J. E. Miller, Inc.
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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.
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.
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).
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.
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.
Series Proof Operating Series Pressure PSI Limits PSI Differential PSI* - 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.
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
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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