Functions and Applications
The NJBK6-36 series motor protector is suitable for AC motors with an AC frequency of 50Hz, rated insulation voltage below 690V, and rated operating current of 1A to 36A for long-term or intermittent operation. It provides overload, phase failure, three-phase current imbalance, and blocking protection. It complies with the standards: GB/T14048.4, IEC60947-4-1.
Detailed Parameters
| Parameter Category | Parameter Item | Parameter Value |
|---|
| 4.1 Main Parameters and Technical Performance | Product Model | NJBK6-36/3/ |
| Rated Current Range | 1A-3A |
| Compatible Contactor Model | CJX2-25/NC1-25 |
| Applicable Motor Power | 0.5kW-1.5kW |
| Product Model | NJBK6-36/9/ |
| Rated Current Range | 3A-9A |
| Compatible Contactor Model | CJX2-25/NC1-25 |
| Applicable Motor Power | 1.5kW-4.5kW |
| Product Model | NJBK6-36/24/ |
| Rated Current Range | 8A-24A |
| Compatible Contactor Model | CJX2-25/NC1-25 |
| Applicable Motor Power | 4kW-12kW |
| Product Model | NJBK6-36/36/ |
| Rated Current Range | 12A-36A |
| Compatible Contactor Model | CJX2-32/NC1-32 |
| Applicable Motor Power | 6kW-18kW |
| 4.2 Main Circuit Technical Parameters | Rated Operating Current | 1A-36A |
| Rated Insulation Voltage | 690V |
| Rated Frequency | 50Hz |
| 4.3 Control Circuit Technical Parameters | Number of Contacts | 1 set of transfer contacts |
| Contact Capacity | Ue/Ie: AC-15 415V/0.95A, 240V/1.5A; Ith: 5A |
| Rated Frequency | 50Hz |
| 4.4 Auxiliary Circuit Technical Parameters | Rated Control Circuit Power Supply Voltage | AC 220×(85%-110%)V, AC 380×(85%-110%)V |
| Rated Frequency | 50Hz |
