The dc contactor 12v is mainly used to control switching on/off of the power supply of storage battery cars, electric forklifts, electric winches, electric cars, excavators, and air conditioners in vehicles.
InquiryApplication
ZJWTP50DE/24V DC Contactor is used in the EPS power supply of the communication base station, and the contacts can also be used for AC loads of 380V, 220V, and 110V.
Ordering Notice
For example: ZJWT50DE/12V
The DC contactor of main contact is commutation, rated voltage not more than DC48V, current 50A,
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 (104) | ≥2 | ||
Coil voltage specification(DC) | 12V, 24V, 48V, 72V etc | Mechanical cycles (104) | ≥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