earth-leakage protection relay / current / programmable / digital
ELR-3A

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earth-leakage protection relay earth-leakage protection relay - ELR-3A
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Characteristics

  • Measured/monitored value:

    earth-leakage, current

  • Other characteristics:

    programmable, digital, differential, configurable, manual reset, IEC, adjustable, modular, electronic, with fault indication, DIN rail, automatic reset

  • Trigger voltage:

    240 V

Description

Earth Differential Relay Type A

• earth leakage current measurement by external toroidal gearbox
• measurement in true effective value (trms)
• programming and display via a backlit LCD display
- fault current (red display when it is taken)
- programming parameters
- instantaneous fault current
- disconnection of the external toroid
• status indication via 2 LEDs
• two programmable independent outputs (alarm and pre-alarm)
• type of reconnection: manual, via reset button or power failure
• din rail mounting (EN50022), 3 modules