Mars ECNR60 Fuse Cartridge 60 M82043

The Mars M82043 is a 60 amp cartridge fuse cross-referenced to the ECNR60, supplied as a time delay device for motor branch circuits and mechanical equipment protection.

Time delay operation allows the fuse to carry the inrush current drawn during compressor and motor starting without opening, while responding promptly to sustained overload and short circuit conditions. Motors draw locked rotor current several times running current for the first moments of a start, and a fuse without delay characteristics either opens on every start or, if oversized to prevent that, no longer protects the conductors and windings.

Because a time delay fuse can be sized near the running load, it provides genuine protection against the failure modes that destroy motors: bearing seizure, capacitor failure, mechanical obstruction, winding faults, and loss of a phase on three phase supplies.

At 60 amps, this rating typically serves larger residential condensing units, light commercial packaged equipment, and commercial refrigeration compressor circuits.

Applications include fused disconnects at outdoor condensing units and heat pumps, refrigeration equipment protection, motor branch circuits, and general equipment feeders in fused distribution.

The cross-reference to ECNR60 indicates dimensional and performance equivalence with that industry designation, which simplifies stocking and replacement where either part is called out.

Verify voltage rating, class designation, amperage, and body dimensions against the fuse being replaced and the disconnect clips. Inspect the clips for heat damage and adequate spring tension, since poor contact is a common cause of repeat failures. De-energize and lock out before servicing.

Brand

Mars

SKU

M82043

Category

Fuses

Weight

0.12 lbs

Dimensions

3.00" x 0.81" x 0.81"

Price

$34.00

Availability

In stock

Rating

0 / 5.0