NewTrend · DC contactor
Product overview
The NewTrend TK200H is a 200 A continuous-duty high-voltage DC contactor rated at 450 V DC, with one normally open bridge contact and IP67 protection. An energy-saving coil circuit limits holding power to 3 W. Its M8 power terminals, insulated coil leads and -40 to +85 degrees C operating range suit battery-powered industrial equipment.
Technical selection summary
| Contactor Model | TK200H |
|---|---|
| Current (Continuous) | 200A |
| Coil Voltage | DC12V / DC24V |
| Rated Contact Voltage | DC450V |
| Contacts | 1NO |
| Construction | Fully sealed; energy-saving coil circuit |
| Ingress Protection | IP67 |
Electrical and mechanical performance
| Contact voltage drop | 80 mV maximum |
|---|---|
| Coil power | Holding power 3 W maximum |
| Pickup / release voltage | 75% Us maximum / 5-60% Us |
| Pickup / release time | 30 ms maximum / 50 ms maximum |
| Momentary maximum current | 1400 A, for 1 second maximum |
| Insulation resistance | 100 megohms minimum |
| Dielectric withstand | 1500 V AC, power frequency, 1 minute |
| Electrical / mechanical endurance | 10,000 / 300,000 operations minimum |
| Terminal / coil temperature rise | 65 K / 85 K maximum |
| Contact material | AgCuO(10) |
| Operating frequency | 1 Hz maximum |
| Ambient temperature | -40 to +85 degrees C |
| Altitude | 2000 m maximum |
| Main terminals / torque | M8 / 9 N.m maximum |
| Coil connection | High-temperature insulated stranded copper flying leads |
| Mounting orientation | Any orientation |
| Vibration | 2.5 g; 5-50 Hz |
| Shock | 50 g; 11 ms half-sine |
| Coil starting / holding current | 3.0 A / 1.0 A maximum |
DC switching load capacity
| 450 V DC | 200 A |
|---|---|
| 600 V DC | 100 A |
| 750 V DC | 80 A |
| 900 V DC | 10 A |
Short-time overload capability
| 1000 A | 20 seconds minimum |
|---|---|
| 800 A | 45 seconds minimum |
| 600 A | 90 seconds minimum |
| 400 A | 5 minutes minimum |
| 300 A | 1 hour minimum |
Overload times are measured until the outgoing terminal temperature rise reaches 65 K.
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 TK200H catalogue (PDF)



