J. E. Miller, INC. Home Page of JE Miller

J. E. Miller, Inc.
747 West Manlius Street
East Syracuse, New York 13057-2177
Phone: (315) 437-6811 Quote: (800) 298-0452
Fax: (315) 463-4597

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The Simple Switch


Model P

General Purpose Pressure Switch

Series P switches are supplied with a cover for dust protection and a "BX" cable fitting to facilitate wiring. All Simple Switches may be ordered factory set, or may be easily adjusted in the field with the special wrench supplied with each switch.


Model C

Chassis Mount

The C model is only 2 1/2" x 1 7/8" x 1 1/4" and is ideally suited to installations inside junction boxes and equipment where space is limited, or where a cover is not necessary. This mount is available on all simple switches.


Model V

Vacuum Series

This V model utilizes the same reliable bourdon tube mechanism as our pressure switches. Specify setting and model PV (with cover) or model V (without cover).


Model R

Reset Switch

The model R is a reset pressure control switch designed for overload protection, cut off, or as a safety switch. Each switch automatically actuates at the pre-set pressure and remains until the button is pressed to reset the switch.


Specifications
Electrical Data
All J.E.Miller Simple vacuum and pressure switches incorporate Underwriter Labs and CSA Electrical Components. The switches are single pole, double throw snap action with screw terminals for connecting wire leads. The rating is 15 amp 15/230/460 V.A.C.

When close differentials (Close differentials are 5lbs. and under) are specified the switch supplied is 10 amp., 115/230/460 V.A.C. Switch life expectancy exceeds one million cycles.


Common Specifications to all Simple Switches
                  Series     Proof            Operating       Series
                          Pressure PSI       Limits PSI   Differential PSI

300 75 2-50 1 301 200 4-100 2.5 302 300 20-200 5 304 1500 200-1000 20 Vacuum 75 4" to 30" HG 2 312* 300 4-150 5
* - This series 312 switch has a stainless steel Bourdon and all parts contacting pressure media are of stainless steel for applications involving corrosive gases and liquids. They are supplied in model P enclosed or model C open type.

Mechanical Data
Pressure connections 1/8" N.P.T. internal, located at bottom of switch enclosure.

Dimensions:
Model P, V, and R have removable cover for wiring and adjustments. Completely enclosed, 3" Dia., 2" high.

Model C open type, 2 1/2" long, 1 7/8" wide, 1 1/4" high.


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