P70AA-400C MFG #: P70AA-400C
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  • Availability: Available for Delivery
  • Category: Pressure Switch
  • Warehouse Availability: CRNE
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Johnson Controls (Penn) 100 to 470 PSI, 35 to 200 PSI Differential, 1/4" Flare Nut and 36" Capillary, SPST Open Low, NEMA 1, Steel, Electromechanical Pressure Control

The P70, P72, and P170 Controls for low pressure applications are designed primarily for low pressure cut-out control, pump-down control, and capacity control on commercial refrigeration and air conditioning applications. These controls are available in several pressure ranges and are compatible with most common refrigerants. They may also be used on other non-corrosive fluid applications. Ammonia-compatible models are also available. Controls also are available in several different electrical ratings and switch configurations. The P72 models provide direct control of 208 to 240 volt single-phase motors up to 3 horsepower, and 208 to 220 volt three-phase motors up to 5 horsepower. Refer to the P70, P72, and P170 Series Controls for Low Pressure Applications Product Bulletin (Part No. 24-7664-2608) for important product application information.

Features & Benefits

  • Sight-Set Calibrated Pressure Adjustment Displays a Visible Pressure Scale, Fully Adjustable Through the Range without Removing the Cover
  • Manual Reset Lockout Option Provides Trip-Free Low Pressure Lockout that cannot be Overridden or Reset Until Pressure Returns to Specified Level
  • Limited Knob Adjustment Option Restricts Control Adjustment Ranges and Deters Tampering and Over-Adjustment


  • Operating Pressure Rating: 200 to 610 PSI
  • Differential Pressure Rating: 60 to 150 PSI
  • Contact Configuration: SPST (Open High)
  • Contact Rating: 20 Amp at 120 Volt AC/18.7 Amp at 201 Volt AC/17 Amp at 240 Volt AC (Full Load), 120 Amp at 120 Volt AC/112.2 Amp at 201 Volt AC/102 Amp at 240 Volt AC (Locked Rotor), 125 Volt Amp at 120 to 600 Volt AC/57.5 Volt Amp at 120 to 300 Volt DC (Pilot Duty)
  • Connection Type: 1/4 Inch Flare Nut and 36 Inch Cap
  • Enclosure: NEMA 1
  • Enclosure Material: Steel
  • Overall Dimension 4 Inch Width x 2-1/16 Inch Depth x 3-1/4 Inch Height