Description
Ratings
| Current rating ( In ) | 1A / 5A |
| Auxiliary Supply | 20 to 60V DC or 80 to 260V AC/DC |
Settings:
| Over current (I >) | 50 to 200% in steps of 10% |
| Instantaneous high set | 2 to 16 times 1> set value |
Operating Characteristics:
| Inverse time Characteristics | 3s Normal inverse 1.3s Normal inverse 1.5s Very inverse 0.8/0.6s Extremely inverse |
| Time multiplier setting (TMS) | 0.01 to 1.6 in two ranges 1st range : 0.01to 0.32 in steps of 0.01 2nd range : 0.05 to 1.6 in steps of 0.05 |
Burden:
| Auxiliary circuit | 3W (Non-operated) 6W ( Operated |
| Current input circuit | 1A – 0.05 VA (max) at rated current 5A – 0.2 VA (max) at rated current |
Accuracy:
| Operating value | 105 to 120% of set current |
| Resetting value | 80 to 97% of the pickup value |
| High set operating value | ±5% |
| Inverse operating time | ±5% or ± 30ms (which ever is higher) |
| High set operating time | < 40ms @ 2 times the set current |
| Reset time | 200 to 250ms |
| Over shoot time | Less than 100ms |
Output Contacts
| For JRC 951P, JRC 952, | Trip – 1N/O |
| JRC 962P, JRC 964 relays, | Alarm – 2N/O |
| For JRC 953 & JRC 966 relays | 2N/O contacts |
Contact Rating
| For JRC 951P, JRC 952, | Trip – 10A at 24V DC/ 230V AC |
| JRC 962P, JRC 964 relays | Alarm – 5A at 24V DC/ 230V AC |
| For JRC 953 & JRC 966 relays | 5A at 24V DC/230V AC |
Mechanical Design :
| Weight | 550gms approx |
| Case Size Fascia | 96sqmm, Depth 105mm |
| Installation | Flush mounting |
| Panel cutout | 92mm x 92mm |
Standard Compliance:
| Accuracy test | IEC 60255-3 |
| Insulation test | IEC 60255-5 |
| 1MHz HFD test | IEC 60255-22-1 |
Ordering Information
| Relay type | JRC 966 – 3 Pole IDMT With High set JRC 953 – 3 Pole IDMT Without High set JRC 964 – 2 Pole IDMT With High set JRC 952 – 2 Pole IDMT Without High set JRC 962P – 1 Pole IDMT With High set JRC 951P – 1 Pole IDMT Without High set |
| Auxiliary Supply | 20 to 60V DC or 80 to 260V AC/DC |
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