Earth Fault Relays

Our extensive range of Series-1 Current & Earth Fault Relays is fabricated with high accuracy standards calibrated with +/-5% accuracy. These can be used with DC aux. supply for protection systems. In addition, to meet the various requirements of our clients, we also custom make these relays.

Technical Specifications:

• Supply voltage: AC-110V, 230V, 380V, 415V @ 50Hz DC-12V.24V

• Permissible supply voltage: + 15%

• Output contacts: 2 C/O Relay (potential free)

• Switching duty: 6A resistive at 250V AC or 24V DC

• Electrical life: 105 operation at designed switching duty

• Relay status: De-energized in normal conditions

• Signal: From CT- 5A Secondary/Shunt (for DC), CATIII

• Range: 20% to 120% = (1Ato 6A) For 5A C.T Secondary

• Time delay: 0 -10 Sec (Settable)

• Reset: Auto / Manual user selectable

• Mounting: On any standard mounting channel

Approximate weight:

• For CR-1= 150 gm

• For CR-3= 350 gm

Dimension:

• CR-1: 77 mm (W) x 55 mm (H) X 110 mm (D)

• CR-3: 112 mm (W) x 55 mm (H) X 110 mm (D)

Technical Data