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WARTD263-100 is a 2 pole A-type 100mA time delay RCD designed for use where two RCDs are installed in series and discrimination is required. Its built-in time delay helps ensure the upstream device only trips when appropriate, allowing the downstream protective device to operate first during a fault.

This makes it well suited to distribution arrangements where selective coordination is needed, including installations connected to EV systems and solar or renewable applications. As an A-type device, it provides residual current protection for AC and pulsating DC components.

Installer Tip: Time delay RCDs are generally used in upstream positions only. They should be selected as part of a coordinated protection strategy where discrimination between devices is required.

Key Features

  • 2 pole A-type time delay RCD – WARTD263-100
  • 63A rated current
  • 100mA sensitivity
  • Time delay operation – supports upstream discrimination
  • Residual current characteristics: A-type
  • Suitable for solar and EV applications
  • 6kA rated conditional short-circuit current
  • Dimensions: 36 x 82 x 70mm

Compare Time Delay RCD Variants

Model Poles Rated Current Sensitivity Type
WARTD263-100 (This Product) 2 Pole 63A 100mA A-Type, Time Delay
WARTD280-100 2 Pole 80A 100mA A-Type, Time Delay
WARTD2100-100 2 Pole 100A 100mA A-Type, Time Delay
WARTD463-100 4 Pole 63A 100mA A-Type, Time Delay
WARTD480-100 4 Pole 80A 100mA A-Type, Time Delay
WARTD4100-100 4 Pole 100A 100mA A-Type, Time Delay
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