Ultra-immunized class A electronic differential...
Ultra-immunized class A electronic differential relay

Ultra-immunized class A electronic differential relay

€159.61 Tax included

€131.91 tax excl.

Highly reliable adjustable electronic differential relay for industrial protection. Adjustable sensitivity between 0.03A and 5A and tripping time between 0.02s and 5s, to be connected to an external toroidal transformer of the TDC series. It has a changeover contact for the tripping element.

Class “A” ultra-immunized with high-frequency current filtering and high immunity. Electronic relay with the possibility of fixed or regulated sensitivity and delay. Measurement in true effective value (TRMS).

Manufacturer reference: RDE-RL

Representative image for illustrative purposes, the item supplied will correspond to the specifications indicated.

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Residual current relay for industrial protection , with separate detection transformer. Designed to ensure the protection of people and electrical installations against indirect contacts, both in single-phase and three-phase systems. The residual current relay must be associated with a TDC series toroidal detection transformer.

Adjustable sensitivity between 0.03 and 5A and tripping time between 0.02 and 5s. DIN rail mounting and 230Vac supply voltage. NO/NC switched output Contact to activate an external triggering element. Electronic relay with the possibility of fixed or regulated sensitivity and delay.

Ultra-immunized Class A differential protection, for the detection of alternating leakage current and alternating currents with a direct component, which makes it especially recommended for electrical installations with the presence of currents distorted by the presence of harmonics.


The RDE-RL relays, together with the TDC transformer, allow complete differential protection, both in single-phase and three-phase lines. They ensure maximum safety and continuity in the electrical service, avoiding untimely tripping.


Note: The measuring element, toroidal transformer, is not included in the supply.




Technical characteristics:

  • Manufacturer/Supplier: LS
  • Manufacturer reference: RDE-RL
  • Type: Class A, ultra-immunized, high frequency current filtering
  • Sensitivity (IΔn): 0.03 ... 5A (selectable)
  • Delay: adjustable between 0.02 ... 5 seconds (selectable)
  • Output Contact : 1 NO/NC 10A switched contact. 250Vac
  • Maximum switching power: 2500VA
  • Relay power supply: 230Vac (± 20%) 50/60Hz 4.5VA
  • Reconnection type: manual via Reset button or by power cut
  • Use temperature: -10º to 50ºC
  • Fixing: by DIN rail
  • Dimensions: 35x85x68mm (2 modules)
  • Protection class: IP20
  • Standards: IEC 60947-2-M, IEC 60755


Status indications by LED:

  • Leakage LED on permanently: relay tripped
  • Power LED flashing and leakage LED on: continuity fault detection in the transformer
  • Leakage indicator LED flashing:
    • Leakage of value less than selected
    • 1 flash every 2 s.: 25%...50% of the leakage current
    • 1 flash every 1 s.: 50%...75% of the leakage current
    • 2 flashes every 1s.: 75%...
    • Permanent: 100%



Dimensions:

RDER differential relay dimensions



Connections:







Professional use material, install in compliance with the regulations in force at the place of installation.

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