Phase Failure Relays
These relays are suitable for monitoring incoming 3-phase supply from Mains (Electricity distribution line). Being independent of load, they can be used for any HP/KW rating of load. These relays are suitable for monitoring incoming 3-phase supply from Mains (Electricity distribution line). Being independent of load, they can be used for any HP/KW rating of load.
FEATURES
- Fixed/adjustable unbalance settings
- Fixed/adjustable under voltage/over-voltage settings
- Fixed/adjustable trip delays
- Built-in or external power supply
- Resetting Auto / Manual / Remote
- Output contacts : 1 CO or 2 CO
- Choice of enclosures (DIN-Rail, Flush, Plug-in)
- Models with Micro-Controller based design
- 2 Line Alpha-Numeric LCD display (For F3 VSR4 model)
- Serial Communication (RS 232/485) Port (for F3 VSR4 model)
- Use of SMD Technology
- User-friendly LED indications
PROTECTIONS / FUNCTIONS
- Phase Failure [Phase Loss/Single Phasing]
- Phase sequence reversal
- Voltage Unbalance
- Under Voltage
- Over Voltage
- Dry Run
ORDERING INSTRUCTIONS
- Product Family Name
- Model Name
- System Supply Voltage & Frequency
- Aux. Supply / Control Supply Voltage