Danfoss KP 1E, KP 6EW, KP 6EB, KP 7EW, KP 7EB Data sheet

Data sheet
Pressure switch Type KP-E
KP-E pressure switches for use in refrigeration and air conditioning systems are equipped with SPDT gold plated contacts and stainless steel bellows.
The high pressure switches are equipped with failsafe double bellows, whereas the low pressure switches are equipped with reduced bellow travel to enhance bellows life time. KP-E pressure switches are used to protect against excessively low suction pressure or excessively high discharge pressure.
The units are designed to operate in explosive zones acc. to 2014/34/EU, Atex directive, explosive zone 2, surface equipment, category 3. KP-E pressure switches for HCFC, HFC and HC refrigerants are equipped with ¼ in solder connection to ensure a hermetic installation.
Features • Ultra-short bounce time thanks to snap-action
function (reduces wear to a minimum and increases reliability)
• Manual trip function (electrical contact function can be tested without the use of tools)
• Vibration and shock resistant
Approvals
CE-marked in accordance with EN 60947-4/-5 (for sale in Europe) CE marked in accordance with PED 2014/68/EU, category IV, safety equipment
• Compact design
• Bellows without any welding points
• Stainless steel bellows
• High reliability both electrically and mechanically
Ex II 3G Ex ic IIB T6 Gc in accordance with 2014/34/EU Atex directive
© Danfoss | DCS (rm) | 2019.11
DKRCC.PD.CD0.1B.02 | 1
Data sheet | Pressure switch, type KP-E
Technical data
Ambient temperature -20 – 60 °C
KP 1E: PS / MWP = 17.0 bar *
Max. working pressure
Max. test pressure
Cable connection Pg 13.5 screwed cable entry for 6 – 14 mm cable
Contact rating
solid / stranded 0.75 – 2.5 mm
Wire dimensions
Tightning torque max. 2 Nm Rated impulse voltage 4 kV Pollution degree 3 Short circuit protection, fuse 10 A Insulation 400 V Enclosure IP30 / IP44
*
 Low pressure protection
flexible, without ferrules 0.7 – 2.5 mm flexible, with ferrules 0.7 – 2.5 mm
KP 6EW, KP 6EB: PS / MWP = 46.5 bar KP 7EW, KP 7EB: PS / MWP = 32 bar KP 1E: Pe = 20 bar KP 6EW, KP 6EB: Pe = 46.5 bar KP 7EW, KP 7EB: Pe = 35 bar
Pi max: 1 W Ui max: 30 V Ii max: 0.1 A Ci max: 0.5 nF Li max: 0.2 H
2
2
2
Enclosure
IP30 to EN 60529 / IEC 529 Enclosure IP30 is obtained when the units without top cover are mounted on a flat surface or bracket. The bracket must be fixed to the unit so that all unused holes are covered.
IP44 to EN 60529 / IEC 529 Enclosure IP44 is obtained when the units with top cover are mounted on a flat surface or bracket. The bracket must be fixed to the unit so that all unused holes are covered. KP pressure switches with auto reset are supplied with top cover. For KP pressure switches with manual reset, the top cover must be separately ordered (code no. 060-109766)
Ordering
FOR R290, R32, R444B, R600, R600a, R1234ze, R1270
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.
This product is validated in accordance to EN 60079-0:2012 + A11:2013. Ignition risk is evaluated in accordance to EN 60079-11:2012. See safety requirements on the next page.
Low pressure (LP) High pressure (HP) Reset
Typ e Pressure
KP 1E Low - 0.2 – 7.5 0.7 – 4.0 Auto SPDT PSL 060-530066 KP 1E Low - 0.9 – 7.0 0.7 Man. (Min.) SPDT PZL 060-530266 KP 6EW High 8 – 42 4 – 10 Auto SPDT PSH 060-522466 KP 6EB High 8 – 42 4 – KP 7EW High 8 – 32 4 – 10 Auto SPDT PSH 060-530466 KP 7EB High 8 – 32 4
*
 PSL, PZL, PSH, PZH according to EN 12263:1998
Regulating
range
[bar] [bar] [bar] [bar]
Differential pRegulating
range
Differential
p
Low
pressure
LP
High
pressure
HP
Man. (Max.)
Man. (Max.)
Contact
system
SPDT PZH 060-522566
SPDT PZH 060-530666
Function *
Code no.
Connection
1
/4 in. ODF
solder
© Danfoss | DCS (rm) | 2019.11
DKRCC.PD.CD0.1B.02 | 2
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