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EPSW-1PH-20

Larson Electronics, LLC

 

  Phone: (800) 369-6671 

 Fax: (903) 498-3364 

  www.larsonelectronics.com 

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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.

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