R. STAHL Circuit Breaker 8530/1-MCB-STA103-C6-000-3
Article Number: 272175
System Components - Circuit Breaker
The R. STAHL series 8530 circuit breakers offer excellent short-circuit current limitation and high breaking capacities of 10, 15, or 25 kA. This results in reduced stress on electrical lines and high selectivity with respect to upstream fuses. The modules are designed with a modular structure and are available in 1 to 4-pole versions for nominal currents from 0.5–63 A. The maximum mounting capacity is 4.5 division units.
Key Features:
- Isolating function according to EN 60947-2
- Energy limitation class 3
- Simple replacement or expansion of installations thanks to the modular design of the protective switch
- Easy mounting by clipping onto a DIN mounting rail in Ex e enclosures
- Fixed thermal and magnetic trip adjustment
- Ergonomic operating lever ensures safe connection and disconnection
- Protection against re-closing during maintenance using padlocks (Accessories)
Technical Data
Explosion Protection
| Parameter | Value |
|---|---|
| Applications (zones) | 1, 2 |
| Applications (zones) Note | Can be used in zones 21/22 with protection by Ex tb/tc enclosure |
| IECEX gas certification | IECEx FMG 19.0029U |
| IECEx Gas Explosion Protection | Ex db eb IIC Gb |
| ATEX gas certification | FM19ATEX0191U |
| ATEX Gas Explosion Protection | II 2 G Ex db eb IIC Gb |
| Certifications | ATEX (FM), Brazil (ULB), China (CQST), IECEX (FM) |
| Certificate of conformity | Certificate of conformity (ATEX), China (CCC) |
Electrical Data
| Parameter | Value |
|---|---|
| Rated operating voltage AC | 230/400 V |
| Rated operating current | 6 A |
| Frequency | 50/60 Hz |
| Rated switching capacity | 10 kA |
| Electrical service life | 2 x 10⁴ |
| Mechanical service life | 2 x 10⁴ |
| 1st auxiliary function | none |
| Voltage 1st auxiliary function AC | - |
| Max. current 1st auxiliary function | - |
| 2nd auxiliary function | none |
| Max. voltage 2nd aux. CC | - |
| Tripping characteristic | C |
| Number of poles | 3-pole |
Environmental Conditions
| Parameter | Value |
|---|---|
| Ambient temperature | -40 °C ... 70 °C |
| Ambient temperature | -40 °F ... 158 °F |
| Ambient temperature Note | Divergent ambient temperatures based on valid certificates upon request |
Mechanical Data
| Parameter | Value |
|---|---|
| Degree of protection (IP) (IEC 60529) | IP2X |
| Enclosure material | Thermoplastic |
| Connection terminal cross-section min. | 1.5 mm² |
| Connection terminal cross-section max. | 25 mm² |
| Connection terminal AWG min. | 16 AWG |
| Connection terminal AWG max. | 4 AWG |
| Connection terminal 2 cross-section min. | 1.5 mm² |
| Connection terminal 2 cross-section min. | 10 mm² |
| Connection terminal 2 AWG min. | 16 AWG |
| Connection terminal 2 AWG max. | 8 AWG |
| Minimum tightening torque | 2 N·m |
| Maximum tightening torque | 3 N·m |
| Connection terminal Note | 2 connections of terminals (upper and lower chamber simultaneously): lower and upper chamber max. 16 / 10 mm² (only a difference in cross-section between the upper and lower chamber can be connected). Permitted connection cross-section combinations are shown in the user manual. |
| Width | 83 mm |
| Mounting width in inches | 3.27 in |
| Length | 165 mm |
| Length in inches | 6.5 in |
| Installation depth | 138.3 mm |
| Installation depth in inches | 5.44 in |
| Weight | 1.4 kg |
| Weight in lbs | 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 Diagrams
Tripping Characteristic
A graph shows the tripping time in seconds and minutes against the multiple of the rated current (I/In) for AC and CC, with a tripping characteristic C. The graph illustrates the limit curve from the cold state.
Dimensional Drawings
Diagrams show the dimensions of the circuit breaker in millimeters and inches. Key dimensions include width, height, depth, and mounting dimensions.
Accessories
- Cylinder lock
For locking (stirrup Ø 3)
Article No.: 107115 - Quadruple immobilization device
Lockout/tagout pliers for individual component lockout using up to 4 cylinder locks.
Article No.: 227232 - Fixing kit
A fixing kit for mounting the component on the mounting plate without a top-hat rail.
Article No.: 276618
R. STAHL reserves the right to modify technical data, dimensions, weights, constructions, and delivery options.
