Schneider Electric PowerLogic PM5350 Installation Guide

This document provides installation instructions for the Schneider Electric PowerLogic PM5350 power meter. For information on basic meter setup, refer to the PM5350 User Guide, available for download from www.se.com. For installation in multi-circuit applications, consult the PM5350 Series Multi-Circuit Installation Guide (part number EAV25860).

For California residents: The following warnings are provided in English, French, and Spanish, as required by California law regarding potential cancer and reproductive harm. Please visit www.P65Warnings.ca.gov for more information.

Safety Precautions

? DANGER: HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

Apply appropriate personal protective equipment (PPE) and follow safe electrical work practices (e.g., NFPA 70E in the USA or applicable local standards).
Only qualified electrical workers should install this equipment. Read all instructions before proceeding.
Never work alone.
Do not exceed the device's maximum ratings.
Do not use this device for critical control or protection applications where human or equipment safety relies on its operation.
Before performing inspections, tests, or maintenance, disconnect all sources of electric power. Assume all circuits are live until de-energized, tested, and tagged. Consider all power sources, including backfeeding.
Turn off all power supplying this device before working on it.
Always use a properly rated voltage sensing device to confirm power is off.
Before closing covers and doors, inspect the work area for tools and objects.
Use caution when removing or installing panels to avoid contact with energized busbars.
Proper handling, installation, and operation are crucial for successful operation and to prevent personal injury or equipment damage.
Never bypass external fusing.
Never short the secondary of a PT or VT.
Never open circuit a CT; use the shorting block to short circuit CT leads before removing connections.
Before performing Dielectric (Hi-Pot) or Megger testing on equipment where the meter is installed, disconnect all input and output wires to the meter. High voltage testing may damage electronic components.
Install the power meter in a suitable electrical enclosure.
Always use grounded external CTs for current inputs.
All external CTs and PTs should have reinforced insulation.
Do not use water or liquid to clean the product; use a dry cloth. Contact technical support if dirt cannot be removed.

Failure to follow these instructions will result in death or serious injury.

Installation

Box Contents

One (1) power meter with retainer clips attached
One (1) set of installation guides
One (1) RS-485 terminator (MCT2W)
One (1) panel gasket
One (1) certificate of calibration
Two (2) screws (spare screws for CTs)

Figure 1: Parts of the PM5350 (rear panel door removed). This diagram shows the physical components on the rear of the meter, labeled A through H: A - Control power, B - Voltage inputs, C - Current inputs, D - Digital inputs, E - Whetting voltage source (for digital inputs), F - RS-485 communications, G - Digital outputs, H - Retainer clips.

Figure 2: PM5350 Dimensions and Mounting. This diagram illustrates the physical dimensions of the PM5350 meter, including mounting hole locations and overall size, with measurements provided in millimeters (mm) and inches (in.). It indicates a maximum mounting depth and the placement of various connection terminals.

Mounting

Remove retainer clips from the power meter and set aside.
Insert the power meter through the panel cut-out (refer to Figure 2). Note: Remove adhesive backing from the panel gasket before inserting the power meter.
Attach the retainer clips to the power meter (refer to Figure 2).

Installation Considerations

Allow for easy access to all parts of the power meter, with extra space for wiring, fuse disconnects, shorting blocks, accessories, or other components.
Route wires to avoid covering the back of the unit or cooling vents.
Install the power meter on a flat surface within a protective enclosure (e.g., a Type 1 rated enclosure or better in the USA).

Wiring

Refer to the label inside the rear panel door for specific wiring connections. Terminal wiring should have a minimum temperature rating of 80 °C (176 °F).

Table 1: Wiring Specifications
Connector	Wire Size	Wire Strip Length	Torque
Control Power¹ and Voltage Inputs¹	14 AWG 1.91 mm²	0.28 in. (7 mm)	4.4-5.3 in-lbf (0.5 - 0.6 N·m)
Current Inputs²	14 AWG 1.91 mm²	--	4.4-5.3 in-lbf (0.5 - 0.6 N·m)
RS-485 Communications, Digital Outputs¹, and Digital Inputs	16 AWG 1.34 mm²	0.24 in. (6 mm)	4.4-5.3 in-lbf (0.5 - 0.6 N·m)

Measurement Category:

Voltage Inputs: UL: 20 to 300 Vac L-L, CAT III; IEC: 20 to 480 Vac L-L; 20 to 277 Vac L-N, CAT III; 20 to 690 Vac L-L; 20 to 400 Vac L-N, CAT II
Control Power: CAT III, up to 265 Vac or 300 Vdc

¹ Wire ferrules recommended. Wire ferrule determines stripping length.

² Current inputs (CTs) must have spade or ring terminal connections.

Supported System Types

Figure 3: Single-Phase Power System Configurations. This section illustrates common single-phase wiring setups: 1-Phase 2-Wire Line-to-Neutral (1PH2W LN), 1-Phase 2-Wire Line-to-Line (1PH2W LL), and 1-Phase 3-Wire Line-to-Line with Neutral (1PH3W LL with N).

Table 2: Single-Phase Wiring
Power System Configuration	Number of Wires	CTs Qty.	Meter Terminal	Voltage Connections Qty.	Meter Terminal	See Figure
1PH2W LN	2	1	I1	2	V1, Vn	5
1PH2W LL	2	1	I1	2	V1, V2	6
1PH3W LL with N	3	2	I1, I2	3	V1, V2, Vn	7

¹ For 1 and 2 CT systems, configure the meter for the phases where the CT is installed. Refer to the PM5350 User Guide for details.

Figure 4: Three-Phase Power System Configurations. This section illustrates various three-phase wiring configurations, including Delta and Wye systems with different grounding methods and neutral connections. Examples include 3PH3W Delta Corner Grounded, 3PH3W Delta Ungrounded, 3PH3W Wye Ungrounded, 3PH3W Wye Resistance Grounded, 3PH4W Open Delta Center-Tapped, 3PH4W Delta Center-Tapped, 3PH4W Wye Grounded, and 3PH4W Wye Resistance Grounded.

Table 3: Three-Phase (Direct Connect)
Power System Configuration	Number of Wires	CTs Qty.	Meter Terminal	Voltage Connections Qty.	Meter Terminal	See Figure
3PH3W Dlt Crnr Gnd	3	2	I1, I3	3	V1, V2, V3	8
3PH3WDlt Ungnd	3	3	I1, I2, I3	3	V1, V2, V3	9
3PH3W Wye Ungnd	3	3	I1, I2, I3	3	V1, V2, V3	18
3PH3W Wye Res Gnd	3	3	I1, I2, I3	3	V1, V2, V3	10
3PH4W Opn Dlt Ctr Tp	4	3	I1, I2, I3	4	V1, V2, V3, Vn	10
3PH4W Dlt Ctr Tp	4	3	I1, I2, I3	4	V1, V2, V3, Vn	10
3PH4W Wye Gnd	4	3	I1, I2, I3	4	V1, V2, V3, Vn	19
3PH4W Wye Res Gnd	4	3	I1, I2, I3	4	V1, V2, V3, Vn	19

Table 4: Three-Phase (with VTs)
Power System Configuration	Number of Wires	CTs Qty.	Meter Terminal	Voltage Connections Qty.	Meter Terminal	See Figure
3PH3W Dlt Crnr Gnd	3	2	I1, I3	2	V1, V3 (V2 to Ground)	11
3PH3WDlt Ungnd	3	3	I1, I2, I3	2	V1, V3 (V2 to Ground)	12
3PH3W Wye Ungnd	3	3	I1, I2, I3	3	V1, V2, V3 (Vn to Ground)	13
3PH3W Wye Res Gnd	3	3	I1, I2, I3	3	V1, V2, V3 (Vn to Ground)	14
3PH4W Opn Dlt Ctr Tp	4	3	I1, I2, I3	2	V1, V3 (Vn to Ground)	15
3PH4W Dlt Ctr Tp	4	3	I1, I2, I3	3	V1, V2, V3 (Vn to Ground)	16
3PH4W Wye Gnd	4	3	I1, I2, I3	3	V1, V2, V3 (Vn to Ground)	17
3PH4W Wye Res Gnd	4	3	I1, I2, I3	3	V1, V2, V3 (Vn to Ground)	17

¹ For 1 and 2 CT systems, configure the meter for the phases where the CT is installed. Refer to the PM5350 User Guide for details.

Overcurrent Protection

Clearly label the device's disconnect circuit mechanism and install it within easy reach of the operator. The disconnect circuit breaker or fusing must be rated for the available short circuit current at the connection points.

Table 5: Fuse Recommendation
Control Power Source	Source Voltage (Vs)	Fuse	Fuse Amperage
CPT	Vs ≤ 125 Vac	FNM or MDL	250 mA
CPT	125 < Vs ≤ 240 Vac	FNQ or FNQ-R	250 mA
CPT	240 < Vs ≤ 265 Vac	FNQ or FNQ-R	250 mA
Line Voltage	Vs ≤ 240 Vac	FNQ-R	250 mA
Line Voltage	Vs > 240 Vac	FNQ-R	250 mA
DC	Vs ≤ 300 Vdc	LP-CC	500 mA

Fuse Selection Criteria:

Select overcurrent protection rated as listed above.
Select current interrupt capacity based on installation category and fault current capability.
Select overcurrent protection with a time delay.
Voltage rating should be based on the input voltage applied.
If a 250 mA fuse is not available with the required fault current capability, use a fuse rated at a maximum of 500 mA.
Fuse protection can be substituted with a molded-case circuit breaker 0.5 A/4P.

Technical Specifications

Table 6: Technical Specification - Electrical Characteristics
AC Control Power	Operating Range	85 to 265 Vac
	Burden	4.1 VA/1.5 W typical, 6.7 VA/2.7 W maximum at 120 Vac; 6.3 VA/2.0 W typical, 8.6 VA/2.9 W maximum at 230 Vac; 11.9 VA/3.5 W maximum at 265 Vac
	Frequency	45 to 65 Hz
	Ride-Through Time	100 mS typical at 120 Vac and maximum burden; 400 mS typical at 230 Vac and maximum burden
DC Control Power	Operating Range	100 to 300 Vdc
	Burden	1.4 W typical, 2.6 W maximum at 125 Vdc; 1.8 W typical, 2.7 W maximum at 250 Vdc; 3.8 W maximum at 300 Vdc
	Ride-Through Time	50 mS typical at 125 Vdc and maximum burden
Unom	Measured Voltage with overrange and Crest Factor	277 V L-N
Input-Voltage		UL: 20 to 300 Vac L-L, CAT III; IEC: 20 to 480 Vac L-L; 20 to 277 Vac L-N, CAT III; 20 to 690 Vac L-L; 20 to 400 Vac L-N, CAT II
	Withstand	700 Vac L-L; 404 Vac L-N
Input-Current	Permanent Overload	Continuous 20 A; 10 sec/hr 50 A; 1 sec/hr 500 A
Impedance		10 MΩ
Frequency Range		45 to 70 Hz
CT Ratings Secondary		1 A, 5 A Nominal
Measured Current with overrange and Crest Factor		5 mA to 9 A
Withstand Impedance		< 0.3 MΩ
Frequency Range		45 to 70 Hz
Burden		< 0.024 VA at 9 A
Rated Impulse Voltage		2.5 KV

Table 6: Technical Specification - Environmental Characteristics
Operating Temperature	Meter	-25 to +70 °C (-13 to +158 °F)
	Display	-20 to +70 °C (-4 to +158 °F) (Display functions to -25 °C (-13 °F) with reduced performance)
Storage Temperature	Meter + Display	-40 to +85 °C (-40 to +185 °F)
Humidity Rating		5 to 95% RH at 50 °C (122 °F) (non-condensing)
Pollution Degree		2
Altitude		≤ 3000 m
	Indoor use only
Compliance	Protective Class	Class II (Double insulation at user-accessible area)

Safety Instructions

Read these instructions carefully and familiarize yourself with the device before installation, operation, service, or maintenance. Pay attention to safety messages indicated by symbols.

⚠️ The addition of the safety alert symbol to a "Danger" or "Warning" label indicates an electrical hazard that will result in personal injury if instructions are not followed.

⚠️ This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death.

? DANGER: Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.

Electrical equipment should be installed, operated, serviced, and maintained only by qualified personnel. Schneider Electric assumes no responsibility for consequences arising from the use of this material. A qualified person has skills and knowledge related to electrical equipment construction, installation, and operation, and has received safety training to recognize and avoid hazards.

Wiring Diagrams

Table 7: Wiring Diagram Symbols. This table defines symbols used in wiring diagrams: Potential or voltage transformer, Current Transformer, Fuse, Voltage disconnect switch, Shorting block.

Figure 5: 1-Phase Line-to-Neutral 2-Wire System 1 CT. Shows connections for a single-phase, two-wire system using one current transformer (CT) and a line-to-neutral voltage connection. It illustrates connections to voltage terminals V1, Vn and current terminals I1 (S1, S2).

Figure 6: 1-Phase Line-to-Line 2-Wire System 1 CT. Depicts a single-phase, two-wire system using one CT and a line-to-line voltage connection. It shows connections to voltage terminals V1, V2 and current terminals I1 (S1, S2).

Figure 7: 1-Phase Direct Voltage Connection 2 CT. Illustrates a single-phase direct voltage connection setup using two CTs.

Figure 8: 3-Phase 3-Wire 2 CT no VT. Shows a three-phase, three-wire Delta system configuration with two CTs and no Voltage Transformers (VTs).

Figure 9: 3-Phase 3-Wire 3 CT no VT. Depicts a three-phase, three-wire Delta system configuration with three CTs and no VTs.

Figure 10: 3-Phase 4-Wire Wye Direct Voltage Input Connection 3 CT. Illustrates a three-phase, four-wire Wye system with three CTs and direct voltage input connections.

Figure 11: 3-Phase 3-Wire Delta Connection 2 CT 2 VT. Shows a three-phase, three-wire Delta system with two CTs and two VTs.

Figure 12: 3-Phase 3-Wire Delta Connection 3CT 2VT. Depicts a three-phase, three-wire Delta system with three CTs and two VTs.

Figure 13: 3-Phase 4-Wire Wye Connection 3 CT 3 VT. Illustrates a three-phase, four-wire Wye system with three CTs and three VTs.

Figure 14: 3-Phase 4-Wire Wye 3CT 2VT (balanced). Shows a balanced three-phase, four-wire Wye system with three CTs and two VTs.

Figure 15: 3-Phase 4-Wire Wye 3 VT 2 CT (for balanced 3-wire loads). Depicts a three-phase, four-wire Wye system for balanced 3-wire loads, utilizing three VTs and two CTs.

Figure 16: 3-Phase 4-Wire Wye 3VT 1 CT (balanced). Illustrates a balanced three-phase, four-wire Wye system with three VTs and one CT.

Figure 17: 3-Phase 3-Wire 1 CT 2 VT (balanced). Shows a balanced three-phase, three-wire system with one CT and two VTs.

Figure 18: 3-Phase 3-Wire Direct Voltage Input Connection 1 CT (balanced). Depicts a balanced three-phase, three-wire system with one CT and direct voltage input.

Figure 19: 3-Phase 4-Wire Direct Voltage Input Connection 1 CT (balanced). Illustrates a balanced three-phase, four-wire system with one CT and direct voltage input.

Figure 20: Direct Connect Control Power (Phase to Phase). Diagram for direct connection of control power using Phase-to-Phase voltage, applicable for systems where voltage is between 85 Vac and 265 Vac.

Figure 21: Direct Connect Control Power (Phase to Neutral). Diagram for direct connection of control power using Phase-to-Neutral voltage, applicable for systems where voltage is between 85 Vac and 265 Vac.

Figure 22: Direct Connect Control Power (DC Control Power). Diagram for connecting DC control power, suitable for voltage ranges between 100 Vdc and 300 Vdc.

Figure 23: Control Power Transformer (CPT) Connection. Illustrates the connection of a Control Power Transformer (CPT) for 120 or 240 Vac secondary voltage, with a maximum capacity of 50 VA.

Input/Output

⚠️ WARNING: UNINTENDED EQUIPMENT OPERATION

Do not use this device for critical control or protection applications where human or equipment safety relies on the control operation.
Do not rely solely on device data to determine if your power system is functioning correctly or meeting all applicable standards and compliances.
Do not use device control for time-critical functions due to potential delays between initiation and application of control action.
Do not use digital inputs for voltage sensing applications over 36 Vdc.

Failure to follow these instructions can result in death, serious injury, or equipment damage.

The PM5350 features four (4) digital inputs and two (2) digital mechanical relay outputs. Digital inputs support Normal and Demand sync modes. Digital outputs support External Control (default), Demand sync, and Alarm modes. When configured for Alarm mode, the digital output can be controlled by the meter in response to an alarm condition.

Figure 24: I/O Connections. This diagram shows the layout of Input/Output terminals: Digital Inputs (DI1-DI4), Relay Outputs (DO1, DO2), RS-485 communication terminals (D0-, D1+), and the Whetting voltage source. It also indicates the rating for relay outputs (30 Vdc, 5A; 250 Vac, 8A Cos Φ = 1; 250 Vac, 6A Cos Φ = 0.4) and notes the requirement for an overcurrent protective device (not supplied).

Communications Capabilities

? DANGER: HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

Do not attempt to service the power meter. CT and PT or VT inputs may contain hazardous currents and voltages.
Only authorized service personnel from the manufacturer should service the power meter.
Shield conductors may be energized if not properly connected.
Shield wire should be installed per the device's installation instructions and grounded at one end only.

Failure to follow these instructions will result in death or serious injury.

Table 8: RS-485 Communications Distances
Baud Rate	Maximum Communication Distances (1 to 32 Devices)
	Feet	Meters
9600	8,000	2,438
19200	6,000	1,829
38400	2,500	762

Note: Distances listed are guides and may vary for non-PowerLogic™ devices. Refer to master device documentation for limitations.

Daisy-chaining Devices to the Power Meter

The RS-485 slave port allows the power meter to be connected in a daisy chain with up to 31, 2-wire devices. A communications link refers to a chain of devices connected by a communications cable.

Figure 25: Daisy-chaining 2-wire Devices. This diagram illustrates the process of daisy-chaining 2-wire RS-485 devices. It shows the connection sequence and highlights the use of a Belden 9841 or equivalent MCT2W-RS485 terminator (100 ohm, 1/4 Watt, 1% resistor) on the last device of the daisy chain. The diagram also shows the RS-485 terminals (D0-, D1+) and the connection to the power meter or other compatible devices.

If the power meter is the last device on the daisy chain, terminate it with the provided terminator. Refer to Table 8 for maximum daisy-chain communications distances for 2-wire devices. The terminal's voltage and current ratings comply with EIA RS-485 standards.

Operating the Display

The power meter features a large, back-lit LCD display that shows up to six lines of information plus a seventh row for menu options.

Figure 26: Parts of PM5350 Display. This diagram labels the components of the PM5350 display: A - Icon 1 (Wrench Icon for Maintenance or Heartbeat Icon), B - Screen Title, C - Icon 2 (Alarm Icon), D - Menu Area, E - Energy/Alarm LED (orange), F - Heartbeat/Communication LED (green), G - Button 4, H - Button 3, I - Button 2, J - Button 1, K - Data Area, L - Cursor.

How the Buttons Work

Table 9: Button Symbols and Functions
Button Symbol	Navigation	Edit	Select	OK	Yes	No	Ack	Reset
>	Return to previous screen. For setup screens: If changes are made, a confirmation screen is displayed. If editing a value, exits edit mode and restores the previous value.
>	Move cursor down.
>	Move cursor up.
>	Move the cursor one character to the left.
>	Move cursor one character to the right.
+		Increment active character; toggle list selection On.
-		Decrement active character; toggle list selection Off.
Edit		Select parameter or item to edit.
Select			Select/deselect item for association.
OK				Enter change to a parameter.
Yes					Accept.
No						Reject.
Ack							Acknowledge alarms.
Reset								Reset selected item.

China ROHS Certificate

The "Administrative Measures for the Restriction of Hazardous Substances in Electric Appliance and Electronic Products" requires this document to be shipped with all PM5350 products to the People's Republic of China. Purchasers in other countries may disregard.

Product: PowerLogic™ PM5350 (METSEPM5350)

Hazardous Substances / Part Name
Part Name	Hazardous Substances
Part Name	Lead (Pb)	Mercury (Hg)	Cadmium (Cd)	Hexavalent Chromium (Cr(VI))	Polybrominated Biphenyls (PBB)	Polybrominated Diphenyl Ethers (PBDE)
Metal parts	O	O	O	O	O	O
Plastic parts	O	O	O	O	O	O
PCBA	O	O	O	O	O	O

This table is made according to SJ/T 11364. O: indicates that the concentration of hazardous substance in all of the homogeneous materials for this part is below the limit as stipulated in GB/T 26572. X: indicates that concentration of hazardous substance in at least one of the homogeneous materials used for this part is above the limit as stipulated in GB/T 26572.

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