ABB SN201 Miniature Circuit Breaker, 1-Pole, 40 A, Type B, 400 V ac AC, 10 kA Breaking Capacity

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SGD57.03

(exc. GST)

SGD62.16

(inc. GST)

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RS Stock No.:
237-1438
Mfr. Part No.:
2CSS275101R0405
Manufacturer:
ABB
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Brand

ABB

Product Type

Miniature Circuit Breaker

Number of Poles

1

Current Rating

40 A

Tripping Characteristics

Type B

Rated AC Voltage

400 V ac

Breaking Capacity

10kA

Mount Type

DIN Rail

Series

SN201

Terminal Type

Cage Terminal

IP Rating

IP40, IP20

Height

85mm

Standards/Approvals

IEC/EN 60898-1

Width

18 mm

Depth

69mm

Reset Actuator Type

Toggle

COO (Country of Origin):
IT

ABB SN201 Series MCB, 40A Current Rating, 10kA Breaking Capacity - 2CSS275101R0405


This miniature circuit breaker (MCB) provides robust circuit protection for electrical installations with a current rating of 40A. Designed as a 1-pole device, it offers essential protection against overloads and short circuits. Its Compact dimensions measure 18mm in width and 69mm in depth, making it suitable for mounting on a DIN rail, ensuring easy installation within various electrical configurations.

Features & Benefits


• Type B MCB with reliable tripping characteristics for diverse applications
• 10kA breaking capacity to ensure effective fault isolation
• Toggle switch actuator for straightforward operation and resetting
• Compact 1-module design helps in saving space in distribution boards
• Screw Terminal type for secure and easy cable connections
• Enhanced short circuit protection safeguards critical circuits effectively

Applications


• Used in residential and commercial circuit protection
• Suitable for small motor and lighting circuits
• Employed in electrical panels for reliable power distribution
• Ideal for use in automation systems where overload protection is Crucial

How does the breaking capacity impact performance in fault conditions?


The 10kA breaking capacity ensures that the breaker can safely interrupt high short-circuit currents, preventing damage to the electrical system and enhancing safety during fault conditions.

What factors should I consider when installing this circuit breaker?


Ensure that the installation complies with local regulations and that the ambient temperature remains within -25°C to 55°C. Proper tightening torque of 1.2 N·m is recommended for the screws to maintain secure connections.

Can this circuit breaker be operated in harsh environmental conditions?


Yes, it is designed to operate in ambient temperatures ranging from -25°C to 55°C, making it suitable for various environments, including industrial and commercial applications where temperature fluctuations may occur.

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