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

Emergency Switch

ZJK250A Type Emergency Power OFF Switch

ZJK250A Type Emergency Power OFF Switch

The products are mainly used for emergency power off of DC power supply systems such as battery cars, electric forklifts electric vehicles and

  • ZJK250A Type Emergency Power OFF Switch
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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 for emergency power off of DC power supply systems such as battery cars, electric forklifts, electric vehicles and

Ordering Notice

For example: ZJK250A
Emergency power off switch with Rated voltage not

Basic Technical Parameters (at normal conditions)
Electric Parameters
Contact type One pair of bridge type Instantaneous maxi (closing) current 1000A, ≤1s
Rated voltage of contacts (DC) ≤80V Insulation resistance(MΩ) DC500V, ≥100
Rated current of contacts (A) 250 Dielectric withstand voltage 1500V,p.f. 1min, no breakdown
Voltage drop on contacts(mV) ≤80 (at 100A) Electric cycles (104) ≥1
Operational form Manual Mechanical cycles (104) ≥2
Disconnect thrust F1(N) 20.0≤F1≤30.0 Temperature rise on outgoing terminal ≤65
Closed pull force F2(N) 20.0≤F2≤40.0 Material of contact AgCuO(10)/Cu
Normal closing time (ms) ≤100 Working duty Continuous operating duty
Normal disconnection time (ms) ≤50    
Mechanical/Ambient Conditions
Torque of outgoing terminal on contact M8(N.m) ≯8.5N appropriate Protection grade IP50
Torque of outgoing terminal on coil M5(N.m) ≯2.0N 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)
Safety certification Quality certification
3C 2015170302000405 GB/T19001-2008/ISO9001-2008 QWZ19140757
    ISO/TS16949-2009 CNTS016227

 Outline and Mounting Picture

 

 

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