The 48v contactors 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
Application
ZJ50DB DC Contactor 48v has a small size and large load capacity. It is designed to provide efficient switches for electric forklifts, battery trucks, tractors, excavators, automotive air conditioners, communication power supplies, and uninterruptible power supplies.
Ordering Notice
For example: ZJ50DB/12V
The DC contactor of main contact is one NO, rated voltage not more than DC 80V, current 50A, coil
| Basic Technical Parameters (at normal conditions) | |||
| Electric Parameters | |||
| Contact type | One pair of bridge type moving | Instantaneous maxi (closing) current | 7Ie,≤1s |
| close (NC) contacts | |||
| Rated voltage of contacts (DC) | ≤80V | 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) | ≤6.04 | 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 M5(N.m) |
≯2.5N appropriate | Protection grade | IP50 |
| Torque of outgoing terminal on coil M4(N.m) |
≯1.2N 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 | 26.1 | 60 | 654.5 |
| 24 | 104.7 | 72 | 942.5 |
| 48 | 423 | 80 | 1163.6 |
Outline and Mounting Picture
The contactor 48v is mainly used to control switching on/off of power
The products are mainly used to control switching on/off of power supp