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ZJW800A 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, power source
For example: ZJW800A/12V
The DC contactor of main contact is one NO, rated voltage not more than DC 80V, current 800A, coil
| Basic Technical Parameters (at normal conditions) | |||
| Electric Parameters | |||
| Contact type |
One pair of bridge type moving open (NO) contacts |
Instantaneous maxi (closing) current | 7Ie,≤1s |
| Rated voltage of contacts (DC) | ≤80V | Insulation resistance(MΩ) | ≥100 |
| Rated current of contacts (A) | 600 | Dielectric withstand voltage | 1500V,p.f. 1min, no breakdown |
| Voltage drop on contacts(mV) | ≤80 | Electric cycles (104) | ≥2 |
| Coil voltage specification(DC) | 12V, 24V, 48V, 72V etc | Mechanical cycles (104) | ≥30 |
| DC power consumption of coil (W) | ≤16 | 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 M8(N.m) |
≯10.5 N appropriate | Protection grade | IP50 |
| Coil lead end thickness(mm) | 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 |
| 12 | 17.1 | 60 | 442 |
| 24 | 67.7 | 72 | 568.6 |
| 48 | 210.4 | 80 | 737 |
Outline and Mounting Picture
| Basic size(mm) | Tolerance size(mm) |
| 0~30 | ±0.2 |
| 30~60 | ±0.3 |
| 60~100 | ±0.5 |
| >100 | ±1.0 |
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