Bticino residual current circuit breaker 4P AC 63A 300mA 3 modules G44AC63
Bticino differential block (circuit breaker), with the following characteristics:
- 3 modules
- DIN connection (universal for any switchboard on the market)
- 4 poles
- 63 amperes
- Differential current Idn 300mA
- Voltage 400 Vac
- AC differential type

Bticino residual current circuit breaker 4P AC 63A 300mA 3 modules G44AC63
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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 AC differential blockworks only with alternating current. Almost all civil installations fall into this typology.
Characteristics:
- Bticino series
- Voltage 400Vac
- Current In 63A
- Current differential Idn 300mA
- AC differential type
- 3 modules
- 4 poles
- Degree of protection IP20
- Height 83 mm
- Width 35.6 mm
- Depth 76 mm
- Maximum cable section 25/35 mmq
Data sheet
- Voltage:
- 400VAC
- Modules:
- 3
- Poles:
- 4P
- RCD Type:
- AC
- Differential current :
- 0.3A
- Amps:
- 63A
- Circuit Protections:
- Earth Leakage add-on Blocks