Specification |
Description |
Part Number |
5SM3644-0 |
Manufacturer |
Siemens |
Product Type |
Residual Current Operated Circuit Breaker (RCCB) |
Design |
Instantaneous |
Rated Current |
40A |
Number of Poles |
3+N |
Rated Residual Operating Current (IΔn) |
300mA |
Rated Voltage |
400V AC |
Mounting Position |
Any |
Height |
90 mm |
Width |
72 mm |
Depth |
77 mm |
Resistance to Impulse Current |
1 kA |
Ambient Temperature Range |
-5°C to +45°C |
Storage Temperature Range |
-40°C to +75°C |
Mechanical Operating Cycles |
10,000 |
Overvoltage Class |
III |
Minimum Supply Voltage for Testing |
100V |
Protection Against Electrical Shock |
Finger and back-of-hand safe |
Power Supply Cord Position |
Top or bottom |
Tightening Torque |
2.5 to 3 N·m |
Conductor Cross-Section |
Solid: 1.5 to 25 mm², Multibrin: 1.5 to 25 mm² |
Product Features |
Halogen-free, Silicon-free |
Environmental Testing |
28 test cycles in accordance with IEC 60068-2-30 |
Device Tag |
According to DIN EN 61346-2 and DIN EN 81346-2 |
The Siemens 5SM3644-0 is a high-quality residual current operated circuit breaker designed for reliable protection in electrical systems. With a rated current of 40A and a residual operating current of 300mA, this RCCB is suitable for a variety of applications. It features a robust design that ensures safety with finger and back-of-hand protection, and it can be mounted in any position. The device is halogen-free and silicon-free, making it environmentally friendly. Its compact dimensions and versatile mounting options make it an ideal choice for modern electrical installations.
The Siemens 5SM3644-0 is a high-quality residual current operated circuit breaker designed for reliable electrical protection in various applications. This device is engineered to provide instantaneous response to electrical faults, ensuring safety and efficiency in your electrical systems. With a rated current of 40A and a rated residual operating current of 300mA, it is suitable for use in both residential and commercial environments. The circuit breaker operates at a supply voltage of 400V AC and is built to withstand impulse currents up to 1kA. Its robust construction allows for a wide range of operating temperatures, from -5°C to +45°C, and it can be mounted in any position, offering flexibility in installation. The Siemens 5SM3644-0 is also designed to be finger and back-of-hand safe, providing an additional layer of protection. With a mechanical operating life of up to 10,000 cycles, this circuit breaker is a durable and reliable choice for safeguarding your electrical infrastructure.