R. STAHL Circuit Breaker 8530/1-MCB-STA103-C25-000-3
Article No. 272180
Product Description
The R. STAHL 8530 series circuit breakers are designed for system technology applications. They offer good current limitation in case of short circuits and high breaking capacities of 10, 15, or 25 kA, reducing electrical line load and providing high selectivity with upstream fuses. These modules feature a modular design, 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 include:
- Function as a isolator according to EN 60947-2
- Energy limitation class 3
- Simple replacement or expansion of installations due to modular design
- Easy mounting via DIN rail snap-in in Ex e enclosures
- Fixed thermal and magnetic tripping adjustment
- Ergonomic operating lever for safe connection and disconnection
- Protection against re-closing during maintenance using padlocks (Accessories)
Technical Data
Explosion Protection
| 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
| Rated operating voltage AC | 230/400 V |
|---|---|
| Rated operating current | 25 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 auxiliary function DC | - |
| Tripping characteristic | C |
| Number of poles | 3-pole |
Environmental Conditions
| 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
| 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 max. | 10 mm² |
| Connection terminal 2 AWG min. | 16 AWG |
| Connection terminal 2 AWG max. | 8 AWG |
| Tightening torque min. | 2 N·m |
| Tightening torque max. | 3 N·m |
| Connection terminal Note | 2 conductor connections (upper and lower chamber simultaneously): lower and upper chamber max. 16 / 10 mm² (only a maximum difference of cross-section between the upper and lower chamber can be connected). Permitted connection cross-section combinations are listed in the user instructions. |
| Width | 83 mm (3.27 in) |
| Length | 165 mm (6.5 in) |
| Mounting depth | 138.3 mm (5.44 in) |
| Weight | 1.4 kg (3.087 lb) |
| Mounting / Installation Tightening torque | 2-3 N·m (17.7 ... 26.6 lbf-in) |
| Tightening torque auxiliary contact | 0.4–0.6 Nm (3.5 ... 5.3 lbf in) |
Technical Diagrams
Tripping characteristic curve for the circuit breaker (Type C) for AC and DC, showing the relationship between the multiple of the rated current (I/In) and the tripping time in seconds and minutes.
The diagram displays different tripping curves based on current multiples, illustrating the device's response to overcurrents.
Dimensional drawing of the R. STAHL 8530/1 circuit breaker, showing overall dimensions in millimeters and inches. It indicates the width, height, and depth, as well as mounting details.
Diagrams show the unit as 3 division units and provide detailed measurements for installation.
Accessories
| Accessory | Description | Article No. |
|---|---|---|
| Cylinder lock | For locking (stirrup Ø 3) | 107115 |
| Quadruple immobilization device | Locking/tagging pliers for individual component locking using up to 4 cylinder locks. | 227232 |
| Fixing kit | A fixing kit for mounting the component on the mounting plate without a top-hat rail. | 276618 |
