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Pressure switch

The KP pressure switches can be used as safety

switches against too low a suction pressure

and / or too high a discharge pressure in

refrigeration and air conditioning systems. They

can also be used to start / stop compressors

and fans for air-cooled condensers.

They are available in both single and dual

versions and include a single pole double

throw (SPDT) switch.

Features:

• Ultra-short bounce time thanks to snap-

action function (reduces wear to a minimum

and increases reliability)

• Available with gold-plated contacts

• SPDT switch design Oers open or close

switching action on pressure rise or fall

• Fail safe double bellows Prevent refrigerant

loss and system contamination - standard on

KP 7 and KP 17 pressure switches

• Convenient manual trip feature To test

electrical contact function - no tools needed

• Pressure wire connectors For easy electrical

wiring

• No spade or lug terminals required

• Integral 1⁄2 NPSM swivel cable connector

Allows direct attachment of 1⁄2 in male pipe

thread connector

• Lockplate Prevents tampering with range and

dierential settings

• Universal mounting hole patterns

AI216886432258en-001101

Data Sheet

Pressure switch

Type KP

Summary of content (10 pages)

PAGE 1
Data Sheet Pressure switch Type KP The KP pressure switches can be used as safety switches against too low a suction pressure and / or too high a discharge pressure in refrigeration and air conditioning systems. They can also be used to start / stop compressors and fans for air-cooled condensers. They are available in both single and dual versions and include a single pole double throw (SPDT) switch.
PAGE 2
Pressure switch, Type KP Product specification Technical data Table 1: Technical data Features Values Ambient temperature -40 – 149 °F (175 °F for maximum 2 hours) LP: MWP = 245 psig Maximum working pressure HP: MWP = 465 psig LP: pe = 285 psig Maximum test pressure HP: pe = 510 psig Switch Single pole changeover switch (SPDT) 120 V AC: 16 FLA, 96 LRA Contact load 240 V AC: 8 FLA, 48 LRA 240 V DC: 12 W pilot duty Terminal D, dual switches 240 V, 50 VA Cable entry Integral 1⁄2 in female NPSM s
PAGE 3
Pressure switch, Type KP Dual (low and high) pressure, LP and HP signal 2 2 1 A2113 1 A2115 Dual (low and high) pressure, LP signal 3 3 5 4 1. Load 4. Wiring instruction 2. LP - signal option 5. HP - signal option 3. Line Low pressure, LP: KP 1 and KP 2 High pressure, HP: KP 5, KP 7W and KP 7B Dual (low and high) pressure: KP 15, KP 17W, KP 17B and KP 25 Dual (low and high) pressure: KP 15, KP 17W, KP 17B and KP 25 Metric conversions 1 psi = 0.
PAGE 4
Pressure switch, Type KP Design Table 4: Design KP 1, KP 2, KP 5 FW FW Pressure switch, type KP KP 1, KP 2, KP 5, KP 15, KP 25, KP 7W, KP 7B, KP 17W, capillary tube FW KP 15, KP 25 flare 1. Low pressure setting spindle, (LP) 12. Switch 2. Differential setting spindle 13. Terminals 3. Main arm 14. Earth terminal 5. High pressure setting spindle, (HP) 15. Cable entry 7. Main spring 16. Tumbler 8. Differential spring 18. Locking plate 9. Bellows 19. Arm 10. LP connection 30.
PAGE 5
Pressure switch, Type KP KP 7W (KP 7B), flare KP 7W (KP 7B), capillary tube KP 17W (KP 17B), flare 1. Pressure setting spindle, (LP) 5. 2. Differential setting spindle 15. Cable entry 3. Main arm 18. Locking plate Pressure setting spindle, (HP) The KP with designations W or B have been tested and approved by TÜV (Germany) in accordance with EN 12263. Versions with designation W will cut in automatically when the pressure has fallen to the setpoint minus the differential.
PAGE 6
Pressure switch, Type KP Test pressure The test pressure is the pressure used in strength tests and / or leakage tests on refrigerating systems or individual parts in systems. The test pressure is designated Pe. “Snap function” A certain contact force is maintained until irrevocable “snap” is initiated. The time during which the contact force approaches zero is thus limited to a very few milliseconds.
PAGE 7
Pressure switch, Type KP Table 6: Capillary tube connection Danfoss 60-991.14 KP 15, KP 17W, KP 17B and KP 25 Danfoss 60-950.13 KP 1, KP 2, KP 5, KP 7W and KP 7B Net weight: KP 1, KP 2, KP 5 and KP 7: approx. 0.7 lbs. KP 15, KP 17 and KP 25: approx. 1.1lbs. Metric conversions: 1 in = 25.5 mm 1 lb = 0.454 kg Table 7: KP switches, rear side Dual switches Danfoss 60-1024.14 Danfoss 60-1023.14 Single switches Table 8: Bracket dimensions Angle bracket Danfoss 60-1011.
PAGE 8
Pressure switch, Type KP Ordering Figure 2: Ordering For R22, R134a, R404A, R407A, R407C, R407F, R422B, R422D, R448A, R449A, R450A, R452A, R507A, R513A For complete list of approved refrigerants, visit www.products.danfoss.com and search for individual code numbers, where refrigerants are listed as part of technical data. Table 9: Ordering Low pressure (LP) Type (1) (2) Pressure High pressure (HP) Reset Code no.
PAGE 9
Pressure switch, Type KP Certificates, declarations, and approvals The list contains all certificates, declarations, and approvals for this product type. Individual code number may have some or all of these approvals, and certain local approvals may not appear on the list. Some approvals may change over time. You can check the most current status at danfoss.com or contact your local Danfoss representative if you have any questions.
PAGE 10
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