ZJ50D-ZHEJIANG CEE EL ECTRIC CO., LTD

Products

ZJ50D

CEV2 series motor protection circuit breaker is mainly used for motor overload and short circuit protection. The motor adopts AC 50/60Hz, up to 660V*0.1-80A power supply circuit, as a full voltage starter,

Starting and shutting down motors, under AC3 loads or for overload and short circuit protection of distribution networks for circuits and power equipment.

Details

Application

The products are mainly used in the power supply on and off control of de power systems

such as battery cars, electric forklifts, electric winches, electric cars, excavators, automobile

air conditioners and communication power supplies.

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Specifications

type	ZJ50D	ZJW400A	TK200A	TK50D
Contact type	Agroup of bridge dynamic closure (normally open)
Contact rated voltage(Dc)	≤80V	≤80V	≤220V	220V
Contact rated current (A)	50	400	200	50
Contact pressure drop (mV)	≤100	≤80	≤100	≤100
Coil voltage specification (Dc)	12V、24V、48V、72V		12V、24V	12v、24V 48V、72v
Coil dc power consumption (W)	≤6.0	≤16	二3.0	≤6.0
Suction voltage (Dc)	≤75%Us		≤75%Us	二75%Us
Release voltage (DC)	5%Us≤U≤40%Us		5%Us二u 60%Us	5%Us二u 40%Us
Closing time (ms)	≤30		≤30	≤50
Release time (ms)	≤50		≤50	≤50
lnstantaneous maximum current	7le,≤1s		1400A，≤1s	7le，≤1s
lnsulation resistance (MQ)	≥100		100	≥100
Dielectric voltage	150Ov, power frequency,1min no breakdown
Electrical life (ten thousand times)	≥2		≥2	≥1
Mechanical life (ten thousand times)	≥30		≥30	≥30
Outlet temperature rise (K)	≤65		≤65	≤65
Coil temperature rise (K)	≤85		≤85	≤85
Insulation grade of enameled wire	B		B	B
Operating ambient temperature	-25℃~55℃		25℃~85℃	-25℃~55℃
Protection grade	IP50		IP67	IP67

Order specifications:

Example: ZJ50D/12V

DC contactor with main contact normally open, rated voltage no more than DC80V, current

50A and coil voltage DC12V

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