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Hitachi

Hitachi Industrial Technology (Thailand), ltd.

MINIATURE CIRCUIT BREAKER SPECIFICATION (MCB)

BK63 & BTK63

No. Model Pole Rated breaking capacity [kA] Rated current [A] Specification table &
Overcurrent tripping &
Characteristic curve
Dimension
230V
(240V)
400V
(415V)
1 BK63 1P 6kA 6kA 1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63A 4HTN000727 4HTN001304
2 2P -
3 3P
4 4P
5 BTK63 1P (10kA) (10kA) 1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63A 4HTN001300 4HTN001305
6 2P -
7 3P
8 4P

RESIDUAL CURRENT CIRCUIT BREAKER (RCCB)

RK63

No. Model Pole Rated breaking capacity [kA] Rated sensitivity current [mA] Rated current [A] Specification table &
Overcurrent tripping &
Characteristic curve
Dimension
240V 50Hz
1 RK63 1P + N 6kA 30mA 25, 32, 40, 63A 4HTN001301 4HTN001306

RESIDUAL CURRENT CIRCUIT BREAKER WITH OVERCURRENT PROTECTION (RCBO)

RKC32 & RKS50

No. Model Pole Rated breaking capacity [kA] Rated sensitivity current [mA] Rated current [A] Specification table &
Overcurrent tripping &
Characteristic curve
Dimension
240V 50Hz
1 RKC32 1P + N 6 (4.5)kA 30mA 6, 10, 16, 20, 25, (32)A 4HTN001302 4HTN001307
2 RKS50 1P + N 10kA 30mA 6, 10, 16, 20, 25, 32, 40, 50A 4HTN001303 4HTN001308