Larson Electronics EPSW-1PH-20 Bedienungsanleitung
EPSW-1PH-20
Larson Electronics, LLC Phone: (800) 369-6671 Fax: (903) 498-3364 www.larsonelectronics.com 1of 2
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 BECONDUCTED BY A QUALIFIED ELECTRICIAN IN ACCORDANCE WITH NEC AND ANY
RELEVANT LOCAL BUILDING CODES.
•RISK OFFIRE OR ELECTRIC SHOCK. FIXTURE INSTALLATION REQUIRES KNOWLEDGE OF FIXTURE'S ELECTRICAL
SYSTEMS. IFNOTQUALIFIED, 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 AVOIDTHE RISKOF FIRE,EXPLOSION OR ELECTRIC SHOCK, THIS PRODUCT SHOULD BE INSTALLED,
INSPECTEDAND MAINTAINEDBY A QUALIFIED ELECTRICIANONLY, IN ACCORDANCEWITHALL
APPLICABLEELECTRICAL CODES.
TO AVOIDELECTRIC 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.
EPSW-1PH-20
Larson Electronics, LLC Phone: (800) 369-6671 Fax: (903) 498-3364 www.larsonelectronics.com 2of 2
WIRING
Standard pigtail(flying leads) wiring
We strongly encourage a licensed electrician install this product,in all locations especially in outdoor areas
where weatherproofing may be required. Universal voltage driver permits operation at 120V, 208V, 230V, 480V, or
600V AC.
Warning: Check product label for correct input voltage!
Attach supply line wires to the appropriate light fixture wires as shown
in thediagram
Secure each pair of wires according to the diagram. Utilize ajunction box or
similar device and takeprecautionary steps for weatherproofing all
connectionsif installed in alocation where water may come in contact with the
unit. Ensurethe unit is properly grounded and that wiring is done according to
all local and national electrical/building codes.
•Disconnect power running to the unit and be sure the fixture iscool to the touch.
•Use a non-abrasive cleaning solution to clean the unit.
USE AND CARE
Unauthorized modification may impair the function and/or safety of this device and could affect the life of the equipment.
Always check for damaged or worn out parts before using the device. Store it in a secure place out of the reach of
children when not in use.Inspect for good working condition prior to storage and before re-use.
REPLACEMENT PARTS
The EPSW-1PH-20 is designed to provide years of reliable performance. Should the need for replacement parts arise,
please contact Larson Electronics.
THESE INSTRUCTIONS MAY NOT COVER ALL DETAILS OR VARIATIONS OF THIS PRODUCT FOR YOUR EQUIPMENT OR INSTALLATION REQUIREMENTS.
SHOULD FURTHER INFORMATION NOT COVERED BY THESE INSTRUCTIONS BE REQUIRED, PLEASE CONTACT LARSON ELECTRONICS BY EMAIL AT
SALES@LARSONELECTRONICS.COM OR BY PHONE AT 1-800-369-6671 FOR FURTHER ASSISTANCE.
PLEASE VISIT LARSONELECTRONICS.COM FOR WARRANTY AND RETURN INFORMATION.
MAINTENANCE
There are no serviceable parts inside the fixture. However, itis good practice to routinely clean and check the
fixture for proper function.
INSTALLATION:
1) Install non-fused disconnect of your choice on din rail and align per instructions on page 3.
2) Install the two end blocks (provided) onto the din rail. Secure the blocks permanently on both sides of disconnect
by using a screw driver and tightening the recessed screws.
3) Cut “square shaft” provided, to the over-all length dimension shown in the chart on page 2, for the specific device
being used. (NOTE: smooth out the cut edge of the shaft)
4) Insert “square shaft bracket” into disconnect device interface opening per the orientation shown in the
picture on page 2.
5) Insert thecut shaft thru the square hole in the bracket, allowing it to rest at the bottom of the device interface
opening and in the orientation shown in the picture on page 2.
6) Terminate incoming cables to the line and load side of disconnect (field installation only).
7) Assemble cover on box making certain that the cross pinin the square shaft is engaged in the slot of the
operator in cover.
8) Tighten cover bolts.
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