China Nanfeng Electric
86-577-62797256 king@kingnan.com
ZJQ 300H DC Contactor

ZJQ 300H 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

  • ZJQ 300H DC Contactor
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TEL:+86-577-62797256 62776658

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EMAIL:king@kingnan.com

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Application

300A/12V DC Contactor ZJQ 300H is designed to adopt standard modularity and uses minimal parts to assemble the contactor. The rated voltage is not greater than DC80V, and the current is 300A.

Ordering Notice

For example: ZJQ300H/12V The DC contactor of main contact is NO+NC, rated voltage not more than DC80V, current 300A, coil

Basic Technical Parameters (at normal conditions)
Electric Parameters
Contact type A set of NO+NC Instantaneous maxi (closing) current 7Ie,≤1s
Rated voltage of contacts (DC) ≤80V Insulation resistance(MΩ) ≥100
Rated current of contacts (A) 300 Dielectric withstand voltage 1500V,p.f. 1min, no breakdown
Voltage drop on contacts(mV) ≤80 Electric cycles (104) ≥2
Coil voltage specification(DC) 12V, 24V, 48V, 72V etc Mechanical cycles (104) ≥30
DC power consumption of coil (W) ≤38 Temperature rise on outgoing terminal ≤65
Pickup voltage(DC) ≤70%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) ≤50 Material of contact AgCuO(10)/Cu
Release time(ms) ≤50 Working duty Continuous operating duty
Mechanical/Ambient Conditions
Torque of outgoing 
terminal  on contact M8(N.m)
≯8.5N appropriate Protection grade IP50
Coil wiring screw M5 M5 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
12 3.8 60 95.6
24 17.4 72 152.5
48 69.5 80 186.7

 Outline and Mounting Picture

 

Mini Circuit Breaker
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