CHINT · NJBK1
Product overview
CHINT NJBK1 motor protection relays monitor overload, phase loss and three-phase current unbalance. Select a current setting range that contains the motor nameplate current and choose a trip class suited to its starting time.
Technical selection summary
| Series | NJBK1 |
|---|---|
| Current-setting ranges | 1–5, 2–10, 6–30, 16–80, 40–200 and 80–400 A |
| Control supply | AC 220 V or AC 380 V, 50 Hz |
| Indication and setting | LED indication; knob setting |
| Installation | Rail or screw mounting |
The table summarizes the series. Available combinations depend on the exact manufacturer code, load duty and supply voltage. Confirm the selected configuration with your quotation.
Typical applications
- Motor starter panels
- Pump and fan protection
- Industrial motor control
Specify your enquiry
For a focused quotation, include:
- Motor current and starting time
- Current setting range and control supply
- Trip class and mounting arrangement
Download CHINT NJBK1 catalogue (PDF)
