Danfoss Type KP35 Pressure switch
Danfoss Type KP1 KP2 KP3 KP35 Pressure Switch

Automatic Pressure Switch KP1/ KP2 / KP5 / KP35 / KP36 Danfoss Alternative Differential Air Pressure Controller Switch for refrigeration air conditioning

This pressure switch is designed for automatic pressure control in air conditioning and refrigeration systems. It offers an adjustable range from 0.1(1) to 1(10), ensuring precise and stable regulation under varying conditions.

The SPC series pressure control is designed to protect compressors in refrigeration and air-conditioning systems by preventing damage caused by insufficient suction pressure or excessive discharge pressure.

  • Capable of starting or stopping refrigeration compressors and air condenser fans

  • Supplied with a standard mounting bracket for easy installation

  • SPDT switch ensures reliable and stable switching

  • Suitable for use with fluorinated refrigerants, air, and water

  • Allowable fluid temperature range: –10℃ to +100℃

Adjustable range
(bar)		 differential
(bar)		 Factory settings
(bar)		 Maximum operating pressure (bar)
minute. Maximum. minute. Maximum. leave exist
-0.5 2 0.2 0.7 1 0.5 16.5
-0.5 3 0.35 1.5 2 1 16.5
-0.5 6 0.6 4 3 2 16.5
-0.5 6 Reset pressure difference ≤ 1 bar 3 Manual reset 16.5
-0.2 7.5 0.7 4 3 2 20
1 10 1 3 6 5 16.5
2 14 1 4 10 8 20
3 16 1 4 10 8 Thirty-five
5 20 2 5 16 Thirteen Thirty-five
8 thirty Fixed at 3 to 5 20 15~17 Thirty-five
8 thirty Reset differential 20 Manual reset Thirty-five
5 thirty 3 10 20 15 Thirty-five
8 32 2 6 20 17 Thirty-five
8 thirty 4 10 thirty 25 46.5
Medium Refrigerant, air, water, oil
Medium temperature -10°C – 120°C
connect 7/16-20UNF,  1/4NPT/BSP/G
Other connections available on request
Contact Arrangement Single-pole double-throw
Current and voltage 8A@24VDC
20A@125VAC，10A@250VAC
Rated current: 15A@125VAC, 8A@250VAC
Linear resistance: 72A@125VAC, 64A@250VAC
Type SPC110 / KP1 KP2 KP3 KP35
PRESSURE SWITCH SIZES