Siemens differential lock 4P 63A 30mA type A 3 modules for 5SY 5SM23456
Differential lock (circuit breaker) Siemens, with the following characteristics:
- 3 modules
- DIN connection (universal for any switchboard on the market)
- 4 poles
- 63 amperes
- Differential current Idn 30mA
- Voltage 400 Vac
- Type of differential A
Compatible with Siemens 5SY series circuit breakers

Siemens differential lock 4P 63A 30mA type A 3 modules for 5SY 5SM23456
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The differential blocks are mechanically designed to prevent a wrong coupling between the block and the circuit breaker: the power of the block must always be equal or greater than that of the circuit breaker. The lateral plastic clamp allows a quicker assembly of the block on the circuit breaker and a push button prevents possible interventions.
It is used to protect human health in case of earth fault (electrical leakage) or phase-to-earth electrocution, thus providing protection also against macro electrical shock, both direct and indirect, on exposed persons.
The differential lock type A, guarantees the operation for AC and unidirectional pulsating type currents.
Features:
- Siemens Series
- Voltage 400Vac
- Current In 63A
- Differential current Idn 30mA
- Differential type A
- Frequency of use 50 Hz
- 3 modules
- 4 poles
- Degree of protection IP20, for installation in a distribution board, with conductors connected
- Height 90 mm
- Width 124 mm
- Depth 77 mm
- Recessed depth 70 mm
- Type of mounting DIN rail (REG)
- Any mounting position
- Net weight 396 g
Data sheet
- Voltage:
- 400VAC
- Modules:
- 3
- Poles:
- 4P
- RCD Type:
- A
- Differential current :
- 0.03A
- Amps:
- 63A
- Circuit Protections:
- Earth Leakage add-on Blocks