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

NR Series DC Contactor

NR80A DC Contactor

NR80A 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

  • NR80A 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: NR80A/12V
The DC contactor of main contact is one NO, rated voltage not more than DC 80V, current 80A, coil

Basic Technical Parameters (at normal conditions)
Electric Parameters
Contact type One pair of bridge type moving
 open (NO) contacts
Instantaneous maxi (closing) current 500A, ≤1s
Rated voltage of contacts (DC) ≤80V Insulation resistance(MΩ) ≥100
Rated current of contacts (A) 80 Dielectric withstand voltage 1500V,p.f. 1min, no breakdown
Voltage drop on contacts(mV) ≤100 Electric cycles (104) ≥2
Coil voltage specification(DC) 12V Mechanical cycles (104) ≥30
DC power consumption of coil (W) ≤9.0 Temperature rise on outgoing terminal ≤65
Pickup voltage(DC) ≤8.4V Temperature rise of coil(K) ≤85
Release voltage(DC) ≥0.6V; ≤4.8V 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 M8(N.m)
≯7.0N appropriate Protection grade IP50
Coil lead end thickness(mm) ≯1.2 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
12 16.6 36 144.8
15 25.2 48 270.1
24 72.2 - -

Outline and Mounting Picture

Basic size(mm) Tolerance size(mm)
0~30 ±0.2
30~60 ±0.3
60~100 ±0.5
>100 ±0.1

 

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