Switching Function

Switch Adjustable Range

Process Connection

Electrical Connection

NOSHOK, Inc.

300 Series Mechanical Compact Single Pole Double Throw (SPDT) Pressure Switches with Adjustable Hysteresis

Collection image

Series Overview

  • Switch adjustment ranges from vacuum through 4,600 psig
  • Standard Zinc-nickel with NBR diaphragm wetted parts
  • SPST or SPDT snap-action switch with solid Silver contacts
  • CE compliant to suppress Radio Frequency Interference (RFI), Electromagnetic Interference (EMI) and Electrostatic Discharge (ESD)
  • RoHS compliant
Part NumberSwitching FunctionSwitch Adjustable RangeElectrical ConnectionProcess Connection
300H-2-2-100/220-66 SPST, Normally closed 100 to 220 psig Deutsch Integral 2-Pin Male (DT04-2P) 1/4" NPT Male
300H-2-2-450/4600-66 SPST, Normally closed 450 to 4,600 psig Deutsch Integral 2-Pin Male (DT04-2P) 1/4" NPT Male
300H-2-2-300/3600-66 SPST, Normally closed 300 to 3,600 psig Deutsch Integral 2-Pin Male (DT04-2P) 1/4" NPT Male
300H-2-2-145/1750-66 SPST, Normally closed 145 to 1,750 psig Deutsch Integral 2-Pin Male (DT04-2P) 1/4" NPT Male
300L-2-2-30/290-66 SPST, Normally closed 30 to 290 psig Deutsch Integral 2-Pin Male (DT04-2P) 1/4" NPT Male
300H-2-2-145/1160-66 SPST, Normally closed 145 to 1,160 psig Deutsch Integral 2-Pin Male (DT04-2P) 1/4" NPT Male
300H-2-2-145/435-66 SPST, Normally closed 145 to 435 psig Deutsch Integral 2-Pin Male (DT04-2P) 1/4" NPT Male
300H-2-2-300/2900-66 SPST, Normally closed 300 to 2,900 psig Deutsch Integral 2-Pin Male (DT04-2P) 1/4" NPT Male
300H-3-2-450/4600-110 SPDT 450 to 4,600 psig Weatherpack Tower, 3-Pin Female, Attached to 18 in. 1/4" NPT Male
300H-3-2-450/4600-8 SPDT 450 to 4,600 psig DIN EN 175301-803 Form A 1/4" NPT Male
300H-3-2-450/4600-36 SPDT 450 to 4,600 psig 3 ft Integral Cable 1/4" NPT Male
300H-3-2-450/4600-25 SPDT 450 to 4,600 psig M12 x 1 4-Pin 1/4" NPT Male
300H-3-2-450/4600-101 SPDT 450 to 4,600 psig Deutsch 3-Pin Male (DT04-3P), Attached to 18 in. Cable 1/4" NPT Male
300H-3-2-450/4600-104 SPDT 450 to 4,600 psig Deutsch 3-Pin Female Socket (DT06-3S), Attached to 18 in. 1/4" NPT Male
300H-3-2-450/4600-111 SPDT 450 to 4,600 psig Weatherpack Tower, 3-Pin Male, Attached to 18 in. 1/4" NPT Male
300H-3-2-300/3600-104 SPDT 300 to 3,600 psig Deutsch 3-Pin Female Socket (DT06-3S), Attached to 18 in. 1/4" NPT Male
300H-3-2-300/3600-36 SPDT 300 to 3,600 psig 3 ft Integral Cable 1/4" NPT Male
300H-3-2-300/3600-101 SPDT 300 to 3,600 psig Deutsch 3-Pin Male (DT04-3P), Attached to 18 in. Cable 1/4" NPT Male
300H-3-2-300/3600-110 SPDT 300 to 3,600 psig Weatherpack Tower, 3-Pin Female, Attached to 18 in. 1/4" NPT Male
300H-3-2-300/3600-111 SPDT 300 to 3,600 psig Weatherpack Tower, 3-Pin Male, Attached to 18 in. 1/4" NPT Male