Legrand Modular Devices and Distribution Boards 2025

Products that meet your requirements

2025

Complete assortment available in the catalog: Protection and electrical energy distribution.

WORLD SPECIALIST FOR ELECTRICAL INSTALLATIONS AND DATA DISTRIBUTION

Contents

Modular Devices

• Modular circuit breakers and residual current devices RX3 6 kA - page 1
• Modular circuit breakers and residual current devices TX3 6/10 kA - page 2
• Residual current devices with overcurrent protection - page 4
• Modular switches and accessories - page 5
• Surge protective devices - page 9
• Other modular devices - page 10
• Fuse disconnectors - page 15
• Power circuit breakers up to 160 A and 250 A - page 16

Distribution Boards

• Distribution boards - page 19

Products for Photovoltaics

• PLEXO Distribution Boards - page 25
• DC Devices - page 25

Modular Circuit Breakers

RX3 6000 Modular Circuit Breakers (6 A to 63 A - Characteristics B and C)

Compliant with ČSN EN 60898-1 and ČSN EN 60947-2. Breaking capacity 6000 according to ČSN EN 60898-1-230/400 V~. Lever can be sealed in the engaged or disengaged state. No possibility to connect control and signaling accessories or additional residual current device blocks. Can be connected with fork and pin busbars.

RX3 Residual Current Devices (25 A to 63 A - Type AC or A)

Compliant with ČSN EN 61008-1. Conditional breaking capacity 10000 according to ČSN EN 61008-1. Suitable for ambient temperatures from -25 °C to +60 °C. Lever can be sealed in the engaged or disengaged state. No possibility to connect control and signaling accessories or additional residual current device blocks. Can be connected with fork and pin busbars.

DX3 STOP ARC Arc Fault Protection Devices (AFDD)

Detects arc faults. Compliant with ČSN EN 62606 and ČSN EN 60898-1. Short-circuit breaking capacity 6 kA according to ČSN EN 60898-1-230/240 V AC. Can be equipped with accessories. Compatible with pin busbars.

TX3 6000 Modular Circuit Breakers (0.5 A to 63 A - Characteristics B and C)

Compliant with ČSN EN 60898-1 and ČSN EN 60947-2. Breaking capacity 6000 according to ČSN EN 60898-1 - 230/400 V~. Lever can be sealed in the engaged or disengaged state. Can be equipped with accessories (auxiliary and signaling contacts, undervoltage and tripping releases, motor drives - page 6). Can be connected with fork and pin busbars. Clip allows independent detachment from the DIN rail even when connected with a fork busbar.

TX3 10000 Modular Circuit Breakers (0.5 A to 125 A - Characteristics B and C)

Compliant with ČSN EN 60898-1 and ČSN 60947-2. Breaking capacity 10000 according to ČSN EN 60898-1-230/400 V~. Lever can be sealed in the engaged or disengaged state. Can be equipped with accessories (auxiliary and signaling contacts, undervoltage and tripping releases, motor drives - page 6). Can be connected with fork and pin busbars. Clip allows independent detachment from the DIN rail even when connected with a fork busbar.

TX3 Residual Current Devices (16 A to 100 A - Type AC, AC-G, AC-S, A, A-S, F and B)

Compliant with ČSN EN 61008-1, ČSN EN 62423. Conditional breaking capacity 10000 according to ČSN EN 61008-1. Suitable for ambient temperatures from -25 °C to +60 °C, Type B up to +40 °C. Lever can be sealed in the engaged or disengaged state. Can be equipped with accessories (auxiliary and signaling contacts, undervoltage and tripping releases, motor drives - page 6). Can be connected with fork and pin busbars. Clip allows independent detachment from the DIN rail even when connected with a fork busbar.

DX3 6000/10 kA Residual Current Devices with Overcurrent Protection (6 A to 63 A - Type AC, A, and F)

Compliant with ČSN EN 61009-1, ČSN 60947-2 and ČSN EN 62423. Breaking capacity 6000 according to ČSN EN 61009-1 for domestic installations and 10 kA according to ČSN EN 60947-2 for other general use. Suitable for ambient temperatures from -25 °C to +60 °C, Type AC up to +70 °C. Lever can be sealed in the engaged or disengaged state. Residual current device operation is indicated by a yellow indicator. Can be equipped with accessories (auxiliary and signaling contacts, undervoltage and tripping releases, motor drives - page 6). Can be connected with fork and pin busbars. Clip allows independent detachment from the DIN rail even when connected with a fork busbar.

DX3 10000 / 16 kA Residual Current Devices with Overcurrent Protection (6 A to 40 A - Type AC, A, and F)

Compliant with ČSN EN 61009-1, ČSN 60947-2 and ČSN EN 62423. Breaking capacity 10000 according to ČSN EN 61009-1 for domestic installations and 16 kA according to ČSN EN 60947-2 for other general use. Suitable for ambient temperatures from -25 °C to +60 °C, Type AC up to +70 °C. Lever can be sealed in the engaged or disengaged state. Residual current device operation is indicated by a yellow indicator. Can be equipped with accessories (auxiliary and signaling contacts, undervoltage and tripping releases, motor drives - page 6). Can be connected with fork and pin busbars. Clip allows independent detachment from the DIN rail even when connected with a fork busbar.

DX3-IS Switches (16 A to 125 A)

Compliant with ČSN EN 60947-3, utilization category AC-22A. Gray lever, can be sealed in the engaged or disengaged state. Can be equipped with 1 simple or double auxiliary contact. Switches with poles of 1 module width up to In = 63 A can be connected with pin and fork busbars and are equipped with a clip allowing independent detachment from the DIN rail even when connected with a fork busbar. Marked switches can only be connected with pin busbars. Switches with poles of 0.5 module width up to In = 32 A have terminals alternately at two levels for connection with pin busbars.

Switches with Remote Tripping Capability

Compliant with ČSN EN 60947-3, utilization category AC-23A (AC-22A for In = 125A). Double contact separation and visual indication of contact position. Red lever, can be sealed in the engaged or disengaged state. Can be equipped with accessories (auxiliary and signaling contacts, undervoltage and tripping releases, and motor drives). Switches up to 63 A can be connected with fork and pin busbars. Switches from 100 A to 125 A can be equipped with additional residual current device blocks, have integrated retractable isolating partitions on each pole, and separate automatic terminals for connecting auxiliary circuits.

Accessories for Signaling and Control

Contact Blocks

For mounting on the left side of devices without tools. Maximum 3 accessory blocks, including: max. 2 contact blocks, max. 1 release block, max. 1 motor drive. For devices with 1.5 module width/pole, only one contact block can be used with the release. White/red indicator visually indicates contact status or release status (depending on accessory function, except for obj. no. 4 062 56). Allows passage of busbars underneath. Signaling functions are equipped with a test button.

• Auxiliary Contact: For signaling contact status. For circuit breakers, residual current devices, residual current devices with overcurrent protection, and switches with remote control.
• Signaling Contact: Indicates device status due to its own release or connected accessory. For circuit breakers, residual current devices, residual current devices with overcurrent protection, and switches with remote control.
• Auxiliary and/or Signaling Contact: Allows selection between both functions or auxiliary + auxiliary contact. For circuit breakers, residual current devices, residual current devices with overcurrent protection, and switches with remote control.

Remote Tripping Accessories

For mounting on the left side of devices without tools. Maximum 1 release per device. For circuit breakers, residual current devices, residual current devices with overcurrent protection, and switches with remote control. The release is installed as the last accessory. Any auxiliary or signaling contacts are connected between the release and the controlled device. Exactly one contact block must be installed between any motor drive and the release. Cannot be combined with motor drives with automatic re-engagement function. Device equipment with connected release is signaled by a red indicator. Allows passage of pin busbars from above.

• Tripping Release: Remote tripping via button with NO contact.
• Undervoltage Release: Remote tripping in case of voltage drop or via button with NC contact. Adjustable delay: 0 – 300 ms.
• Overvoltage Release: Protects the circuit by tripping the associated device in case of voltage between phase and neutral exceeding 275 V~ (e.g., in case of neutral conductor failure).
• Automatic Tripping Release for buttons with NC contact: For remote tripping of the associated device. Tripping via button with NC contact. Does not trip on power failure (only on button press). Supplied with a backup battery with 60 hours of operation (for tripping in the absence of supply voltage). If used with another contact block, it must be installed first.

Motor Drives

Motor Drives for TX³ and DX3-IS Devices

For remote tripping/engagement of the controlled device. Mounting on the left side of circuit breakers, residual current devices, residual current devices with overcurrent protection DX³ and TX³, and switches DX3-IS with remote control capability. Auxiliary and signaling accessories (page 6) can be fitted together with the motor drive. Maximum 2 contact blocks or 1 contact block and 1 release can be fitted for devices with 1.5 module width/pole. Motor drives with automatic re-engagement function cannot be combined with control releases. The motor drive is installed as the first accessory to the device. Possibility of locking in the off position with a padlock up to Ø 4 mm.

• ON/OFF Function - for devices 1 module/pole (In up to 63 A)
• ON/OFF Function - for devices 1.5 module/pole (In up to 125 A)
• ON/OFF Function + Automatic Re-engagement - for devices 1 module/pole (In up to 63 A): Automatically re-engages the associated device, ensuring operational continuity. Delay can be set (0 s, 5 s, 15 s, 1 min, 60 min) after which automatic re-engagement occurs, as well as the number of attempts (1-5x). LED indicates status, or integrated contact. Can be locked in the off position with a padlock up to Ø 4 mm.

Motor Drives STOP&GO with Autotest

Automatically re-engages the associated device, ensuring operational continuity. For 1P+N or 2P circuit breakers, residual current devices, residual current devices with overcurrent protection with 1 module/pole width (In up to 63 A). In case of transient fault, it checks if the fault persists before re-engagement. If the fault is not cleared, the device signals this via LED or integrated contact. If the fault is cleared, the device automatically re-engages. Can be fitted with auxiliary contacts (page 6). Cannot be combined with releases when using automatic re-engagement function. Motor drive is installed as the first accessory to the device. Can be locked in the off position with a padlock up to Ø 4 mm.

Other Accessories

Mechanical Interlocking for Manual Power Source Switching

Only for DX3-IS switches. Mechanical interlocking modules for manual switching of power sources, e.g., mains and backup power supply in case of power failure. Ensures mutual mechanical interlocking of these two sources. Cannot be controlled remotely.

• For 2P devices with 1 module/pole width
• For 3P devices with 1 module/pole width
• For 4P devices with 1 module/pole width

Rotary Control

Allows manual operation of devices without opening the distribution board. For levers of all devices 2 modules wide and wider from the RX³, TX³, and DX3-IS series. Supplied with a lockable handle, connecting rod, base, drilling template, and connection material.

• Black handle with gray base
• Red handle with yellow base (for emergency operation)

Safety Accessories

• Connection Plombing: Device for plombing terminal screws of all TX³ and DX3-IS devices.
• Plombable Terminal Covers: Covers with plombing possibility for TX3 and DX3-IS devices.
• Locking: For locking the lever of all RX³, TX³, and DX3-IS devices (circuit breakers, residual current devices, residual current devices with overcurrent protection, switches, and changeover switches) in the off position.
• Locking Bracket: For locking the lever of all RX³, TX³, and DX3-IS devices in the off position with a padlock.
• Plombable Cover Sets: Sets of 2 for supply and output terminals.
• Locking Bracket for Padlock Ø 4-6 mm
• Plombable Terminal Cover (4 separable poles)
• Insulating Partition: For mutual insulation of phase conductors (6 pcs).

Connection Accessories

Pin Busbars

Universal pin busbar with double-sided marking. For 1-pole devices RX³ and TX³. Marking side with black marking for phase conductor, side with blue marking for neutral conductor. For 1-pole devices RX³ and TX³.

• 1-pole or N
• 1-pole for devices with accessories
• 2-pole
• 3-pole
• 3-pole for devices with accessories
• 1-pole with 3-phase power supply from residual current device
• 1-pole + N with 3-phase power supply
• 4-pole

Fork Busbars

For phase conductor distribution for 1-pole devices RX³ and TX³. For distribution of phase and neutral conductors for 1P+N devices in two modules, or 2 phases for 2-pole devices. For distribution of 3 phases for 3-pole devices RX³ and TX³. For distribution of 3 phases and neutral conductor for 3P+N or 4-pole devices RX³ and TX³.

• 1-pole
• 1-pole for devices with accessories
• 2-pole
• 3-pole
• 3-pole for devices with accessories
• 1-pole with 3-phase power supply from residual current device
• 1-pole + N with 3-phase power supply
• 4-pole

Protective Insulation

• Insulation of Unused Parts: Insulation of unused teeth of busbars for 12 modules. Can be cut to size.
• Insulation of Busbar Ends: For 1-pole fork busbars, 1-pole pin busbars, 2-pole busbars (fork and pin), 3-pole fork busbars and 1-pole fork busbars with 3-phase power supply from residual current device, 3-pole pin busbars, 4-pole busbars or 1-pole + N busbars with 3-phase power supply (fork and pin).

Surge Protective Devices

Surge Protective Devices Type 1+2 (B+C)

Compliant with ČSN EN 61643-11. Surge protective devices for 230/400 V~ (50/60 Hz) electrical networks. Recommended for main distribution boards. Type 1+2 (B+C) surge protective devices meet the tests for both classes.

• Combined Surge Protective Devices Type 1+2 (B+C): High surge capacity: limp = 35 kA / pole. Surge protective device with replaceable module and status indicator. Green - device functional. Red - module needs replacement. Surge capacity: limp = 25 kA / pole. Surge protective device with replaceable module and status indicator. Green - device functional. Red - module needs replacement. High surge capacity: limp = 12.5 kA / pole. Surge protective device with replaceable module and status indicator. Green - device functional. Red - module needs replacement.
• Combined Surge Protective Devices Type 1+2 (B+C): Increased surge capacity: limp = 12.5 kA / pole.
• Standard Surge Capacity: limp = 8 kA / pole

Surge Protective Devices Type 2 (C)

Compliant with ČSN EN 61643-11. Surge protective devices for 230/400 V~ electrical networks. Recommended for sub-distribution boards and domestic distribution boards.

• Type 2 (C) Surge Protective Devices: Surge protective device with replaceable module and status indicator. Green - device functional. Red - module needs replacement. Increased surge capacity: Imax = 40 kA / pole.

Pulse Relays

Pulse Relays (16 A - 1-pole to 4-pole)

Compliant with ČSN EN 60669-2-2. Allows passage of pin busbars from above.

• Standard Pulse Relays: Maximum 2 accessory elements (contacts, central control module, compensation) can be added. 1-pole 16 A - 250 V~.
• Pulse Relays with Quiet Operation: No accessory can be added. 1-pole 16 A - 250 V~.
• Pulse Relays with Quiet Operation and Delay (0 to 60 min): No accessory can be added. 1-pole 16 A - 250 V~.

Installation Contactors

Installation Contactors (16 A to 63 A - 1-pole to 4-pole)

Compliant with ČSN EN 61095. Lever allows switching of power contacts without the presence of control voltage. Devices up to 25 A allow passage of pin busbars from above.

• Contactors with 230 V~ Control Coil
• Contactors with Quiet Operation and 230 V~ Control Coil

Accessories

Accessories for Pulse Relays and Installation Contactors

• Auxiliary Contacts: For monitoring relay contacts. Mounted on the left side of the relay or control accessory.
• Central Control: Allows control of one or more relays. Mounted on the left side.
• Central Control Module: For controlling relays with 24 V~ and 48 V~ or 230 V~.
• Main Central Control Module: Allows control of multiple relay groups with the 230 V~ central control module. Allows passage of pin busbars from above.
• Compensator: For use when operating with illuminated buttons. Connect in parallel to the relay coil terminals. 1 compensator for 6 to 11 illuminated buttons (current flowing through indicators 3 to 6 mA). Allows passage of pin busbars from above.

Accessories for Contactors

• Auxiliary Contacts: For monitoring contactor contacts. Mounted on the left side of the contactor.
• Quiet Operation Contactors: Lever is located under the cover, does not allow passage of busbars.

Time Switches

Time Relays

For controlling electrical appliances and systems – lighting, ventilation, automation, signaling. Adjustable time: from 0.1 s to 100 h. Control voltage: 12 to 230 V AC, 50/60 Hz and 12 to 230 V DC. Changeover contact: 8 A, 250 V~, cosq=1.

• Delayed Activation: Allows delayed activation of the load (alarm, lighting).
• Delayed Deactivation: Allows delayed deactivation of the load (ventilation).
• Intermittent Switching - Cycler: Allows intermittent switching of the load with adjustable off-time and on-time (lighting, warning signals).
• Timer: Allows setting the load to be switched on for a specific time.
• Premature Shutdown: Allows setting the load to be switched on for a specific time. The contact opens after the time cycle (T). Opening also occurs if the control voltage is interrupted before the set cycle length. Re-operation is possible only after interrupting the control voltage.

Analog Time Switches with Daily or Weekly Program

Segment setting by pulling out segments. DIN rail mounting. Supply voltage: 230 V~ - 50/60 Hz. Floating output contacts - max. 16 A at 250 V~ cosq=1. Manual switching possible via the switch on the device.

• Microrex
• Daily Program, Vertical Dial
• Daily Program, Circular Dial
• Weekly Program
• Microrex Plug & Play

Digital Time Switches with Daily or Weekly Program

Switching based on set programs. Automatic transition to winter/summer time. Battery backup for operation including switching. Floating output contacts - max. 16 A at 250 V~, cosq=1.

• Standard Time Switches
• Multifunction Time Switches with High Precision

Twilight and Astronomical Switches

Twilight and Astronomical Switches (with annual program)

For controlling lighting circuits depending on light conditions (twilight, sunrise) or set time programs with high precision. Automatic transition to winter/summer time. Battery backup for operation including switching. Floating output contacts - max. 16 A at 250 V~, cosq=1.

• Light-Sensitive Twilight and Time Switches: Supplied with an external wall-mounted light intensity sensor, IP 65 - IK 07 protection.
• Astronomical Twilight and Time Switches: Switching on and off times are calculated based on sunrise and sunset according to date and geographical latitude and longitude. Calculated switching on/off times can be shifted by ±60 min as needed, or set to specific times, like a classic time switch. Astronomical function, daily and weekly or annual programs, program exceptions, cycler, presence simulation, operating hour counting function can be combined. Annual program switches have the option to set exceptions for movable holidays and the possibility of manual continuous switching on or off of each channel in the settings. 5-year backup, ±0.1 s/day accuracy. Synchronization with mains frequency 50/60 Hz for optimal accuracy. Minimum switching time 1 second. Program transfer possible via key obj. no. 4 128 72, or setting on PC with SW obj. no. 4 128 73.

Plexo³ for Photovoltaics (IP65 - IK09)

Distribution boards for surface mounting.

• Plexo³ Surface-Mounted Distribution Boards IP65 for Photovoltaic Applications: Supplied with a label for marking according to ČSN EN 61439-3. Supplied with N and PE terminals (except obj. no. 0 019 02) and a removable frame with DIN rails. Possibility of adding more terminals. Distribution boards for 12 or more modules are supplied with blanks for unused modules. Reversible doors with locking possibility.
• Plexo³ Flush-Mounted Distribution Boards IP65 for Photovoltaic Applications: Supplied with a label for marking according to ČSN EN 61439-3. Supplied with N and PE terminals and a removable frame with DIN rails. Possibility of adding more terminals. Distribution boards for 12 or more modules are supplied with blanks for unused modules. Reversible doors with locking possibility.

DC Devices for Photovoltaics

Surge protective devices, fuse holders, circuit breakers.

• Type 2 (C) Surge Protective Devices for Photovoltaic Applications: DC side protection for photovoltaic systems connected to a low-voltage network. Compliant with UTE C 61-740-51 and UTE C 15-712-1. Common and differential protection. Integrated auxiliary contacts. Surge protective device - Imax 40 kA. Replaceable modules.
• Fuse Holders for Photovoltaic Applications: DC 20B utilization category in accordance with ČSN EN 60947-3. Breaking capacity 50 kA according to ČSN EN 60269-1. 1000 V DC cylindrical fuses for photovoltaic applications. Protection on the DC side of photovoltaic systems. Breaking capacity 50 kA. Compliant with ČSN EN 60269-6.
• Circuit Breakers for Photovoltaic Applications: DIN rail mounting according to ČSN EN 60715. Breaking capacity 4.5 kA according to ČSN EN 60947-2. Use distance element 4 063 07 when installing side-by-side. Accessories common to DX3 series circuit breakers.

XL3 S 160 - 24 Modules in a Row

Large Capacity Modular Metal Distribution Boards

Compliant with ČSN EN 61439-2 and -3. IP40 with doors, IP30 without doors. Color RAL 9003. Capacity 24 modules per row. Can be fitted with DPX3 160 power circuit breakers. Supplied with DIN rails (150 mm spacing) and front covers, pre-formed openings for cable glands. Doors ordered separately (page 24).

• Surface Mounting - 24 Modules in a Row
• Flush Mounting - 24 Modules in a Row

XL3 S 160 - 36 Modules in a Row

Large Capacity Modular Metal Distribution Boards

Compliant with ČSN EN 61439-2 and -3. IP40 with doors, IP30 without doors. Color RAL 9003. Capacity 36 modules per row. Can be fitted with DPX3 160 power circuit breakers. Supplied with DIN rails (150 mm spacing) and front covers, pre-formed openings for cable glands. Doors ordered separately (page 24).

• Surface Mounting - 36 Modules in a Row
• Flush Mounting - 36 Modules in a Row

XL3 S 160 Doors and Accessories

• Metal Doors: Supplied with handle obj. no. 3 397 10. For 24-module distribution boards in a row. For 36-module distribution boards in a row.
• Glazed Doors: For 24-module distribution boards in a row. For 36-module distribution boards in a row.
• Self-Adhesive Document Holder: Open - RAL 7035. Closed - RAL 7035. Transparent.
• Distance Strip: For mounting modular devices with DPX3 160/250 on a common DIN rail.
• White RAL 9003 Blanks
• Self-Adhesive Label Holders
• Connection of Protective Conductors: Additional brass terminal block for protective conductors, mounted on supplied brackets.
• Handles for Doors: Replacement handle for XL³ S 160 doors. Handle with lock insert Type 405. Supplied with 2 keys.
• Connection Kit: For vertical connection of two XL³ S 160 surface-mounted distribution boards.
• Wall Mounting Brackets: Set of 4 hanging eyes.
• Flush Mounting Kit: XL³ S 160 mounting kit for flush mounting of distribution boards in dry walls.
• Brackets for Perforated Cable Trays

Contact Information

Legrand s.r.o.

Meteor Centre Office Park

Sokolovská 100/94

186 00 Praha 8

Tel.: 246 007 668

E-mail: kancelar@legrandcs.cz

www.legrand.cz