Larson Electronics EXP-RT-3PH-MIN.5-208V Instruction Manual

Class I, II, III - 5-Min Timer, 3PST Switch - NEMA - 208V AC, 3PH
Thank you for your purchase of the Larson Electronics EXP-RT-3PH-MIN.5-208V.
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.
The Larson Electronics EXP-RT-3PH-MIN.5-208V Explosion Proof Timer Switch provides timed controls for equipment in
combustible work sites and locations. Designed to operate on three-phase 208V AC, the 5-minute timer can be configured
using a 3PST switch. Constructed of copper-free aluminum, the unit is NEMA-rated for durability in rugged environments.

WIRING

Standard pigtail(flying leads) wiring
We strongly encourage a licensed electrician install this product
where weatherproofing may be required. Universal voltage driver permits operation at 208V AC.
Warning: Check product label for correct input voltage!
Attach supply line wires to the appropriate light fixture wires as shown
in the diagram 
Secure each pair of wires according to the diagram. Utilize a junction box or
similar device and take
connections if installed in a location where water may come in contact with the
unit. Ensure the unit is properly grounded and that wiring is done according to
all local and national electrical/building codes.
Larson Electronics, LLC
Explosion Proof Timer Switch
Instruction Manual
precautionary steps
Phone: (800) 369-6671
, in all locations especially in outdoor areas
for weatherproofing all
Fax: (903) 498-3364
EXP-RT-3PH-MIN.5-208V
www.larsonelectronics.com
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