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Siemens 5SV3644-6KK12 4-Pole Type A RCCB — 40A 300mA 400V

Siemens 4-pole Type A Residual Current Circuit Breaker

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ManufacturerSiemens

Part number5SV3644-6KK12

Poles 4

Type A

Rated Current (In) 40 A

Rated Residual Current (In) 300 mA

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CAGE: 9NK75

4-pole configuration Type A RCD 40A current rating 300mA sensitivity 400V rated voltage Suitable for harsh ambient conditions

Product description

The Siemens 5SV3644-6KK12 is a 4-pole residual current operated circuit breaker (RCCB) designed for Type A protection. It features a rated current (In) of 40A and a rated residual current (In) of 300mA, with a rated voltage (Un AC) of 400V. This model is specifically designed for harsh ambient conditions and offers an extended test interval, ensuring reliable operation in demanding environments.

This RCCB is crucial for providing protection against electrical shock caused by indirect contact, and for protecting against fire hazards due to earth faults. It is widely used in industrial applications, commercial buildings, and electrical installations where enhanced protection and durability are required.

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Technical specifications

Poles	4
Type	A
Rated Current (In)	40 A
Rated Residual Current (In)	300 mA
Rated Voltage (Un AC)	400 V
Series	5SV3
Ambient Conditions	Harsh

Common applications

Industrial switchboards

Commercial building electrical systems

Machine control panels

Power distribution units

Residential electrical panels

Compatible systems

Compatible with standard DIN rail mounting systems and Siemens distribution boards.

Also known as

Siemens 5SV3644-6KK12 RCCB Siemens 40A Type A RCD Siemens 5SV3 Series breaker

Replaces / compatible with

This device is designed to replace older or specific Siemens RCCB models within the 5SV3 series that meet similar electrical specifications. Please consult Siemens documentation for direct cross-references.

Technical note

Expert tip

Ensure proper wiring of all four poles for correct operation and safety, especially when dealing with different neutral conductor configurations.

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Frequently asked questions

What are the key specifications for the Siemens 5SV3644-6KK12?

The Siemens 5SV3644-6KK12 is a 4-pole, Type A residual current circuit breaker with a 40A rated current, a 300mA residual current, and a 400V AC rated voltage. It is designed for harsh ambient conditions and features an extended test interval.