EPSW-1PH-20
Larson Electronics, LLC
Phone: (800) 369-6671
Fax: (903) 498-3364
www.larsonelectronics.com
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of
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Single Phase Explosion Proof Switch
Non Fused - 2-Pole - 20 Amps - Lock Out / Tag Out
Instruction Manual
Thank you for your purchase of the Larson Electronics
EPSW-1PH-20
.
WARNING:
READ CAREFULLY BEFORE INSTALLING FIXTURE. RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE.
CRITICAL SAFETY INSTRUCTIONS:
•
INSTALLATION SHOULD ONLY BE CONDUCTED BY A QUALIFIED ELECTRICIAN IN ACCORDANCE WITH NEC AND ANY
RELEVANT LOCAL BUILDING CODES.
•
RISK OF FIRE OR ELECTRIC SHOCK. FIXTURE INSTALLATION REQUIRES KNOWLEDGE OF
FIXTURE'S
ELECTRICAL
SYSTEMS. IF NOT QUALIFIED, CONTACT A QUALIFIED ELECTRICIAN.
•
BE CERTAIN ELECTRICAL POWER IS OFF BEFORE AND DURING INSTALLATION AND MAINTENANCE.
•
MAKE SURE THE SUPPLY VOLTAGE IS THE SAME AS THE
FIXTURE'S
RATED VOLTAGE.
•
TO PREVENT WIRING DAMAGE OR ABRASION, DO NOT EXPOSE WIRING TO EDGES OF SHEET METAL OR SHARP
OBJECTS. SUITABLE FOR DAMP LOCATIONS.
WARNING
TO AVOID THE RISK OF FIRE, EXPLOSION OR ELECTRIC SHOCK, THIS PRODUCT SHOULD BE INSTALLED,
INSPECTED AND MAINTAINED BY A QUALIFIED ELECTRICIAN ONLY, IN ACCORDANCE WITH ALL
APPLICABLE ELECTRICAL CODES.
TO AVOID ELECTRIC SHOCK:
•
BE CERTAIN ELECTRICAL POWER IS OFF BEFORE AND DURING INSTALLATION AND MAINTENANCE.
•
PRODUCT MUST BE CONNECTED TO A WIRING SYSTEM WITH AN EQUIPMENT-GROUNDING
CONDUCTOR.
TO AVOID EXPLOSION:
•
MAKE SURE THE SUPPLY VOLTAGE IS WITHIN THE VOLTAGE RATING.
•
ENSURE THE MARKED T RATING IS LESS THAN THE IGNITION TEMPERATURE OF THE HAZARDOUS
ATMOSPHERE.
•
DO NOT OPERATE IN AMBIENT TEMPERATURES ABOVE THOSE INDICATED ON THE PRODUCT
NAMEPLATE.
•
DO NOT OPERATE IF THE LENS, CORD, SEALS, HOUSING, RECEPTACLES, ETC. IS CRACKED OR
DAMAGED. IF SO, DISCONTINUE USE AND CONTACT MANUFACTURER FOR REPLACEMENT PARTS.
•
ALL FASTENERS SHOULD BE PROPERLY SEATED.
IMPORTANT SAFEGUARDS; READ AND FOLLOW ALL SAFETY INSTRUCTIONS.
1)
Do not use this equipment other than the intended use as
specified on the equipment nameplate.
2)
Turn
OFF
the supplying circuit before beginning installation
or performing any maintenance.
3)
Service should be performed by qualified service personnel.
4)
All installations must comply with the applicable local and/or
National Electrical Code.
(Note: In the orientation of the enclosure (box & cover), the “TOP” is considered to be at the location of the cast-in part
numbers.)
The EPSW-1PH-20 from Larson Electronics is a 480V AC explosion proof switch with a 20 amp and 5 horsepower
rating. This explosion proof switch is rated explosion proof for Class I Divisions 1 & 2 Groups B, C and D, Class II
Divisions 1 & 2 Groups E, F and G, and Class III environments. This unit is available with multiple hub options including
1" and 3/4" NPT hub sizes. The EPSW-1PH-20 can be used in hazardous work locations both indoors and outdoors and
can also be used in areas where frequent washdowns, heavy rain or water spray occur.