- Phase Failure Relays
- Monitoring Relays
- Motor / Pump Protection Relays
- Electronics Timers
- Liquid Level Controllers
- Power Line Transducers And MFM
- Automation Products
- Alarm Annunciators
- Products For Agri Sector
Monitoring Relays
F3 EFR1
Earth fault/Ground fault monitoring of 3 phase systems, Manual Reset,
Input 1A or 5A through CBCT,
Adjustable earth fault trip setting,
Adjustable trip delay,
2 CO relay output
Earth fault/Ground fault monitoring of 3 phase systems, Manual Reset,
Adjustable trip delay,
Input 1A or 5A through CBCT,
Technical Data
- System 24-30 VDC / 110-240 V AC / DC
- Auxillary 380-440 V AC ±20%
System Supply
- Ext. Input 1A or 5A (Selectable) CBCT Secondary
Ext. Input
- Output Relay Contact 1 CO (2 CO) (Pick up on Fault)
Output Contact
- EF Trip Setting 10% -100% (adjustable) of CT sec
- Under CurrentN.A.
- Over Voltage N.A.
Trip Setting
- Trip Time Delay0.1-1.0 / 1-10 Sec. (Adjustable)
Trip Time Delay
- Power on Delay N.A.
Power on Delay
- Reset Manual / Remote (Selectable)
Resetting
- Weight550 gms.
Weight
- Overall (L x W x D)76 x 56.5 x 117.5
- Mounting (L x W)67 x 46 / 35 mm rail Mounting
Dimensions (mm)
- Wherever not specified Contact Rating : 5A @ 230 V AC (resistive)
Note:
- System 100 - 120 / 220 - 240 / 380 - 440 V AC ± 20%
- Auxillary 100 - 120 / 220 - 240 / 415 V AC ± 20%, 50 / 60 Hz. 24 V DC ± 20%
System Supply
- Ext. Input 1 Amp / 5 Amp (selectable) CBCT Secondary
Ext. Input
- Output Relay Contact 2 CO
Output Relay Contact
- Earth Fault10% to 100%
Trip Setting
- Trip Time Delay0.1 to 1 sec. or 1 to 10 sec. (Adjustable)
Trip Time Delay
- Resetting Mode Manual / Remote
Resetting Mode
- Operating Mode Non Fail Safe
Operating Mode
- Weight550 gms (Approx.)
Weight
- Overall (L x W x D)96 X 96 X 80
- Mounting (L x W)92 X 92
Dimensions (mm)
- Wherever not specified Contact Rating : 5A @ 230 V AC (resistive)