TK400D Type Fully Sealed High Voltage DC Contactor

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: TK400D/12V
The DC contactor of main contact is one NO, rated voltage not more than DC 96V, current 400A, coil

Basic Technical Parameters (at normal conditions)
Electric Parameters
Contact type	One pair of bridge type moving open (NO) contacts		Instantaneous maximum current	1600A,≤1s
Rated voltage of contacts (DC)	96V,400A		Insulation resistance(MΩ)	≥100
Voltage drop on contacts(mV)	≤80		Dielectric withstand voltage	1500V,p.f. 1min, no breakdown
Contact overload capability	1200A	≥20s	Electric cycles (104)	≥1
The test was terminated when the temperature rise of the outlet reached 65K. Record power-on time	1000A	≥45s	Mechanical cycles (104)	≥30
	800A	≥90s	Temperature rise on outgoing terminal	≤65
	600A	≥5min	Temperature rise of coil(K)	≤85
Coil voltage specification(DC)	12, 24, 36, 48etc		Material of contact	AgCuO(10)
DC power consumption of coil (W)	≤8.5		Working duty	Long term
Pickup voltage(DC)	≤75%Us		Acting frequency	≤1Hz
Release voltage(DC)	≥5%Us; ≤60%Us
Pickup time(ms)
Release time(ms)
Mechanical/Ambient Conditions
Torque of outgoing terminal on contact M8(N.m)	≯9.0N appropriate		Protection grade	IP67
Leading mode of coil	High temperature insulated multiple-stranded CU wire		Mounting methods	Freely
Working temperature	(-25~+85)°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	17.3		48	270
24	72		60	433.7
36	156		72	624.5