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Twin AC Controller

Monitoring Relays

D2 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,

Technical Data

D2-EFR1-Monitoring-Relays-Diagram-1-Minilec-group

D2-EFR1-Monitoring-Relays-Diagram-Minilec-group

System Supply

System 24-30 VDC / 100-120 / 220-240 / 380-440 V AC ±20%
Auxillary -

Ext. Input

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

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)

Monitoring Relays

D2 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,

Technical Data

System Supply

Ext. Input

Output Contact

Trip Setting

Trip Time Delay

Power on Delay

Resetting

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)

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