PROCESSWEST Magazine Online

Non-fused disconnect switch isolator

January 6, 2020   Don Horne


Larson Electronics has announced the release of an explosion-proof, non-fused disconnect switch isolator for use in ATEX rated hazardous environments. This disconnect switch isolator is rated at 63 amps and 415V 50Hz. This unit is ideal for use in flammable and combustible facilities.

The ATEX-EPCS-SS.EP-NFDS-415V-3P-63A-AUX.1-R1 explosion-proof non-fused disconnect switch isolator carries an IP66 flameproof rating and features a 316L stainless steel enclosure with an electropolish finish. This explosion proof disconnect operates on 415V AC 50Hz and features a 3-pole configuration. This unit contains one normally open auxiliary contact.

Larson Electronics’ explosion-proof disconnect is made of 316L stainless steel with a cable gland made of nickel-plated brass. This disconnect can operate in a temperature range of -55˚C to 60˚C and comes with an M6 earthing screw. This unit is suitable for use in Zone 1 and 2 and Zone 21 and 22 rated facilities.

This switch features two M50 and one M20 hubs for completing cable entries. This unit is compatible with surface mount configurations and is suitable for use in chemical plants, petroleum refineries, and other hazardous locations.

Larson Electronics LLC


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