Pressure Switch

Features

Specifications

• End Application:
  Cvn nuclear reactor boundary area
• Contact Load Current Rating:
  4.0 amperes resistive load single voltage
• Contact Voltage Rating In Volts:
  440.0 ac at sea level single voltage
• Part Name Assigned By Controlling Agency:
  Pressure switch
• Federal Supply Class (fsc):
  Switches
• National Stock Number (nsn):
  5930-01-549-6032
• Special Features:
  222-10 model nb-4 pressure control switch unit 2221901 nb-4, range 5 to 75 psi; single pole, single throw, normally closed contacts set to open on rising fuel pressure (15 psi) min. Differntial. Pressure connection 7/16-20 straight thread with 222289, 5 watt, 7000 ohm resistor