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MPD-DS-WM-FDS Series

 

Fused Disconnect Switch

Wall Mount - NEMA 3R

Instruction Manual

Thank you for your purchase of the Larson Electronics

 MPD-DS-WM-FDS Series fused disconnect switch

.

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.

The Larson Electronics MPD-DS-WM-FDS Series Power Distribution Disconnect Switch is designed for reliable, safe and 

convenient power distribution at industrial work sites. Designed for wall mounting installations, the disconnect switch is 

protected by a NEMA 3R rated, steel enclosure with a ventilated design.

Mounting Holes

MOUNTING

The Larson Electronics MPD-DS-WM-FDS Series Power Distribution Non Fused Disconnect 

Switch is designed for wall mounting applications. There are flanges at top and bottom on the 

back of the enclosure, allowing the switch to be mounted to any flat surface that is capable of 

supporting the load. 

C

hoose a sturdy location, and secure the unit to the wall

/surface

 using 

appropriately sized hardware for the pre-drilled mounting holes on the flanges of the enclosure. 

Always follow all applicable local and national electrical and building codes when 

installing this unit. 

Note: Consider your plans for bringing in supply power

and running secondary power when mounting, and be 

sure to leave clearance for all necessary wiring and 

operations, as well as for opening the door. 

Wiring

Only a licensed electrician should install this product, in all locations, especially in outdoor areas where 

weatherproofing may be required.
Note: Always check product nameplate or labeling for voltage ratings! Follow all applicable local and National 

Electrical and building code when installing.

There are two types of installation methods: Conduit installation or cable installation. If the enclosure is complete with 

factory installed entry hardware, run all your wiring through entry hardware and refer to the wiring diagram included with 

your unit for completing wiring connections. 

If the enclosure does not include entry hardware, select the appropriate hubs or cable connectors and install them

 per the 

IOM included with the hardware.

Installation of approved conduit hubs or cable connectors

CAUTION: FIELD INSTALLED OPENINGS:

 

For field-installed openings, use a h

ole saw, metal drill bit,

 or pneumatic type punch

 to create an appropriately sized hole 

for mounting your selected hardware

. Always wear safety glasses and protective clothing when working.

Larson Electronics, LLC

 

Phone: (877) 348-9680

 Fax: (903) 498-3364 

  www.larsonelectronics.com 

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