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Have a live application? Use our United Electric Product Overview and Quick Selection Guide to configure the model and options for your requirement:

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ABLE are United Electric’s Exclusive Representative for Sales and Service in the UK and Ireland and can assist you and your customers in the following areas:

  • Application expertise
  • Our factory trained engineers offer after sales support, service and maintenance (contracts available)
  • Offer advanced United Electric pressure / temperature switch product training, either in-person or via video call.

Further to the above, ABLE can offer custom solutions based on your individual requirements. Email us now at [email protected]

United Electric 24 Series Delta-Pro Differential Pressure Switch

ABLE Instruments are United Electric’s Exclusive Representative for Sales and Service in the UK and Ireland, including the UE 24 Series Delta Pro, a compact economical differential pressure switch for OEMs. United Electric’s 24 Series Delta-Pro differential pressure switch offers a unique blend of small size, excellent performance, environmental protection, long life mechanics, and an attractive price. The precision snap-acting switch and sensitive diaphragms combine to provide a narrow deadband and one-percent span repeatability.


  • For applications involving hot or cool air, water, gas, or oil
  • Space-saving compact size
  • 5-Amp SPDT snap action switch output
  • External stainless steel multi-turn adjusting screw
  • Brass or polysulfone pressure connections
  • Adjustable Ranges: Differential Pressure: 1 to 45 psid (68,9 mbar to 3,1 bar)
  • Repeatability to ±1% full scale range
  • Narrow deadband
  • Force-balanced design for excellent vibration resistance
  • Optional watertight conduit connection
  • UL Listed, cUL certified, CE compliant

Have a particular application / project in mind? We’d welcome a call on +44 (0) 1189 169 420, or email us now at [email protected]

Available with brass or Polysulfone pressure connections, the United Electric Delta-Pro will stand up in the most corrosive applications. A convenient, externally accessible adjustment screw is multi-turn to provide easy set point change. Typical UE 24 Series Delta-Pro applications include filter monitoring and proof-of-flow in wastewater, bioprocessing, food and beverage, HVAC, and gas processing industries.

24 Series Delta-Pro Specifications:

Ambient Temperature
30° to 160°F (-1° to 71°C). Set point typically shifts less than ±0.6% of range for a 50°F (28°C) ambient temperature change; consult ABLE for special ratings
Max Media Temperature
200°F (93°C) at 100 psi working pressure
Set point repeats after 15G, 10 millisecond duration
Set point repeats after 2.5G, 5-500 Hz
Complies with enclosure type 4 requirements for indoor installation with optional water tight conduit connector. Reinforced polyester body, stainless steel cover with gasket
Set Point Repeatability
Typically ± 1% of full scale range
Switch Output
One SPDT snap-action switch; switch may be wired “normally open” or “normally closed”
Electrical Rating
Rated to 5 A resistive and 5 A inductive (75% PF) at 125 VAC and 250 VAC, 1/4 HP; 5 A resistive and 3 A inductive at 30 VDC and 0.5 A resistive and 0.25 inductive at 125 VDC. Gold flash over silver contacts for minimum loads of 5 mA at 6 VDC, 2 mA at 12 VDC and 1 mA at 24 VDC
6.5 oz.
Electrical Connection
7/8″ hole for optional 1/2″ NPT conduit connector. Terminal block with screw terminals. Max wire size 16 AWG
Pressure Connection
Models 013-014: 1/4″ NPT (female) brass; models 011-012: 1/4″ NPS (female) FDA compliant* Udel® polysulfone, non-tapered to minimize connection stress with 1/4″ NPT (male) fittings – max torque is 2-ft.lbs.
Mounting / Installation
Surface mount with two screws through clearance holes, or mount by pressure connections
United States / Canada
UL Listed, cUL Certified
Pressure: UL 508; CSA C22.2 No. 14, File #E42272
Low Voltage Directive (LVD) 2014/35/EU
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) 2014/68/EU
Pressure models only
Compliant to PED
Products rated below 7.5 psi are outside of the scope of the PED
Purchase Product

Price: POA Contact 247ABLE