产品名称：EFR2接地故障继电器

EFR2接地故障继电器

Introduction: It is a 1 Phase Earth Fault Relay. It is best suitable for monitoring Earth Fault Current conditions for Motor / Pump loads. It is used in single phase system supply, where Under / Over Current monitoring or protection is required. It can be Rail mounted & have individually settable under / over current settings, thus increasing their utility as entire System Protection Relays. Added facility of adjustable Trip Time Delay and Power-ON Delay has also be provided, alongwith separate indications.

Features: · Monitors Earth Fault currents. · Instant Trip. · Adjustable Over Current settings (0.1 – 2A) · 1 CO output rated 5A / 230V AC (Resistive). · LED indications for Power ON & Fault. · Manual Reset. · Sleek DIN Rail mounted housing.

Application Areas: General panels Motor starter panels HT motor starter panels Power distribution panels 3 phase UPS panels Centrifugal machine control panels

Technical Specifications:

Sr. Parameter Specifications 1 Supply Voltage System 110 / 240 / 380 / 415 V AC ±20%; Auxiliary 12 V DC / 24 / 30 V DC ±10% 2 Ext. Input 5 A CBCT or 3 x 5A CT 3 Output contact 1 CO (Normal fail safe logic) 4 Trip setting Under Current N.A.; Over Current 0.1 - 2 Amp (adjustable); Under Frequency —; Over Frequency —; Under Power —; Over Power —; Cos-Ø —; Reverse Power — 5 Input Current Range — 6 Power On Delay N.A. 7 Trip Time Delay Instantaneous 8 Resetting Manual 9 Weight 400gms. 10 Dimensions (mm) Overall (L x W x D) 76 x 56.5 x 11.7; Mounting (L x W) 67 x 46