REF620, REM620, RET620
, , Contactors & relays

Miscellaneous Electric Control Components

Contactors & Relays

REF620, REM620, RET620
,

Product Description

The 620 series is a product family of IEDs designed for protection, control, measurement and supervision at utility and industrial substations, switchgear and equipment REF620 Feeder protection relay, REM620 Motor protection relay and RET620 Transformer protection relay. The IEDs feature draw-out-type design with a variety of mounting methods, compact size and ease of use. The functions are listed below: , , Protection Functions: Three-Phase Current Protection; Earth Fault Protection; Differential Protection; Unbalance Protection; Voltage Protection; Frequency Protection; Arc Protection; Motor Start-up Supervision., Protection Related Functions: Three-Phase Inrush Detector; Circuit Breaker failure protection; Master Trip; High impedance fault detection., Supervision Functions: Trip Circuit; Current Circuit; Current Transformer Secondary Circuit; Fuse Failure; Operation Time Counter., Measurement Functions: Three-phase current; Three-phase voltage; Residual current; Residual voltage; Frequency; Sequence Current; Sequence Voltage; Three-phase power and Energy., Power Quality Measurement Functions: Current total demand distortion monitoring; Voltage total harmonic distortion; Voltage Variation; Voltage unbalance.

Product Ratings

Power supply: | Type 1: 100, 110, 120, 220, 240 VAC, 48, 60, 110, 125, 220, 250 VDC | Type 2: 24, 30, 48, 60 VDC | Degree of protection: IP 54 (front side) | Operating temperature: -25...+55 deg. C (continuous)

Applicable Standards

Not Available / To be Updated