China Nanfeng Electric
86-577-62797256 king@kingnan.com

ZJWT Series DC Contactor

ZJWT P50 DC Contactor

ZJWT P50 DC Contactor

The products are mainly used to control switching  on/off of power supply of storage battery car,  electric forklift, electric winch, electric car,  excavator, air conditioner in vehicle

  • ZJWT P50 DC Contactor
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TEL:+86-577-62797256 62776658

FAX:+86-577-62797257

EMAIL:king@kingnan.com

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Application

The products are mainly used to control switching  on/off of power supply of storage battery car,  electric forklift, electric winch, electric car,  excavator, air conditioner in vehicle, power source

Ordering Notice

For example: ZJWT50DE/12V
The DC contactor of main contact is commutation, rated voltage not more than DC48V, current 50A,

Basic Technical Parameters (at normal conditions)
Electric Parameters
Contact type A set of commutation contacts   Instantaneous maxi (closing) current 7Ie,≤1s
Rated voltage of contacts (DC) ≤48V Insulation resistance(MΩ) ≥100
Rated current of contacts (A) 50 Dielectric withstand voltage 1500V,p.f. 1min, no breakdown
Voltage drop on contacts(mV) ≤100 Electric cycles (104) ≥2
Coil voltage specification(DC) 12V, 24V, 48V, 72V etc Mechanical cycles (104) ≥30
DC power consumption of coil (W) Long term≤10W Short term≤28W Temperature rise on outgoing terminal ≤65
Pickup voltage(DC) ≤75%Us Temperature rise of coil(K) ≤85
Release voltage(DC) ≥5%Us;≤40%Us Insulation grade of enameled wire Class B (130°C)
Pickup time(ms) ≤30 Material of contact AgCuO(10)/Cu
Release time(ms) ≤50 Working duty Continuous operating duty
Mechanical/Ambient Conditions
Torque of outgoing 
terminal  on contact M10(N.m)
≯4.5N appropriate Protection grade IP67
Coil wiring insert 0.8 Mounting methods Freely
Working temperature (-25~+55)°C Vibration Sine shock: 2.5g, (5~50) Hz
Mounting altitude ≤2Km Impact 50g,11ms(Half sine)
Conversion Table for Coil Specification(20°C)
Voltage(V) Coil resistance(1±10%)Ω Voltage(V) Coil resistance(1±10%)Ω  
Long term Short term Long term Short term
12 14.4 5.3 60 360 133.3
24 57.6 21.3 72 518.4 192
48 230.4 85.3 80 640 237

 Outline and Mounting Picture

ev charging stations
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