5SL6440-7MB

Siemens SENTRON 5SL6440-7MB 4-pole C-curve 40A miniature circuit breaker
Siemens SENTRON 5SL6440-7MB 4-pole C-curve 40A miniature circuit breaker

The SIEMENS SENTRON 5SL6440-7MB is a 4-pole miniature circuit breaker with a rated current of 40A, C-curve operating characteristics, a short-circuit breaking capacity of 6kA, and a rated voltage of 400V. Its electrical specifications are the same as those of the 40A series products.

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Siemens SENTRON 5SL6440-7MB 4-pole C-curve 40A miniature circuit breaker
Product Positioning

The Siemens SENTRON 5SL6440-7MB is a 4-pole miniature circuit breaker with a rated current of 40A and a short-circuit breaking capacity of 6kA. Its electrical performance is consistent with the SENTRON 5SL6 series of the same specifications, and it is suitable for three-phase power distribution circuit protection.

Core Product Advantages and Features
4-pole three-phase protection design
The phase line and neutral line switch synchronously, suitable for the main circuit or branch circuit protection of a 400V three-phase power distribution system.
40A circuit protection specification
This is the smallest current rating in the series, suitable for small three-phase load circuits or branch protection configurations.
6kA short circuit breaking capacity
Manufactured and tested in accordance with EN 60898 and IEC 60947-2 standards, with stable short-circuit protection performance.
Original factory standard part number
It has an official order code from Siemens and was procured through an authorized channel by Kenxin Motors, so its origin is clear and traceable.
project Specification
Rated current 40 A
Extreme number 4P
Rated voltage 400 V AC
Action characteristics C-curve
Short circuit breaking capacity 6 kA

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