earth leakage relay
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Frer Device
Earth leakage relay X48DSA
Earth Leakage Relay (ELR) use 3-phase total current measurement method and compares it with the current in the neutral wire by Zero Current Transformer (ZCT) to determine the current difference when leakage to ground.
Datasheet
User ManualApplication ■ Earth leakage protection
■ Installation for electrical switchboard
■ Control of wiring connection ZCT
■ Protection IP52Advantages of product ■ Range setting: 30mA ~ 300A
■ Dimension: 48×48×73mm
■ Trip time setting: 0,02 ~ 5s
■ 2 Relays output 250V, 8ASKU: X48DSA