SJK47LE-63 Residual Current Circuit Breaker RCCB

The SJK47LE-63 Residual Current Circuit Breaker (RCCB) provides reliable earth leakage and overcurrent protection for 230V/400V AC systems (50Hz). Available in 1P, 2P, 3P, and 4P configurations with current ratings from 6A to 63A, this RCCB features C/D-type tripping characteristics and withstands short-circuit currents up to 6000A. Ideal for residential and commercial applications, the SJK47LE-63 RCCB ensures safety against electrical faults while maintaining stable performance in 30°C–35°C environments. Compliant with international standards, it combines compact design with robust protection.

product details

Type Designation

1	Manufacturer Code
2	Design Serial Number
3	With Residual Current Protection (Earth Leakage Protection)
4	Rated Current Collection (32A, 63A)
5	Operational Current
6	Number of Poles

product Display

SJK47LE-63 Residual Current Circuit Breaker (4)

SJK47LE-63 Residual Current Circuit Breaker (1)

SJK47LE-63 Residual Current Circuit Breaker (3)

SJK47LE-63 Residual Current Circuit Breaker (5)

Technical Parameters

Tabel 1

Maximum Frame-rated Current (A)	Number of Poles	With Neutral Pole	Rated Current In (A)	Rated Voltage Un (V)	Rated Residual Operating Current I△n (mA)	Rated Residual Non-operating Current I△no (mA)	Breaking Time at I△n (s)	Rated Residual Making & Breaking Capacity I△m (A)	Instantaneous Overcurrent Release Type


32	1	+N	6 10 16 20 25	230	30 50 100 300	15 25 50 150	<0.1	2000	C D
	2			230
	3			400
	3	+N		400
	4			400
63	1	+N	32 40 50 63	230
	2			230
	3			400
	3	+N		400
	4			400

◇Rated Short-Circuit Capacity (Icn),Service Short-Circuit Breaking Capacity (Ics).

Tabel 2

Model	Rated current	Rated short-circuit current(A)	Operating short-circuit breaking capacity(A)
SJK47LE	6~63A	4500	4500
SJK47LEH	6~63A	6000	6000

◇Overcurrent Protection Characteristics at 30°C~35°C (Ref. Table 3)

Tabel 3

No.	Rated Current of Release(A)	Initial State	Test Current	Specified Time	Expected Result	Notes

1	6~63	Cold State	1.13ln	t≤1h In≤63A	No Tripping
2	6~63	Immediately after previous test post-test condition	1.45ln	t<1h In≤63A	Tripping	Current Rises Steadily to Specified Value Within 5s
3	In≤32	Cold State	2.55In	1s<t<60s	Tripping
	In>32	Cold State	2.55In	1s<t<120s	Tripping
4	6~63	Cold State	5ln 10ln	t≤0.1s t<0.1s	No Tripping Tripping	C Type
			10ln 14Ln	t≤0.1s t<0.1s	No Tripping Tripping	D Type