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

TK Series Type Fully Sealed High Voltage DC Contactor

TK50D Type Fully Sealed High Voltage DC Contactor

TK50D Type 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,

  • TK50D Type 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

Ordering Notice

For example: TK50D/12V
The DC contactor of main contact is one NO, rated voltage not more than DC 750V,current 500A, coi

Basic Technical Parameters (at normal conditions

Electric Parameters
Contact type One pair of bridge type moving 
open (NO) contacts
Pickup time(ms) ≤50
Rated voltage of contacts (DC) ≤220V Release time(ms) ≤50
Rated current of contacts (A) 50 Instantaneous maxi (closing) current 7Ie,≤1s
Switching load capacity of contact(DC) 750V, 15A Insulation resistance(MΩ) ≥100
600V, 20A Dielectric withstand voltage 1500V,p.f. 1min, no breakdown
450V, 40A Electric cycles (104) ≥1
220V, 50A Mechanical cycles (104) ≥30
Voltage drop on contacts(mV) ≤100 Temperature rise on outgoing terminal ≤65
Coil voltage specification(DC) 12V, 24V, 48V, 72V etc Temperature rise of coil(K) ≤85
DC power consumption of coil (W) ≤6 Material of contact AgCuO(10)
Pickup voltage(DC) ≤75%Us Working duty Long term
Release voltage(DC) ≥5%Us;≤40%Us Acting frequency ≤1Hz
Mechanical/Ambient Conditions
Torque of outgoing terminal on contact M5(N.m) ≯2.6N appropriate Protection grade IP67
Leading mode of coil High temperature insulated 
multiple-stranded CU wire
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 27 60 611
24 107.6 72 880
48 418.9 80 1107

Outline and Mounting Picture

 

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