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ABB 2CSS255101R0405
Miniature Circuit Breaker 1+NP B 40 A
Product Description
The Miniature Circuit Breaker 1+NP B 40 A is a compact device with a single pole plus neutral configuration, suitable for circuit protection. It operates at a rated voltage of 230 V AC and features a tripping characteristic of type B. This breaker is compliant with IEC/EN 60898-1 standards, ensuring reliable performance for various applications.
With dimensions of 18 mm in width and 85 mm in height, it can be mounted in any position. The device has a rated short-circuit capacity of 6 kA and an ultimate short-circuit breaking capacity of 10 kA, providing effective protection against electrical faults. Its dielectric test voltage is rated at 2 kV, contributing to its safety and durability.
The operational temperature range for this circuit breaker is -25 °C to +55 °C, allowing it to function in diverse environmental conditions. It is designed with an IP20 degree of protection, making it suitable for indoor use. Additionally, the breaker indicates contact position with red for ON and green for OFF, enhancing user interface.
For enhanced functionality, the device supports a variety of accessories including auxiliary contacts and shunt trips, which can be integrated as needed. The actuator type is a toggle switch, and it features screw terminals for secure wiring connections.
This product falls under the classification of ETIM 9: EC000042 - Miniature circuit breaker (MCB), making it a key component in electrical distribution systems.
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Offer details
- Offer from:
- Trusted supplier — France, member since 2022
- Availability:
- 7 pcs.Updated at: 07-10-2026In-Stock
- Warranty:
- 12 months
- Condition:
- New Surplus
Specifications
- Brand
- ABB
- Instructions and Manuals
- No document needed
- Mounting Position
- Any
- Standards
- IEC/EN 60898-1
- Tripping Characteristic
- B
- Rated Voltage (Ur)
- 230 V AC
- Rated Operational Voltage
- acc. to IEC 60898-1 230 V
Available Offers
(10)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
| Condition New Surplus | Availability 7 pcs. Updated at: 07-10-2026In-Stock | Supplier FranceTrusted supplier — member since 2022 | Warranty 12 months | ||
| Condition New Factory Sealed | Availability 12 pcs. Updated at: 05-03-2026In-Stock | Supplier BulgariaTrusted supplier — member since 2026, 10–19 employees | Warranty 12 months | ||
| Condition New Factory Sealed | Availability On requestLead time: 10–30 days | Supplier United KingdomTrusted supplier — member since 2023, 1–4 employees | Warranty 24 months | ||
| Condition New Factory Sealed | Availability On requestLead time to be confirmed | Supplier LatviaTrusted supplier — member since 2024, 20–49 employees | Warranty 12 months | ||
| Condition New Factory Sealed | Availability On requestLead time to be confirmed | Supplier PolandTrusted supplier — member since 2021, 50–99 employees | Warranty 12 months | ||
| Condition New Factory Sealed | Availability On requestLead time: 8 days | Supplier NetherlandsTrusted supplier — member since 2021 | Warranty 12 months |
Offer with manufacturer lead time
Directly from the manufacturer - with a confirmed, predictable, and fully transparent delivery time.
Documents
Data Sheet
Datasheet for ABB 2CSS255101R0405, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 07-10-2026

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