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

NF Series DC Contactor

NF400A DC Contactor

NF400A 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

  • NF400A DC Contactor
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TEL:+86-577-62797256 62776658

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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: NR400A-1/12V
The DC contactor of main contact is Bridge type, rated voltage not more than DC 96V, current 400A,

Basic Technical Parameters (at normal conditions)
Electric Parameters
Contact type One pair of bridge type 
moving close (NC) contacts
Instantaneous maxi (closing) current 7Ie,≤1s
Rated voltage of contacts (DC) ≤96V Insulation resistance(MΩ) ≥100
Rated current of contacts (A) 400 Dielectric withstand voltage 1500V,p.f. 1min, no breakdown
Voltage drop on contacts(mV) ≤80 (at 100A) Electric cycles (104) ≥2
Coil voltage specification(DC) 12V, 24V, 48V, 72V etc Mechanical cycles (104) ≥30
DC power consumption of coil (W) See coil parameter table 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)
≯18.0N appropriate Protection grade IP67
Torque of outgoing terminal on coil M4(N.m) ≯1.2N appropriate 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
Start up Keep Start up Keep
12 3.3 24 60 24.4 661.5
24 5.68 81.8 72 33 1033
48 18.2 362 80 49.2 1066.7

 Outline and Mounting Picture

 

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