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Phone #: (360) 734-3482 • Online Tech Support: tech-support@shopfox.biz • Web: www.shopfox.biz
Figure 1. D4157 ON/OFF Switch.
Padlock
Hole
To reduce risk of serious burns, electrocution or
death when installing this sw itch:
Only use this switch to replace an existing machine
switch that has the same physical configuration
and equivalent electrical specifications/ratings.
• Installation must only be performed by an
electrician or qualified service personnel, and
all applicable electrical codes must be adhered
to.
• Turn OFF and completely disconnect all power
sources to the machine before installing the
switch.
Do not use this switch in wet or damp locations,
or near explosive fumes or flammable liquids. It
is not sealed or rated for these environments.
Make sure there is a verified machine ground on
the circuit this switch is installed.

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The Model D4157 features a recessed START button
that can be disabled with a padlock. It is designed as a
replacement for an existing machine switch with the same
dimensions and technical specifications.

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Rated Voltage ........................................ 120/240V
Rated Horsepower/Current at 120V ............... 2HP/35A
Rated Horsepower/Current at 240V ............... 3HP/20A
Phase ........................................................Single
Padlock Shaft Size ..........................................316"