R. STAHL LS Miniature Circuit Breaker 8530/1-MCB-STA103-B40-000-3
Article No.: 272167
Product Overview
The R. STAHL 8530/1-MCB-STA103-B40-000-3 is an LS miniature circuit breaker designed for system technology applications. It offers good current limitation for short circuits and a high breaking capacity of 10, 15, or 25 kA, resulting in reduced stress on cables and high selectivity with upstream fuses. The modular design allows for 1- to 4-pole versions and nominal currents from 0.5 to 63 A. The maximum installation capacity is 4.5 modules (TE).
Key features include:
- Trennerfunktion according to EN 60947-2
- Energy limitation class 3
- Easy replacement or expansion of installations due to modular design
- Simple mounting by snapping onto top-hat rails in Ex e enclosures
- Fixed thermal and magnetic trip units
- Ergonomically shaped operating lever for secure switching
- Protection against re-switching during maintenance using padlocks (accessory)
Technical Data
Explosion Protection
| Parameter | Value |
|---|---|
| Explosive Atmosphere (Zones) | 1, 2 |
| Explosive Atmosphere (Zones) - Note | Usable in Zone 21 / 22 with protection by enclosure Ex tb / tc |
| IECEx Certificate Gas | IECEx FMG 19.0029U |
| IECEx Gas Explosion Protection | Ex db eb IIC Gb |
| ATEX Certificate Gas | FM19ATEX0191U |
| ATEX Gas Explosion Protection | II 2 G Ex db eb IIC Gb |
| Certifications | ATEX (FM), Brazil (ULB), IECEx (FM), People's Republic of China (CQST) |
| Declarations of Conformity | Declarations of Conformity (ATEX), People's Republic of China (CCC) |
Electrical Data
| Parameter | Value |
|---|---|
| Rated Operating Voltage AC | 230/400 V |
| Rated Operating Current | 40 A |
| Frequency | 50/60 Hz |
| Rated Breaking Capacity | 10 kA |
| Electrical Endurance | 104 |
| Mechanical Endurance | 2 x 104 |
| 1. Auxiliary Function | None |
| Rated Voltage 1. Auxiliary Function AC | None |
| Max. Rated Current 1. Auxiliary Function | None |
| 2. Auxiliary Function | None |
| Max. Voltage 2. Auxiliary Function DC | None |
| Trip Characteristic | B |
| Number of Poles | 3-pole |
Environmental Conditions
| Parameter | Value |
|---|---|
| Ambient Temperature | -40 °C ... 70 °C (-40 °F ... 158 °F) |
| Ambient Temperature Note | Deviating ambient temperatures are available upon request based on current certificates. |
Mechanical Data
| Parameter | Value |
|---|---|
| Degree of Protection (IP) (IEC 60529) | IP2X |
| Housing Material | Thermoplast |
| Conductor Cross-Section Min. | 1.5 mm² |
| Conductor Cross-Section Max. | 25 mm² |
| Conductor Cross-Section AWG Min. | 16 AWG |
| Conductor Cross-Section AWG Max. | 4 AWG |
| Conductor Cross-Section 2 Min. | 1.5 mm² |
| Conductor Cross-Section 2 Max. | 10 mm² |
| Conductor Cross-Section 2 AWG Min. | 16 AWG |
| Conductor Cross-Section 2 AWG Max. | 8 AWG |
| Tightening Torque Min. | 2 N·m |
| Tightening Torque Max. | 3 N·m |
| Conductor Cross-Section Note | 2-conductor connection (upper and lower chamber simultaneously): Max. 16 / 10 mm² for upper and lower chambers. A cross-section difference between the upper and lower chambers is permitted. The permissible combinations of conductor cross-sections can be found in the operating manual. |
| Width | 83 mm (3.27 in) |
| Length | 165 mm (6.5 in) |
| Installation Depth | 138.3 mm (5.44 in) |
| Weight | 1.4 kg (3.087 lb) |
Mounting / Installation
| Parameter | Value |
|---|---|
| Tightening Torque | 2–3 N·m |
| Tightening Torque lbf·in | 17.7 ... 26.6 lbf·in |
| Tightening Torque Auxiliary Contact | 0.4–0.6 N·m |
| Tightening Torque Auxiliary Contact lbf·in | 3.5 ... 5.3 lbf·in |
Technical Drawings and Diagrams
Trip Characteristic B: The document includes a graph illustrating the trip characteristic 'B' for the circuit breaker, showing the relationship between the multiple of the rated current (I/In) and the tripping time in seconds for both AC and DC. It indicates the limit curve from a cold state.
Dimensional Drawings: Detailed drawings show the dimensions of the circuit breaker in millimeters and inches. These include:
- Overall dimensions of the unit (83 mm width, 165 mm length, 138.3 mm installation depth).
- Details of the connection terminals.
- A 3-pole configuration without auxiliary contacts.
- A 3-pole configuration with auxiliary contacts.
Accessories
| Accessory | Description | Article No. |
|---|---|---|
[Lock symbol] Padlock attachment, fourfold | A padlock/tag-out device for individually locking the component, usable with up to 4 cylinder locks. | 227232 |
[Mounting bracket] Mounting set | A mounting set for attaching the component to the mounting plate without a top-hat rail. | 276618 |
[Cylinder lock] Cylinder lock | For locking (shackle Ø 3) | 107115 |
Note: Technical data, dimensions, weights, constructions, and delivery options are subject to change. Illustrations are non-binding.
Manufacturer: R. STAHL Schaltgeräte GmbH, Am Bahnhof 30, 74638 WALDENBURG, Germany
Contact: Tel. +49 7942 943 1700 | +49 7942 943 1777 | Email: sales.de@r-stahl.com | Website: r-stahl.com
