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Obsolete Switches

Neo-Dyn obsolete switches feature a negative rate Belleville spring snap acting device which offers greater set point stability, vibration resistance, over-pressure capability and cycle life. They are listed here for "in-field" support ONLY. They are not available for order.

Our General Purpose and Hazardous Area switches (listed below) are catagorized by NEMA standards. Click on either the product image or the product description to view the switch datasheet.

100PV NEMA 4 & 13

[ Obsolete ] Series Pressure Switch/Internal Adjustment - This weather-proof pressure switch is designed for low pressure applications.

 Download      [94 kB]
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110P NEMA 4 & 13

[ Obsolete ] Series Pressure Switch/Internal Adjustment - This weather-proof pressure switch is designed for low pressure applications.

 Download      [111 kB]
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119P

[ Obsolete ] A field adjustable pressure switch for low- to mid-range process applications. The Series 119P, which utilizes a Tri-Clamp® compatible process connection, is an ideal pressure switch for bioprocess and other sanitary applications.

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132D NEMA 7 & 9

[ Obsolete ] Series Pressure Switch/Dual Set Point (Explosion Proof) The 132D dual adjustable set point pressure switch is designed for high pressure pneumatic and low impulse hydraulic process applications.

 Download      [95 kB]
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140P NEMA 4 & 13

[ Obsolete ] Series Pressure Switch/Internal Adjustment. Compact and adjustable pressure switch intended for machine tool use. Low cost item used extensively on widely varying pneumatic applications. Excellent set point stability and vibration resistance.

 Download      [93 kB]
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155P/155PP NEMA 4 & 13

[ Obsolete ] Series Differential Pressure Switch. The 155P is a mid range differential pressure switch.

 Download      [89 kB]
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155P/155PP NEMA 7 & 9

[ Obsolete ] Series Differential Pressure Switch. The 155P is a mid range differential pressure switch.

 Download      [89 kB]
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158F

[ Obsolete ] Series Liquid Flow Switch. This factory set/tamper proof switch is for coolants, oil and fuel flow applications. Its hermetically sealed electrical assembly makes it ideally suited for hazardous or corrosive environments.

 Download      [93 kB]
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160P Division 2

[ Obsolete ] Series Differential Pressure Switch. The 160P is a mid range adjustable differential pressure switch.

 Download      [113 kB]
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163P

[ Obsolete ] Series Differential Pressure Switch. Hermetically sealed defferential pressure switch.

 Download      [88 kB]
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164P NEMA 4 & 13

[ Obsolete ] Series Differential Pressure Switch. Sensitive, compact, factory set/tamper proof differential pressure switch.

 Download      [87 kB]
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164P NEMA 7 & 9

[ Obsolete ] Series Differential Pressure Switch. Sensitive, compact, factory set/tamper proof differential pressure switch.

 Download      [87 kB]
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174P Division 2

[ Obsolete ] Series Pressure Switch/Internal Adjustment. The 174P is factory set/tamper proof rugged all 316 stainless stell construction "Nega-Rate" Belleville spring pressure switch. Hermetically sealed enclosure.

 Download      [328 kB]
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184P NEMA 4 & 13

[ Obsolete ] Series Vacuum Switch. Sensitive, compact, factory set/tamper proof vacuum switch.

 Download      [85 kB]
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185P NEMA 4 & 13

[ Obsolete ] Series Vacuum Switch. Compact, tamper proof vacuum switch.

 Download      [90 kB]
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185P NEMA 7 & 9

[ Obsolete ] Series Vacuum Switch. Compact, tamper proof vacuum switch.

 Download      [85 kB]
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200P Division 2

[ Obsolete ] Series Pressure Switch/Internal Adjustment. The 200P (Explosion Proof) is for hydraulic applications up to 10,000 psig.

 Download      [103 kB]
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200PV NEMA 4 & 13

[ Obsolete ] Series Air Relay Pressure Switch. The 200PV is especially suited for hydraulic to pneumatic interface applications.

 Download      [92 kB]
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240P NEMA 4 & 13

[ Obsolete ] Series Pressure Switch/Internal Adjustment. Compact and adjustable pressure switch intended for machine tool use. Low cost item used extensively on widely varying pneumatic applications. Excellent set point stability and vibration resistance.

 Download      [92 kB]
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801EP Smart Switch

[ Obsolete ] The Neo-Dyn® 801EP Smart Switch™ is a solid state pressure switch in an all metal "NEMA 4X" rugged construction and enclosure ensures environmental protection and compatibility is designed for a wide range of applications involving pneumatic and low impulse hydraulics up to 6000 psig system pressures. Pressure is indicated continuously in psig unless the Display Saver feature is utilized.

 Download      [85 kB]
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801P Smart Switch

[ Obsolete ] The Neo-Dyn® 801P Smart Switch™ is a solid state pressure switch designed for a wide range of applications involving pneumatic and low impulse hydraulics up to 3000 psig system pressures. Pressure is indicated continuously in psig unless the Display Saver feature is utilized.

 Download      [97 kB]
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