NewTrend · DC contactor
Product overview
The NewTrend JX50DH is a compact 50 A continuous-duty DC contactor with one normally open bridge contact and a contact voltage rating up to 72 V DC. Its IP56 construction, insulated flying leads and compact rectangular housing with mounting feet suit battery-powered vehicles and industrial auxiliary power switching.
Technical selection summary
| Contactor Model | JX50DH |
|---|---|
| Current (Continuous) | 50A |
| Coil Voltage | DC12V / DC24V / DC48V |
| Maximum Contact Voltage | DC72V |
| Contacts | 1NO |
| Construction | Single coil; insulated flying leads |
| Ingress Protection | IP56 |
Electrical and mechanical performance
| Insulation resistance(MΩ) | ≥100 |
|---|---|
| Dielectric withstand voltage | 500V,p.f. 1min, no breakdown |
| Electric cycles (104) | ≥2 |
| Contact contact resistance (mΩ) | ≤5 |
| Mechanical cycles (104) | ≥30 |
| Temperature rise on outgoing terminal | ≤65 |
| DC power consumption of coil (W) | ≤5.0 |
| Temperature rise of coil(K) | ≤85 |
| Pickup voltage(DC) | ≤75%Us |
| Insulation grade of enameled wire | Class B (130°C) |
| Release voltage(DC) | ≥5%Us;≤40%Us |
| Material of contact | AgCuO(10)/Cu |
| Pickup time(ms) | ≤30 |
| Release time(ms) | ≤50 |
| Main terminal tightening torque | 4.5 N.m maximum |
| Coil lead-out method | Multi-strand silver plated soft copper insulated wire |
| Mounting methods | Freely |
| Working temperature | (-25~+55)°C |
| Vibration | Sine shock: 2.5g, (5~50) Hz |
| Mounting altitude | ≤2Km |
| Impact | 50g,11ms(Half sine) |
Typical applications
- Battery supply switching for industrial electric vehicles and forklifts
- Electric winches and battery-powered material-handling equipment
- DC auxiliary supply and industrial machinery power circuits
Download complete NewTrend JX50DH catalogue (PDF)
Product reference images and drawings
JX50DH catalogue – Product, applications, model selection and wiring
JX50DH catalogue – Full technical parameters and mounting dimensions
