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Earth Fault relay

Product: 900EFR
  • Short circuit protection device for 1Ø & 3Ø system.
  • Programmable frame sizes : 160A, 250A & 630A
  • Trip Setting : 10 - 80% of Frame size
  • Trip relay and Pre-alarm relay independently programmable.
  • Front / Remote Test and Reset Function
  • Supply Voltage: 85 - 270V AC/DC
  • DIN rail Mount
  • CE certified

Brief Specifications

Measuring Parameter Earth Fault Current Monitoring
Electrical Connection 3Ø-4W, 1Ø-2W, 3Ø-3W
Display 3 Digits Liquid Crystal Display with Backlight
Trip Setting 10% to 80% of Selectable MCCB Frame Rating


Time Ranges
Response Time: 100ms,
Trip Time Delay: 0-99.9sec,
Recovery Time Delay: 0-99.9sec (In Auto Reset Mode),
Power ON Delay: 0.5-99.9sec
Accuracy Current : ±5% of the settings ±2digit,
Time : ±5% of the settings ± 100ms
Output Contact 2 X 1 C/O (SPDT)
Output Rating NC: 3A@250V AC, NO: 5A@250V AC
Supply Voltage 85 to 270V AC / DC
Size 35mm
Mounting Type DIN Rail Mount
Certification CE

Product Variants

Product Code Supply Voltage Certification
900EFR-BL-U-CE 85 to 270V AC/DC CE, RoHS

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