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: ZJWT50DE/12V
The DC contactor of main contact is commutation, rated voltage not more than DC48V, current 50A,coil voltage 12V/DC
Basic Technical Parameters (at normal conditions) | |||||
Electric Parameters | |||||
Contact type | A set of commutation contacts | Instantaneous maxi (closing) current | 7Ie,≤1s | ||
Rated voltage of contacts (DC) | ≤48V | Insulation resistance(MΩ) | ≥100 | ||
Rated current of contacts (A) | 50 | Dielectric withstand voltage | 1500V,p.f. 1min, no breakdown | ||
Voltage drop on contacts(mV) | ≤100 | Electric cycles (≥20000) | ≥2 | ||
Coil voltage specification(DC) | 12V, 24V, 48V, 72V etc | Mechanical cycles (≥300000) | ≥30 | ||
DC power consumption of coil (W) | Long term≤10W | Short term≤28W | Temperature rise on outgoing terminal | ≤65 | |
Pickup voltage(DC) | ≤75%Us | Temperature rise of coil(K) | ≤85 | ||
Release voltage(DC) | ≥5%Us;≤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 M10(N.m) | ≯4.5N appropriate | Protection grade | IP67 | ||
Coil wiring insert | 0.8 | 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 | ||
Long term | Short term | Long term | Short term | ||
12 | 14.4 | 5.3 | 60 | 360 | 133.3 |
24 | 57.6 | 21.3 | 72 | 518.4 | 192 |
48 | 230.4 | 85.3 | 80 | 640 | 237 |
Outline and Mounting Picture:
ADD: Xixing road Liushi Yueqing Zhejiang China
TEL/FAX: +86-577-61719535
E-mail: info@chiqiele.com
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