dc power contactors

Basic Technical Parameters (at normal conditions)
Electric Parameters
Contact type	One pair of bridge type moving open (NO) contacts	Instantaneous maxi (closing) current	800A, ≤1s
Rated voltage of contacts (DC)	≤80V	Insulation resistance(MΩ)	≥100
Rated current of contacts (A)	200	Dielectric withstand voltage	1500V,p.f. 1min, no breakdown
Voltage drop on contacts(mV)	≤80(at 100A)	Electric cycles (104)	≥2
Coil voltage specification(DC)	15V	Mechanical cycles (104)	≥30
DC power consumption of coil (W)	≤9.0	Temperature rise on outgoing terminal	≤65
Pickup voltage(DC)	≤70%Ue(Positive power up)	Temperature rise of coil(K)	≤85
Release voltage(DC)	≥5%Ue;≤40%Us	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)	≯8.5N 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	20.9	36	174
15	32	48	288.3
24	84.5	60	511