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

TG Series Fully Sealed High Voltage DC Contactor

TG300H Fully Sealed High Voltage DC Contactor

TG300H Fully Sealed High Voltage 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, power source.

  • TG300H Fully Sealed High Voltage 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.

Basic Technical Parameters (at normal conditions)

Electric Parameters
Contact type

One pair of bridge type Normal open (NO) contacts

Insulation resistance(MΩ) ≥100

Rated voltage of contacts (DC)

750V,300A

Dielectric withstand voltage

between contacts and coil 2200VAC, 50Hz, 1min, No breakdown, no flashover.
Voltage drop on contacts(mV) ≤100 (under 100A current) Between contacts
Pickup voltage(DC) ≤75%Us Rated load electrical life 1000V,120A ≥1000 times
Release voltage(DC) ≥7.0V 900V,150A ≥1000 times
Pickup time(ms) ≤30 750V,300A ≥1000 times
Release time (ms) ≤20 450V,300A ≥5000 times
Instantaneous  maximum current 800A,≤1s Max breaking current (A) 2000A,(320VDC) 1 times
Coil voltage specification (DC) 12V, 24V, etc. Mechanical life (10k) ≥30
DC power consumption of coil start current ≤2.5A Temperature rise on outgoing terminal (K) ≤65
standby power ≤4.0W Temperature rise of coil (K) ≤85

Acting frequency

≤1Hz Material of contact AgCuO(10)
Working duty Continuous    
Mechanical/Ambient Conditions
Torque of outgoing terminal on contact M5 (N.m) ≯9.0 Protection grade IP67
Leading mode of coil High temperature insulated multiple-stranded CU wire Mounting methods Freely
Working temperature (-40~+85)℃ Vibration Sine shock, 2.5g, (5~50) Hz
Mounting altitude ≤2Km Impact 50g,11ms (Half sine)
Coil Specification (20℃)
Coil voltage (V) Coil resistance (1±10%) Ω

 

 
12 3.0

 

 

24    

tg300h fully sealed high voltage dc contactor 1

Ordering notice

For example: TG300H/12V
                      Main contact rated current 300A, rated voltage DC750V, coil voltage DC12V. One pair of bridge type 
Normal open (NO) contacts

Outline and Mounting Picture

tg300h fully sealed high voltage dc contactor 2.jpg

Mini Circuit Breaker
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