LINAM MR

Manual Reset Fault Indicator

The LINAM MR is a portable manual reset fault indicator and troubleshooting tool for overhead and underground applications up to 38 kV. It is made of a purely magnetic circuit that trips on the magnetic fields generated by the fault current. The MR is fault-powered and does not require a battery or system load current or voltage to operate.

The MR is designed to be a portable fault detection tool for line crews to use after an outage occurs to pinpoint fault location when manually reenergizing the circuit.

At the nominal factory-set trip rating, the MR has a response time of 12 ms. The display has a reflective, highly visible red target (tripped) and white target (reset) to indicate the fault status. The MR is secured to the line using over-center toggle clamps and can be applied or removed with a hot stick. The hermetically sealed, ultrasonically welded housing and stainless steel, vinyl-coated clamping mechanisms make it suitable for use in submersed and corrosive environments.

A button reset option is available to simplify reset without removing the MR in underground applications.

Test and Reset Tools for Fault Indicators

Starting At

$53

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Safe and efficient reclosing—After a fault occurs, you can use the MR to determine the location and confirm the fault clearance before manually reclosing. This avoids costly repetitive refusing and resectionalizing.

Versatile application—The MR works with overhead covered or bare conductors and underground cables in distribution systems up to 38 kV.

Convenient—The MR is available in a convenient kit to keep on a truck. The kit includes three MRs and a Manual Reset Tool in a sturdy, lightweight carrying case.