EFS Series tumbler switches prevent inflammation of dangerous atmospheres by restraining whichever sparking within enclosures. Device is blocked in either the on position or the off position.
Technical specifications:
The APPLETON EFSC175-F1 created to prevent sparking of enclosed-type switches in the inflammable atmospheres during on/off functioning of lighting and luminous intensity loads.
For use in arranged fields where inflammable fumes, gases or highly combustible dusts are present.
This tumbler switch is perfect for chemicals and petrochemicals producers, oil refineries, alumina plants and other downstream industries.
The APPLETON EFSC175-F1 has viscous iron body frame and cover, nylon 6/6 handle and rustproof steel bolts.
Available 1- or 2-gang body frames and covers, optional in copper free aluminum.
Lock out allowance threaded rustproof steel handle core answer the explosion-proof criteria.
In this tumbler switch you can choose the front operated or side operated arm handle, each of them can be locked in the on- or off-position.
Rustproof steel hex head cap bolts fit flush to the installation cover for the fire resistant frame.
Smooth, mate surfaces assure fire-proofed junction between the cover and installation enclosure.
20 Amp and 30 Amp items accessible for use with 120-277 Vac.
The contact configuration of the APPLETON EFSC175-F1 is 1 pole. Also this switch has single gang box, 3/4 inch hub size and feed through.
The advantages of the tumbler switch the APPLETON EFSC175-F1 are dust ignition proof, flame-ignition and explosion proof.
This switch is applied for lighting systems, motor-generator sets, conveyors, heating apparatus, air conditioners, air supplies, pumps and compressors.
The APPLETON EFSC175-F1 is available for use in Class I, Division 1 and Group B, if used with external seals.
