RCR-Tx Earth Leakage Relay

The main advantages of RCR-Tx Earth Leakage Relay are described below:

  • Easy Montage with internal toroidal transformer feature
  • Selectivity with wide current and time adjustment range
  • Test and Reset button

Internal toroidal version of RCR-Td and RCR-Tx series earth leakage relays is an optimum solution because it doesn’t need an extra toroidal transformers. Rail montage type RCR-Td has 28 mm diameter internal toroidal current transformer while, RCR-Tx earth leakage relay has different diameters internal toroidal current transformers from 35 mm to 110 mm. 

It is the essential requirement that to avoid injury, death or fire because of earth leakage faults like system failures, insufficient infrastructures etc.  With one of RCR-Td and RCR-Tx series relay gives a lot of opportunities to use different purposes with adjustable wide current and time ranges. In this case, according to cable diameters chosen, RCR-Tx earth leakage relay is used to prevent different dangerous situations with adjustable parameters (2.5 mA - 25A current, 0.02sec - 5sec time. In here the actual purpose is selecting instrument and adjustments according to system. The purpose is not only to protection with disconnecting the system, but also prevent irreversible dangerous situations than may occur in future. 

High-power devices may produce high leakage current in normal operating conditions and wrongly set leakage level may cause to open circuit very often. With wide current limit range, RCR-Tx earth leakage relay can protect these high-power instruments with their normal earth leakage values. 

With the automatic reset option, the system can be connected and energized by itself. By the help of the test button, earth leakage relay functionality can be tested and with reset button the relay may command circuit breaker to close again and energize the system. 

RCR-Tx Earth Leakage Relay | Technical Features

RCR-Tx Earth Leakage Relay | Adjustment Ranges

RCR-Td and RCR-Tx series earth leakage relays adjustment ranges are listed like below:

  • Current : 25 mA – 25 A 
  • Time : 0.02 s – 5 s

RCR-Tx Earth Leakage Relay | Basic Features

Basic Features of RCR-Td and RCR-Tx series earth leakage relay:

  • Auxiliary Supply range 110/230/415 Vac, 1x24/48 Vdc 
  • 1x5 A (250 V) Relay output
  • Test ve Reset Buttons
  • -10°C … +60°C wide working range

RCR-Tx Earth Leakage Relay | Models and Options

  Montage Supply Current Range Time Range Relay output
RCR-Td Rail Mounting 24/48 Vdc
110/230/415 Vac
25mA - 25A 0,02sn. - 5sn 5A (250V)
RCR-Tx Panel Mounting 24/48 Vdc
110/230/415 Vac
25mA - 25A 0,02sn. - 5sn 5A (250V)

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