JC3R-125 Residual Current Device

Electromagnetic Type
Earth leakage protection
Breaking capacity 6KA,or 10KA
Rated current up to 125A
Available in Type A or Type AC
Tripping sensitivity: 30mA, 100mA, 300mA
Connection from top or bottom
Complies with IEC61008-1, EN61008-1

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Product Detail

Features
Electromagnetic Type
Earth leakage protection
Breaking capacity 6KA,or 10KA
Rated current up to 125A
Available in Type A or Type AC
Tripping sensitivity: 30mA, 100mA, 300mA
Connection from top or bottom
Complies with IEC61008-1, EN61008-1

Application
The JC3R-125 RCD (residual current circuit breaker with overload protection) are suitable for consumer units or distribution board's, applied under occasions such as industrial, and commercial, high-rise buildings and residual houses.

Introduction

JC3R-125 4 pole RCDs may be used to provide earth fault protection on 3 phase, 3 wire systems, as the current balance mechanism does not require a neutral to be connected in order to operate effectively.
JC3R-125 RCDs must never be used as the sole method of direct contact protection, but are invaluable in providing supplementary protection in high risk environments where damage may occur.
However WANLAI JC3R-125 4 pole RCDs do, ideally, require a neutral conductor to be provided on the supply side of the RCD in order to ensure that the test circuit operates satisfactorily. Where connection of a neutral supply is not possible, then an alternative method of ensuring that the test button is operational is to fit a suitably rated resistor between the load side neutral pole and a phase pole not associated with the normal test button operation.
JC3R-125 4 pole RCD is available in ac type and A type. AC type RCDs are only sensitive to sinusoidal type fault currents. A type RCDs, on the other hand, are sensitive to both sinusoidal currents and “unidirectional pulsed” currents, which may be present, for example, in systems with electronic devices for rectifying the current. These devices are capable of generating pulsed shape fault currents with continuous components that an AC type RCD is unable to recognize
JC3R-125 RCD provides protection against earth faults occurring in equipment and reduces the effects of electric shock on human beings and thus saves lives.
JC3R-125 RCD measures the current flowing in the live and neutral cables and if there is an imbalance, that is current flowing to earth above the RCD sensitivity, the RCD will trip and cut off the supply.
JC3R-125 RCDs incorporate a filtering device to provide protection against transient surges in the supply to the unit, thus reducing the occurrence of unwanted tripping

	Standard	IEC61008-1, EN61008-1
Electronic features	Rated current In (A)	25, 40, 50, 63, 80, 100, 125
	Type	Electromagnetic
	Type(wave form of the leakage sensed)	AC, A, AC-G, A-G AC-S and A-S are available
	Poles	3P+N
	Rated voltage Ue (V)	3P+N: 400/415
	Rated sensitivity IΔn	30mA, 100mA, 300mA are available
	Insulation voltage Ui (V)	500
	Rated residual making and breaking capacity IΔm	500(In=25/40A), 630(In=63A), 1000(In=80/100A)
	Rated frequency	50/60Hz
	Rated breaking capacity	6KA, 10KA
	Rated impulse withstand voltage (1.2/50) Uimp (V)	6,000
	Dielectric test voltage at ind.Freq. for 1 min (KV)	2.5
	Pollution degree	2
Mechanical features	Electrical life	2,000
	Mechanical life	4,000
	Contact position indicator	Yes
	Protection degree	IP20
	Reference temperature for setting of thermal element(℃)	30
	Ambient temperature(with daily average ≤35℃)	-5…+40
	Storage temperature(℃)	-25…+70
Installation	Terminal connection type	Cable/U-type busbar/Pin-type busbar
	Terminal size top/bottom for cable	25mm2/18-3AWG
	Terminal size top/bottom for Busbar	10mm2/18-8AWG
	Tightening torque	2.5N*m/22In-lbs
	Mounting	On DIN rail EN 60715(35mm)
	Connection	From top or bottom are available