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Current protection relay ELR-51AS
earth-leakageDCAC

Current protection relay - ELR-51AS - Contrel elettronica - earth-leakage / DC / AC
Current protection relay - ELR-51AS - Contrel elettronica - earth-leakage / DC / AC
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Characteristics

Measured/monitored value
earth-leakage, current
Network
AC, DC
Mounting
DIN rail
Communication
RS485
Other characteristics
differential, configurable
Tripping current

Max.: 5 A

Min.: 0.03 A

Trigger voltage

24 V, 48 V, 110 V, 230 V

Description

Earth differential relay with associated toroidal sensor input, measures the leakage current in an electrical installation to detect levels that could be harmful. Ideal for protection or alarm, the product offers multiple settings. 2 relay outputs (bistable) each with 1 changeover contact. RS485 comminication available. The non-volatile memory maintains the trip status of the relay.

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Exhibitions

Meet this supplier at the following exhibition(s):

Matelec 2026
Matelec 2026

24-26 Nov 2026 Madrid (Spain) Hall 8 - Stand E15

  • More information
    Key energy 2027
    Key energy 2027

    10-12 Mar 2027 Rimini (Italy) Hall B5 - Stand 130

  • More information
    See all exhibitions

    Other Contrel elettronica products

    Type A Earth Leakage Relays

    *Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.
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