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  2. UE Controls J40 series skeleton Pressure and vacuum switches Model 256-274

UE Controls J40 series skeleton Pressure and vacuum switches Model 256-274

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The J40 can be utilized in OEM applications where compact
size and performance are required.

  • Pressure parameters .

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United Electric Controls
Interruptores de presion, interruptores de temperatura, Termocuplas, RTDs, transmisores de temperatura y presioón, detección de gases

The sealed bellows
sensor provides a “leak-free” sensor for applications where elastomers are unacceptable. Proven reliability involving
sterilizers, plasma-cutting, anesthesia equipment, and even protective switching devices for power equipment, have made the J40 a versatile OEM pressure switch.

Parameters available in the datasheet of the documents section


Specifications for UE Controls J40 series skeleton Pressure and vacuum switches Model 256-274

Pressure parameters . 256 -Set Point Range: 0 to 30 psi /Deadband: 1.5 to 2.5 psi / Proof pressure: 45 psi or 260 -Set Point Range: 0 to 60 psi /Deadband: 1.5 to 4 psi / Proof pressure: 90 psi or 262 -Set Point Range: 0 to 90 psi /Deadband: 1.5 to 4 psi / Proof pressure: 135 psi or 266 -Set Point Range: 0 to 100 psi /Deadband: 2 to 4 psi / Proof pressure: 150 psi or 271 -Set Point Range: 0 to 240 psi /Deadband: 2 to 5 psi / Proof pressure: 330 psi or 274 -Set Point Range: 0 to 300 psi /Deadband: 4 to 6 psi / Proof pressure: 350 psi
  •  Sealed metal bellows sensor
  • Brass or phosphor bronze wetted material
  • Compact size
  •  Easy external adjustment
  • Optional adjustable deadbandswitch
  • UL recognized for the US and Canada; CE compliant to LVD & PED.


  • Ambient temperature limits -40 to 160°F (-40 to 71°C)
  • Shock Set point repeats after 15 G, 10 millisecond duration
  • Vibration Set point repeats after 2.5 G, 5-500 CPS
  • Enclosure classification Not applicable
  • Set point repeatability ± 1% of full scale range
  • Switch output One SPDT; switch may be wired “normally open” or “normally closed”
  • Electrical rating 15 A 125/250 VAC resistive. Electrical switches have limited DC capabilities. Consult UE for additional information.
  • Enclosure Skeleton construction
  • Weight Approx. 4 oz.
  • Electrical connection Direct to switch terminals
  • Pressure connection Models 218-230: 1/4” NPT (female);
  • Models 256-274: 1/8” NPT (male)
  • Mounting Via NPT pressure connection


UE declarations and third-party issued Agency certifications are available for download at www.ueonline.com/prod_approval.

United States and Canada

  • UL Recognized, cUL Recognized
  • UL 508; CSA C22.2 No. 14, file #E42272
  • Canadian Registration Number (CRN): Refer to www.ueonline.com/certifications for list of approved models

EUROPE

  • Low Voltage Directive (LVD) (2006/95/EC)
  • UEC Compliant to LVD
  • Products rated lower than 50 VAC and 75 VDC are outside the scope of the LVD
  • The Low Voltage Directive does not apply to products for use in hazardous locations

Pressure Equipment Directive (PED) (97/23/EC)

  • Compliant to PED
  • Products rated below 7.5 psi are outside of the scope of the PED


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UE Controls J40 series skeleton Pressure and vacuum switches Model 256-274