DC MCB

JCB3-63DC Polarity DC Miniature Circuit Breaker (MCB)

Rated voltage up to 1000V, Rated current up to 63A

Protection of circuits against overload currents

Protection of circuits against short-circuit currents

High breaking capacity

01/03

Product Details

Rated voltage up to 1000V, Rated current up to 63A

Protection of circuits against overload currents

Protection of circuits against short-circuit currents

High breaking capacity

JCB3-63DC polarity DC circuit-breakers are used in communication systems and PV DC systems

Product code	JCB3-63DC
Pole	1 Pole	2 Pole	3 Pole	4 Pole
	Standard		IEC/ EN 60947- 2
Electrical features	Rated current In (A)		6 , 10, 16, 20 , 25 , 32, 40, 50 , 63
	Rated voltage Ue(V)		1P:DC250V, 2P:DC500V, 3P:DC 750V, 4P:DC1000V
	Insulation voltage Ui (V)		1000V
	Rated impulse withstand voltage Uimp (V)		4000V
	Rated breaking capacity		6 kA
	Rated impulse withstand voltage( 1 . 2/ 50) Uimp (V)		4000
	Pollution degree		2
	Thermo- magnetic release characteristic		B Curve , C Curve
Mechanicalfeatures	Electrical life		≥1500
	Mechanical life		≥20000
	Contact position indicator		Yes
	Protection degree		IP 20
	Reference temperature for setting of thermal element(℃)		30
	Ambient temperature (with daily average ≤35℃)		- 5...+40 ℃
	Storage temperation (℃)		-25 . . . + 70 ℃
Installation	Terminal connection type		Cable/ U-type busbar/ Pin-type busbar
	Terminal size top/ bottom for cable		25mm2 / 18-4 AWG
	Terminal size top/ bottom for busbar		10mm2 / 18- 8 AWG
	Tightening torque		2. 5 N*m / 22 In-Ibs.
	Mounting		On DIN rail EN 60715 ( 35mm)
Combination with accessories	Auxiliary contact		Yes
	Shunt release		Yes
	Under voltage release		Yes
	Alarm contact		Yes

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