Live circuit warning indicators save lives

NHP Electrical Engineering Products Pty Ltd
Monday, 01 August, 2022

REMLIVE electrical safety positive isolation or live line indicators (RL24IC) have kept workplaces in New Zealand and Australia safe for more than a decade. This indicator provides a visual reminder that a circuit is live, which reduces the risk of accidents, protects assets, speeds up the fault-finding process and ultimately saves lives.

The primary function of a REMLIVE positive isolation or live line indicator is to provide visual confirmation of correct isolation. The REMLIVE product is typically connected to the outgoing side of the isolation point and between the load so that the user performing the isolation check can view the positive change of state after isolation. This is important as even after the isolation has occurred, hazardous voltage levels can still be present in the circuit and be unsafe for the operator exposed to the installation. The REMLIVE product assists by providing a visual indication if hazardous voltage levels are still present or not when an isolator has been switched.

It is important to note that other safety isolation and testing procedures still apply before interfacing with the switchboard or control panel.

The REMLIVE positive isolation/live line indicator is supplied with three major components — a DIN rail mount main panel unit, a door display mount unit, and an RJ45 cable to connect the main panel unit with the door display. The main panel unit is simply mounted to the DIN rail — usually inside the switchboard or control panel assembly — and is typically connected at the load side of the isolating switch. The panel unit connects directly to the door mount display unit via an RJ45 cable, and the main panel and door display units are electrically isolated from one another.

The door display unit is designed to fit through the front of a control panel or switchboard so the user can clearly see the live voltage/isolation status via the LEDs. The bright flashing LEDs on the display unit are designed to attract the user’s attention, indicating that hazardous voltage levels are still present and that no direct contact should be made with equipment in the panel until complete isolation has been established.

All three phases (L1, L2, L3) and neutral are represented individually by LEDs on the display. These can assist with fault-finding and enable the operator to quickly view if the three phases and neutral are live. Low voltage (3.8 V DC) to the door display unit also ensures maximum safety for the operator who comes into contact with the display.

Features of the REMLIVE live line indicator include:

  • Provides visual confirmation of correct isolation
  • A broad range of voltages can be monitored: 24–1000 V AC and 26–1000 V DC
    • 1000 V AC Cat III and 690 V AC Cat IV configurations
    • 1000 V DC Cat III and 600 V DC Cat IV configurations
  • Install in new or existing control panels with ease:
    • 30.5 mm door mount unit
    • 22.5 mm wide DIN-rail mount display unit
  • Compliance with IEC 60204 — Safety of Machines
  • Super bright flashing LEDs to grab users’ attention
  • Consistent flash rate, every second
  • Dual redundant internal surge protection
  • Maintenance-free
  • Fully IP66-certified, ensuring your switchboard maintains its overall ingress protection rating
  • Housed in a robust V0-rated enclosure, selected for its durability, protection, insulation and zero halogen properties.

For more information, please get in touch with your local NHP Account Representative or email us to request a call back.

Australia: 1800 647 647

New Zealand: 0800 647 647

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