Phase Failure Relays
Monitoring Relays
Motor / Pump Protection Relays
Electronics Timers
Liquid Level Controllers

Voltage Monitoring Relays

Current Monitoring Relays

Ground Fault Monitoring Relays

Frequency Monitoring Relays

Power Monitoring Relays & CBCT

Microprocessor Based Motor Protection Relay

Winding Over – Temperature Protection Relays

On Delay Timers

Special Function Timers

Cyclic Timers

Level Controllers – Conductive Liquids

Level Controllers – Non Conductive Liquids

Power Line Transducers And MFM
Automation Products
Alarm Annunciators
Products For Agri Sector

Voltage, Current, Frequency Transducers

Power Transducers

Isolation Transducers

Transducers Models

Process/Plant Control and Automation

Twin AC Controller

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

F3 EFR1 Monitoring Relays Diagram- Minilec group

System Supply

System 24-30 VDC / 110-240 V AC / DC
Auxillary 380-440 V AC ±20%

Ext. Input

Ext. Input 1A or 5A (Selectable) CBCT Secondary

Output Contact

Output Relay Contact 1 CO (2 CO) (Pick up on Fault)

Trip Setting

EF Trip Setting 10% -100% (adjustable) of CT sec
Under CurrentN.A.
Over Voltage N.A.

Trip Time Delay

Trip Time Delay0.1-1.0 / 1-10 Sec. (Adjustable)

Power on Delay

Power on Delay N.A.

Resetting

Reset Manual / Remote (Selectable)

Weight

Weight550 gms.

Dimensions (mm)

Overall (L x W x D)76 x 56.5 x 117.5
Mounting (L x W)67 x 46 / 35 mm rail Mounting

Note:

Wherever not specified Contact Rating : 5A @ 230 V AC (resistive)

System Supply

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%

Ext. Input

Ext. Input 1 Amp / 5 Amp (selectable) CBCT Secondary

Output Relay Contact

Output Relay Contact 2 CO

Trip Setting

Earth Fault10% to 100%

Trip Time Delay

Trip Time Delay0.1 to 1 sec. or 1 to 10 sec. (Adjustable)

Resetting Mode

Resetting Mode Manual / Remote

Operating Mode

Operating Mode Non Fail Safe

Weight

Weight550 gms (Approx.)

Dimensions (mm)

Overall (L x W x D)96 X 96 X 80
Mounting (L x W)92 X 92

Note:

Wherever not specified Contact Rating : 5A @ 230 V AC (resistive)

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 Supply

Ext. Input

Output Contact

Trip Setting

Trip Time Delay

Power on Delay

Resetting

Weight

Dimensions (mm)

Note:

System Supply

Ext. Input

Output Relay Contact

Trip Setting

Trip Time Delay

Resetting Mode

Operating Mode

Weight

Dimensions (mm)

Note:

Applications

Generator Panels

AMF Panels, MCC panels

Synchronizing Control Panels

Air Circuit Breakers (With shunt Trip Coil)

Motor Control Panels

MCCB (With Shunt Trip Coil)

Connect with us

Enquiry

Get support

Subscribe Newsletter

COMPANY

QUICK LINK

CONTACT