Myers Emergency Power Systems, LLC
44 S. Commerce Way
Bethlehem PA 18017
610-868-3500 ǀ www.MyersEPS.com
MODEL RLY-SW-2 INSTALLATION INSTRUCTIONS
IMPORTANT SAFEFGUARDS
WHEN USING ELECTRICAL EQUIPMENT, BASIC SAFETY PRECAUTIONS SHOULD ALWAYS BE
FOLLOWED. THESE INCLUDE:
READ AND FOLLOW ALL SAFETY INSTRUCTIONS
1. This product can be used with LED, ballast, tungsten, and general use loads.
2. Make sure all connections are in accordance with the National Electrical Code and local regulations.
3. To reduce the risk of electric shock, disconnect both normal and emergency power supplies before servicing.
4. This product is intended to be used to control indoor and outdoor located loads.
5. An unswitched AC power source is required (120-240VAC/ 277VAC).
6. Do not install near gas or electric heaters.
7. Do not attempt to service a sealed Emergency Power Control. If it is malfunctioning, return to the manufacturer,
Myers Emergency Power Systems, LLC, 44 S. Commerce Way, Bethlehem, PA 18017.
8. The use of accessory equipment is not recommended by the manufacturer and may cause an unsafe condition.
9. Do not use this product for other than intended use.
10. Servicing should be performed by qualified service personnel.
11. Equipment should be mounted in locations and at heights where it will not readily be subjected to tampering by
unauthorized personnel.
SAVE THESE INSTRUCTIONS
5-Year Limited Warranty
Myers Emergency Power Systems, LLC warrants to the original purchaser/users for the published warranty period
from the date of shipment that should Myers EPS equipment prove defective by reason of improper workmanship or
material, Myers EPS will repair or replace the same equipment without charge. This warranty does not cover defects
or malfunctions arising from improper installation, operation, repair or neglect, accident, or abuse. Myers EPS will
honor its warranty provided the equipment has not been physically damaged or improperly installed or connected. To
obtain warranty/repair within the warranty period, the defective product should be shipped freight prepaid to the
address at the bottom of this document. To the extent permitted by applicable law, all warranties extending beyond
repair or replacement as described above are disclaimed. This includes implied warranties of merchantability and
fitness for a particular purpose. Where applicable law prohibits disclaimers or the implied warranties of
merchantability and fitness, those warranties are limited to 12 months from date of shipment. Myers EPS provides a
90-day money back guarantee if equipment does not perform in accordance with the Myers EPS published
specifications. The liability of Myers EPS and its agents under all warranties is limited to repair and replacement as
described herein and under no circumstances shall there be liability for any other kind of loss, damage, or labor—
either consequential or for injury to a person or property or otherwise.
Electrical Specifications
120-240/277V Sensing Input
20 Amp Ballast Load Rating (120-277V)
20 Amp General Use Rating (120-277V)
1200W Incandescent Load Rating (120V)
1500W Incandescent Load Rating (277V)
Normally Closed Output Contact
UL924 Listed (U.S. UL/cUL)
Mechanical Specifications
Mounts in 4-11/16” Junction Box with Extension Box
Use single gang plaster ring or blank cover
Suitable for installation in the plenum
Tested to UL2043 UL94-
Shipping Weight: 8 oz Color : White
Temperature: -10°C-60°C (14°F - 140°F)
Flush Mounted Size: 4-1/2” x 2-3/4” x 1/4”
Body Size: 2-7/8” x 1-3/4” x 1-7/32”
