The 777-575-P2 is a 3-phase current and voltage monitor designed for motor protection in 500-600 V ac applications with a full load current range of 2-800 A, requiring external CTs above 90 A. It features a 3-digit LED display, programmable settings, and 480 VA @ 240 V ac SPDT relay contacts. The device supports remote communication via Modbus, DeviceNet, Profibus, or Ethernet, and meets UL508 and UL1053 standards. It mounts via surface or DIN-rail and has dimensions of 77.47 mm H × 97.79 mm W × 128.27 mm D, weighing 1.56 lbs. The ambient operating temperature range is -20 °C to 70 °C.
The 777-575-P2 three-phase current and voltage monitor provides motor protection with input voltage from 500–600 V ac and motor full load ampere range as follows: 2–20 A (looped conductors required); 20–90 A (direct); 90–800 A (external CTs required).
3-PH OVERLOAD REL./500-600V/
Motor Saver, 3-Ph, 480-575V, 2-800A
3-PH OVERLOAD REL./500-600V/
Industrial Relays 3-PH OVERLOAD REL./500-600V/
| Littelfuse, Inc. | DigiKey | Galco Industrial Electronics | Quarktwin Technology Ltd. | VAST STOCK CO., LIMITED | |
|---|---|---|---|---|---|
| Product Category | Protective Relays and Monitoring Relays | Protective Relays and Monitoring Relays | Protective Relays and Monitoring Relays | Protective Relays and Monitoring Relays | Electromechanical Relays |
| Product Number | 777-575-P2 | 5666-777-575-P2-ND | 777-575-P2 | 777-575-P2 | 777-575-P2 |
| Product Name | Littelfuse 777 Current & Voltage Monitor Provides Exceptional Motor Protection | Protection Relays & Systems | SYMC Protection Relays | Protection Relays & Systems | Industrial Relays |
| Current Sensitive Relay | Undercurrent |
