| Input Voltage | 200-480VAC, 3Ø (Standard)
(500-600VAC, 3Ø Available) |
| Frequency | 50 or 60Hz |
| Motor Full Load amp Range | 2-90 Amps, 3Ø (Direct)
91-800 Amps, 3Ø (External CT's) |
| Programmable Operating Points |
| LV - Low Voltage Threshold * | 170V (450V*) - HV Setting |
| HV - High Voltage Threshold * | LV Setting - 528V (660V*) |
| VUB - Voltage Unbalance Threshold | 2-15% or 999 = Off |
| MULT - # of Loops or CT Ratio (XXX:5) | 1-10 Loops or 100-800 Ratio |
| OC - Over Current Threshold | (20-100A) / MULT |
| UC - Under Current Threshold | (0, 10-98A) / MULT |
| CUB - Current Unbalance Threshold | 2-25% or 999 (OFF) |
| TC - Over Current Trip Class ** | 5, J5, 10, J10, 15,
J15, 20, J20, 30, J30 |
| RD1 - Rapid Cycle Timer | 0-500 Seconds |
| RD2 - Restart Delay After All Faults Except Under Current (Motor Cool Down Timer) | 2-500 Minutes |
| RD3 - Restart Delay After Under Current (Dry Well Recovery Timer) | 2-500 Minutes |
| #RU - Number of Restarts After Under Current | 0, 1, 2, 3, 4, A (Automatic) |
| ADDR - RS485 Address | A01-A99 |
| #RF - Number of Restarts After All Faults Except Under Current *** | 0, 1, oc1, 2, oc2, 3,
oc3, 4, oc4, A, ocA |
| UCTD - Under Current Trip Delay | 2-60 Seconds |
| GF - Ground Fault Current Threshold | (3-20A) / MULT or OFF |
| Specifications |
| Low Voltage | 4 seconds |
Output Contact Rating
(Pilot Duty) SPDT | 480VA @ 240VAC |
| Transient Protection (Internal) | 2500 V for 10 mSeconds |
| Accuracy |
| Voltage | ±1% |
| Current | ±3% ( <100 amps direct) |
| Timing | 5% ±1 Second |
| Repeatability |
| Voltage | ±0.5% |
| Current | ±1% ( <100 amps direct) |
| Temperature Range | 0 to 70°C |
| Physical Specifications |
| Dimensions | 3.0" H x 5.1" D x 3.6" W |
| Power Consumption | 10 Watts (Max.) |
| Weight | 1.2 lbs. |
NOTES: SymCom's 777-LR & 777-MV can be programmed prior to installation by applying 115 VAC between the L1 and L2 terminals.
* 575 volt Model (MS 777-575)
** If J prefix is displayed in trip class setting, jam protection is enabled.
*** If "oc" is enabled in the #RF setting, the Over Current will be included as a normal fault and the relay will automatically restart after RD2 expires, otherwise, manual reset is required after an Over Current Fault. |
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