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ELR-3C Earth Leakage Protection Relay

ELR-3C Earth Leakage Protection Relay-ELR-3C Earth Leakage Protection Relay

Sipariş No : ELR-3C Earth Leakage Protection Relay

The Earth Leakage Relay ELR-3C type is particularly suitable for application where very reduced dimensions are necessary. Although of very reduced dimensions (3 modules of 17,5mm), the relay is featured by a very wide either current or delay setting field.

ELR-3C Earth Leakage Protection Relay


The Earth Leakage Relay ELR-3C type is particularly suitable for application where very reduced dimensions are necessary. Although of very reduced dimensions (3 modules of 17,5mm), the relay is featured by a very wide either current or delay setting field. The great extend of adjustment, allows to easily select the tripping current value so as to keep values of contact voltage below 50V in compliance with CEI 64-8 sepcification.
 
Earth Leakage Protection WITHOUT built-in toroidal Multirange Relay
 
  • To be used with CT transformers
  • Modular size
  • DIN rail mounting EN-50022-35
  • Sealable front cover
Models ELR-3C
Sensitivity Adjustable from 0.025 A to 25 A
Trip time delay Adjustable from 0.02 s to 5 s
Aux. voltage supply 50/60 Hz 24-48 Vdc, ac 115 Vdc, ac 230-400 Vac
Code no. 41005 41000
Technical parameters
Toroidal transformer In combination with CT-1
Max. length between relay and transformer 20 m with cables twisted
Reset mode Automatic, manual and remote (in manual mode disconnect the aux. supply during 1s)
Signalling LED’s 2 LED’s: ON + Trip
Output contacts mode Normally de-energized
Output contacts 1 change over NO-NC
Switching power (resistive load) 5A – 250V
Maximum terminal section 2.5 mm2
Maximum consumption 3 VA
Modular size 3 modules x 17.5 mm = 52.5 mm
Frequency 50/60 Hz
Protection degree / weight IP-20 / 0.2 kg
Storage / operation temperature -10°C +60°C
Standards IEC 41-1, IEC 255, VDE 0664, EN 50081-1, EN 50082-2

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