Home  |  Contact Us

banner_phase_failure_relays


 
Products I Monitoring Relays I D2 EFR1



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

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

Output Contacts : 1 CO (2 CO) (Pick up on Fault)

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

Power On Delay : N.A.

Trip Time Delay : 0.1-1.0 / 1-10 Sec. (Adjustable)

Resetting : Manual / Remote (Selectable)

Weight : 550 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)
Timing/ Relay logic Diagram

Electrical Connection Diagram

D2 EFR1 D2 EFR1

Relay contact position shown in 'Power off' condition
Suitable for following application:
Generator panels
Synchronizing Control Panels
AMF Panels, MCC panels
Air Circuit Breakers (With shunt Trip Coil)
MCCB (With Shunt Trip Coil)
Motor Control Panels
 
 
 
 



MODELS

Voltage Monitoring Relays

Current Monitoring Relays

Ground Fault Monitoring Relays

Frequency Monitoring Relays

Power Monitoring Relays

Voltage Scanners and Controllers