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S-ARC1 M B40 Arc Fault Detection Device (AFDD) with MCB – 1P+N – B – 40 A – 10 kA
ABB S-ARC1 M B40 (2CSA275901R9405) arc fault detection device with integrated MCB: 1P+N, B curve, 40 A, 10 kA breaking capacity.
£169.28
Why Choose the ABB S-ARC1 M B40 Arc Fault Detection Device?
The ABB S-ARC1 M B40 is a compact arc fault detection device (AFDD) with integrated miniature circuit breaker (MCB) designed to protect low-voltage electrical circuits against dangerous arc faults, overloads and short circuits. As part of the ABB S-ARC1 M series, it combines advanced arc fault detection with conventional overcurrent protection in a space-saving two-module device for residential, commercial and other building electrical installations.
The S-ARC1 M B40 monitors the electrical circuit for characteristics associated with hazardous series, parallel and earth arc faults and disconnects the affected circuit when a dangerous condition is detected. Its integrated thermal-magnetic MCB also provides overload and short-circuit protection, reducing the number of separate protective devices required within the distribution board.
With a rated current of 40 A, a B tripping characteristic and a 10 kA rated short-circuit breaking capacity, the S-ARC1 M B40 provides robust protection for suitable final circuits. Its 1P+N configuration, compact 35 mm width and standard DIN rail mounting make it straightforward to integrate into modern low-voltage distribution systems.
Key Advantages
- Combines arc fault detection and miniature circuit breaker protection in one device.
- 40 A rated current with B tripping characteristic.
- 10 kA short-circuit breaking capacity for robust circuit protection.
- Provides protection against series, parallel and earth arc faults.
- Integrated thermal-magnetic MCB provides overload and short-circuit protection.
- Compact 1P+N two-module design helps conserve distribution-board space.
- DIN rail mounting provides straightforward integration into electrical distribution systems.
Key Features
- ABB S-ARC1 M series AFDD with integrated MCB.
- 40 A rated current.
- B tripping characteristic.
- 10 kA rated short-circuit breaking capacity.
- 230 V AC rated voltage.
- 1P+N configuration.
- Thermal-magnetic overcurrent tripping mechanism.
- Protection against arc faults, overloads and short circuits.
- Compact two-module design measuring only 35 mm wide.
- Compatible with ABB System pro M compact accessories.
Reliable Arc Fault and Circuit Protection
Arc faults can develop as a result of damaged conductors, deteriorated insulation, loose electrical connections and other installation faults. Because some dangerous arcing conditions may not draw sufficient current to operate conventional overcurrent protection, an AFDD monitors the circuit for electrical characteristics associated with hazardous arcs and disconnects the affected circuit when required.
The ABB S-ARC1 M series combines arc fault detection technology with an integrated miniature circuit breaker. The S-ARC1 M B40 therefore provides protection against series, parallel and earth arc faults as well as overloads and short circuits within a compact two-module enclosure, helping simplify modern electrical distribution-board design.
Typical Applications
- Residential electrical distribution boards.
- Commercial buildings and offices.
- Electrical circuits requiring enhanced protection against arc faults.
- Higher-current final circuits requiring 40 A B-curve protection.
- Circuits supplying fixed electrical equipment.
- Buildings containing valuable or difficult-to-replace assets.
Technical Specifications
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| Device Type | AFDD | |
|---|---|---|
| Poles | 1-pole + N | |
| Current | 40 A | |
| Trip Curve | B curve | |
| Breaking Capacity | 10 kA | |
| Phase | Single Phase | |
| Manufacturer | ABB | |
| Series | S-ARC1 M | |
| Model | S-ARC1 M B40 | |
| Order code | 2CSA275901R9405 | |
| Product type | Arc fault detection device (AFDD) with integrated MCB | |
| Rated current | 40 A | |
| Tripping characteristic | B | |
| Rated voltage | 230 V AC | |
| Number of poles | 1P+N | |
| Rated short-circuit breaking capacity | 10 kA | |
| Tripping mechanism | Thermal magnetic | |
| Mounting type | DIN rail mounting | |
| Terminal type | Screw terminals | |
| Protection rating | IP40 | |
| Width | 2 modules / 35 mm | |
| Dimensions (H × W × D) | 85 × 35 × 69 mm | |
| Weight | approx. 0.18 kg | |
| Ambient operating temperature | -25 to +55 °C |
Frequently Asked Questions
What is the ABB S-ARC1 M B40 used for?
The ABB S-ARC1 M B40 is used to protect low-voltage electrical circuits against arc faults, overloads and short circuits in residential, commercial and other building electrical installations.
What is the current rating of the ABB S-ARC1 M B40?
The device has a rated current of 40 A and uses a B tripping characteristic.
What is the breaking capacity of the S-ARC1 M B40?
The ABB S-ARC1 M B40 has a rated short-circuit breaking capacity of 10 kA.
Does the S-ARC1 M B40 include an MCB?
Yes. The S-ARC1 M B40 combines an arc fault detection device (AFDD) with an integrated miniature circuit breaker (MCB), providing arc fault detection together with overload and short-circuit protection.
How is the ABB S-ARC1 M B40 installed?
The device is designed for DIN rail mounting and occupies two modules, with an overall width of approximately 35 mm.
Trusted Electrical Protection from ABB
ABB S-ARC1 M arc fault detection devices combine advanced arc fault monitoring with proven miniature circuit breaker technology, providing compact protection against arc faults, overloads and short circuits in modern low-voltage electrical installations.
