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2CSS255101R0101 ABB SN201-D10 Miniature Circuit Breaker 1P+NP Type D 10 A
ABB SN201-D10 is a 10 A 1P+NP Type D miniature circuit breaker with a 6 kA breaking capacity, designed to provide overload and short-circuit protection with simultaneous neutral switching.
£20.39
Why Choose the ABB SN201-D10 Miniature Circuit Breaker?
The ABB SN201-D10 is a compact 1P+NP miniature circuit breaker (MCB) designed to protect electrical circuits against overloads and short circuits while providing simultaneous switching of the phase and neutral conductors. As part of ABB's modular circuit protection range, it provides dependable protection for residential, commercial and industrial electrical installations.
Featuring a Type D tripping characteristic, the SN201-D10 is particularly suited to circuits supplying equipment with high starting or inrush currents. This characteristic makes it suitable for applications such as motors, transformers and other loads where substantial transient currents can occur during normal operation.
With a rated current of 10 A, a 1P+NP configuration and a 6 kA short-circuit breaking capacity, the SN201-D10 combines overcurrent protection and neutral switching in a compact DIN-rail device. The protected phase pole incorporates thermal and electromagnetic tripping, while the neutral pole is switched together with the phase.
Key Advantages
- Reliable overload and short-circuit protection.
- 10 A rated current for branch and final circuit protection.
- 1P+NP configuration combines a protected phase pole with a switched neutral pole.
- Type D tripping characteristic suited to loads with high starting and inrush currents.
- 6 kA short-circuit breaking capacity.
- Compact DIN-rail mounting for installation in distribution and control panels.
Key Features
- ABB SN201 series.
- 10 A rated current.
- 1P+NP pole configuration.
- Type D tripping characteristic.
- 6 kA breaking capacity.
- Protected phase conductor with switched neutral conductor.
- Thermal tripping mechanism for overload protection.
- Electromagnetic tripping mechanism for rapid short-circuit protection.
Compact Phase and Neutral Circuit Protection
The ABB SN201-D10 automatically disconnects the protected phase conductor when an overload or short-circuit condition occurs. Thermal operation responds to sustained overloads, while electromagnetic operation provides rapid disconnection during short-circuit faults.
The 1P+NP arrangement combines overcurrent protection of the phase conductor with simultaneous switching of the neutral conductor. Its Type D characteristic accommodates comparatively high transient currents, making the SN201-D10 suitable for circuits supplying equipment with demanding start-up characteristics.
Typical Applications
- Circuits with high starting or inrush currents.
- Motor and machinery circuits.
- Transformer-supplied loads.
- Industrial control and automation equipment.
- Commercial electrical installations.
- DIN-rail distribution and control panels.
Technical Specifications
| Series | SN201 |
|---|---|
| ABB order code | 2CSS255101R0101 |
| Product type | Miniature circuit breaker (MCB) |
| Pole configuration | 1P+NP |
| Protected poles | 1 |
| Rated current | 10 A |
| Tripping characteristic | Type D |
| Rated short-circuit capacity | 6 kA |
| Mounting type | DIN rail |
Frequently Asked Questions
What is the ABB SN201-D10 used for?
The SN201-D10 provides overload and short-circuit protection for electrical circuits and is particularly suited to loads with high starting or inrush currents.
What is the rated current of the ABB SN201-D10?
The ABB SN201-D10 has a rated current of 10 A.
What does the 1P+NP configuration mean?
The 1P+NP configuration combines one protected phase pole with a neutral pole that is switched simultaneously with the phase conductor.
What does the Type D characteristic mean?
The Type D tripping characteristic accommodates relatively high starting and inrush currents, making it suitable for applications such as motors, transformers and other equipment with demanding start-up characteristics.
What is the breaking capacity of the SN201-D10?
The ABB SN201-D10 has a rated short-circuit breaking capacity of 6 kA.
Trusted Circuit Protection from ABB
ABB miniature circuit breakers provide dependable overload and short-circuit protection for electrical distribution and control applications, with pole configurations and tripping characteristics designed to meet a wide range of circuit requirements.
