|
777 3-phase motor protector with display - overload Relay/190-480V/2-800FLA
Protects 3-Phase motors from:
- Overload
- Underload
- Jams
- Undervoltage
- Overvoltage
- Single phasing
- Unbalance (voltage & current)
- Ground fault (Class II)
- Rapid cycling
- Phase reversal Standard Features
- Fully programmable
- UL and cUL listed
- CE compliant
- CSA approved
- Automatic or manual reset
- Tamper guard
- RS485 communications port
- Surface mount or DIN rail mount
- Alphanumeric LED diagnostic display
- Last fault memory
- 5 year warranty
- Made in USA New Features
- Ability to clear last fault
The Model 777 is a programmable overload relay. The LED displays programming and diagnostic information.
Sixteen parameters can be programmed:
- Low Voltage Setpoint
- High Voltage Setpoint
- Voltage Unbalance Setpoint
- CT Size/Loop Setting
- Overcurrent Trip Point
- Undercurrent Trip Point
- Current Unbalance Trip Point
- Trip Class (5, 10, 15, 20, 30)
- Rapid-Cycle Timer (RD1)
- Fault Restart Delay (RD2 - Motor Cool-down Timer)
- Underload Restart Delay (RD3 - Dry Well Recovery Timer)
- No. of restarts after an overload (Manual or Automatic)
- RS485 Address
- No. of restarts after an underload fault
- Underload Trip Delay
- Ground Fault Trip Point
Programming the Model 777 is an easy four step process.
|
Toshiba PLCs
