Danfoss Pressure Switches

Danfoss pressure switch selection guide

BCP, Pressure controller/ Pressure limiter

• Available as high and low pressure limiters as well as pressure controllers
• Wide pressure range: from low pressure BCP1 with narrow differential to high pressure BCP7
• The fail-safe dual bellows enable premature cut-out when fault occurs
• Din plug mounted on the top of control for easy electrical wiring
• Single-pole changeover switch (SPDT), switch + alarm
• Direct mounting on pressure connection or wall mounting by means of a bracket
• Versions with automatic and manual resets available
• Screw adjustments made on top of housing
• Manual reset for pressure limiters possible only by means of tools
• Version with gold plated contact for electronic devices

RT, Pressure switches

• Pressure ranges: -1 to 30 bar
• Replaceable contact system
• Also available with gold plated contact systems
• Fail-safe
• Adjustable differential
• Enclosure IP66
• Available with min. and max. reset function (IP54)
• Also available as differential switch
• Available with TÜV approvals and with dead zone
• Available with all relevant marine approvals

RT, Differential pressure switches

• Pressure ranges: 0 -11 bar
• Replaceable contact system
• Available with gold plated contacts
• Fail-safe function
• Adjustable differential
• Enclosure IP66
• Available with min. and max. reset function (IP54)
• Available as general pressure switch
• Available with neutral zone
• Available with marine approvals


RTe, Explosion proof pressure switches


The RTe has CE and ATEX approvals:
• CE EX II 2 G EEX ia IIC T5
• CE marked, according to EN 60947-4/-5
• CE marked, according to PED 97/23/EC category IV, safety equipment: RTE6AEW, RTE6AEB, RTE6AES
• CCC, China Compulsory Certificate

KPS, Heavy-duty pressure switches

• Pressure ranges: 0 to 60 bar
• Gold plated contact systems
• Adjustable or fixed differential
• Robust and compact construction
• Resistance to shock and vibrations
• Diaphragm version for applications with:
• Pulsations/pressure peaks
• sea water as media
• Enclosure IP67. Sturdy and sea water resistant.
• Available with all relevant land and marine approvals

CAS, Heavy-duty pressure switches

• Pressure ranges: 0 to 60 bar
• Low differential (fixed) micro switch
• Enclosure IP67. Sturdy and sea water resistant
• Robust and compact construction
• Resistance to shock and vibrations
• Diaphragm version applications with: Pulsations/pressure peaks and seawater as media
• Also available as differential pressure switch
• Available with all relevant land and marine approvals

KP, Pressure switches for light industry

• Pressure ranges: -0.2 to 21 bar
• High contact load - Ultra short bounce-time
• Also available with gold plated contact systems
• Media: Gaseous media and air
• Enclosure IP44 when mounted with top cover and back plate
• Also available with enclosure IP55 for OEM customers
• Small dimensions - space saving - easy to install
• Shock and impact resistant

KP44, Dual pressure switches

• Wide regulation range
• For pumps or compressors
• Small dimensions; space saving & easy to install
• Ultra-short bounce times: Limit wear to a minimum and increases reliability
• Electrical connection from front of unit makes rack mounting easier and saves space
• Suitable for both ac and dc power
• Cable entry for 6-14 mm (diameter) cables
• Screwed cable entry (standards Pg 13.5 & 16) makes rewiring easy
                                                  • Efficient protection of water pumps in case of water supply fails


KPI, Pressure switches for light industry

• Pressure ranges: -0.2 to 28 bar
• High contact load
• Ultra short bounce-time
• Available with gold plated contact systems
• Adjustable differential
• Enclosure IP44 when mounted with top cover and back plate

CS, Pressure switches for air and water

• For automatic start and stop of air compressors and water boosters
• Pressure ranges: 2 to 20 bar
• Contact system: 3-pole (standard) and 1-pole (accessory)
• Adjustable differential
• Manual switch to lock the contact system
• Relief valve (accessory)
• Enclosure IP43 or IP55
• Also available with DVGW (KTW) drinking water approval

MBC 5000, Block-type compact pressure switches

• Pressure ranges: -0.2 to 400 bar
• Low differential (fixed) micro switch
• Resistant to shock and vibrations
• Enclosure IP65
• Diaphragm version for applications with pulsations/pressure peaks
• Compact design
• Low installations costs
• Fast and easy to operate
• Easy to mount on block test valve
• Available as differential pressure switch

MBC 5080, Block-type differential pressure switches

• Pressure ranges: 0.3 to 5 bar
• Adjustable differential
• Resistant to shock and vibrations
• Enclosure IP65
• Compact design
• Low installations costs
• Fast and easy to operate
• Easy to mount on block test valve


MBC 5100, Block-type compact pressure switches for marine applications

• Designed for use in severe industrial environments
• High vibration stability
• Part of the Danfoss block system, consisting of MBC pressure controls, MBS pressure transmitters and MBV test valves
• MBC 5100 with all major ship approvals
• High repeatability
• Optimal compact design for machine building purposes
• Intended for alarm indication, shut down, control and diagnostics in many applications - motors, gears, thrusters, pumps, filters, compressors etc.
• Pressure ranges: -0.2 to 400 bar
• Low differential (fixed) micro switch
• Resistant to shock and vibrations
• Enclosure IP65
• Diaphragm version for applications with pulsations/pressure peaks
• Compact design
• Low installations costs
• Fast and easy to operate
• Easy to mount on block test valve
• Available as differential pressure switch

MBC 5180, Block-type differential pressure switches for marine applications

• Pressure ranges: 0.3 to 5 bar
• Adjustable differential
• Resistant to shock and vibrations
• Enclosure IP65
• Compact design
• Low installations costs
• Fast and easy to operate
• Easy to mount on block test valve


Approvals
ABS-American Bureau of Shipping  Pressure switch, MBC 5100
ABS-American Bureau of Shipping  Pressure switch, CAS 133;CAS 136;CAS 137;CAS 143;CAS 145;CAS 147;CAS 1033;CAS 1036;CAS 1037;CAS 1039;CAS 1043;CAS 1045;CAS 1047
ABS-American Bureau of Shipping  Pressure switch, KPS 31;KPS 33;KPS 35;KPS 37;KPS 39;KPS 43;KPS 45;KPS 47
ABS-American Bureau of Shipping  Pressure switch, KPS 31;KPS 33;KPS 35;KPS 37;KPS 43;KPS 45;KPS 47
BV-Bureau Veritas  Pressure switch, MBC 5100;MBC 5100 Wärtsila
BV-Bureau Veritas  Pressure switch, KPS 43;KPS 45;KPS 47
BV-Bureau Veritas  Pressure switch, RT 5;RT 110;RT 112;RT 113;RT 116;RT 117;RT 200
BV-Bureau Veritas  Pressure switch, MBC 5100;MBC 5100 Wärtsila
BV-Bureau Veritas  Pressure switch, KPS 31;KPS 33;KPS 35;KPS 37;KPS 39
BV-Bureau Veritas  Pressure switch, RT 5;RT 110;RT 112;RT 113;RT 116;RT 117;RT 200
BV-Bureau Veritas  Pressure switch, KPS 43;KPS 45;KPS 47
BV-Bureau Veritas  Pressure switch, CAS 133;CAS 136;CAS 137;CAS 139;CAS 143;CAS 145;CAS 147;CAS 1033;CAS 1036;CAS 1037;CAS 1039;CAS 1043;CAS 1045;CAS 1047
BV-Bureau Veritas  Pressure switch, CAS 133;CAS 136;CAS 137;CAS 139;CAS 143;CAS 145;CAS 147;CAS 1033;CAS 1036;CAS 1037;CAS 1039;CAS 1043;CAS 1045;CAS 1047
CCC-China Cumpulsory Certification  Pressure switch, CS
CCC-China Cumpulsory Certification  Pressure switch, MBC
CCC-China Cumpulsory Certification  Thermostat, KPS
CCC-China Cumpulsory Certification  Thermostat, RT
CCS-China Classification Society  Pressure switch, MBC 5100
CCS-China Classification Society  Pressure switch, KPS 31;KPS 33;KPS 35;KPS 37;KPS 39;KPS 43;KPS 45;KPS 47
Danfoss-foss - Danfoss  Pressure switch, RT 6B;RT 6S;RT 6W;RT 6AB;RT 6AS RT 6AW;RT 19B;RT 19S RT 19W;RT 30AB;RT 30AS;RT 30AW;RT 35W;RT 36B;RT 36S;RT 112W
Danfoss-foss - Danfoss  Pressure controller, KP 1;KP 1A;KP 1E;KP 2;KP 6W;KP 6B;KP 6S KP 6AW;KP 6AB;KP 6AS; KP 7W;KP 7B;KP 7S;KP7 EW;KP 7EB;KP 7ES; KP 7BS;KP 7ABS;KP 17W;KP 17B;KP 17WB
Danfoss-foss - Danfoss  Pressure controller, KP 1W1;KP 5;KP 5A;KP 11;KP 21;KP 25;KP 15 KP 15A;KP 34;KP 35 KP 36;KP 37;KP 44
Danfoss-foss - EU Declaration  Thermostat, KPS
Danfoss-foss - EU Declaration  Thermostat, KP
Danfoss-foss - EU Declaration  Thermostat, CAS
Danfoss-foss - EU Declaration  Thermostat, MBC
Danfoss-foss - EU Declaration  Temperature switch, RT
Danfoss-foss - EU Declaration  Thermostat, KP
Danfoss-foss - EU Declaration  Pressure switch, RT 6B;RT 6S;RT 6W;RT 6AB;RT 6AS RT 6AW;RT 19B;RT 19S RT 19W;RT 30AB;RT 30AS;RT 30AW;RT 35W;RT 36B;RT 36S;RT 112W
Danfoss-foss - Danfoss  Pressure switch, KP 
Danfoss-foss - EU Declaration  Pressure switch, BCP
Danfoss-foss - EU Declaration  Pressure switch, RT 6B;RT 6S;RT 6W;RT 6AB;RT 6AS RT 6AW;RT 19B;RT 19S RT 19W;RT 30AB;RT 30AS;RT 30AW;RT 35W;RT 36B;RT 36S;RT 112W;RTE 6AEW;RTE 6AEB;RT 6AES 
Danfoss-foss - Danfoss  Pressure switch, CS
Danfoss-foss - EU Declaration  Pressure controller, RT 113E;RT 112E;RT 262AE;RT 1AE;RT 5E;RT 116E;RT 260AE;RT 6AEB;RT 6AES;RT 6AEW;RT 117E
Danfoss-foss - EU Declaration  Pressure switch, RT 6B;RT 6S;RT 6W;RT 6AB;RT 6AS RT 6AW;RT 19B;RT 19S RT 19W;RT 30AB;RT 30AS;RT 30AW;RT 35W;RT 36B;RT 36S;RT 112W;RT 6AEW. RT 6AEB;RT 6AES 
Danfoss-foss - Danfoss  Pressure controller, KPI
Danfoss-foss - EU Declaration  Pressure controller, KP 1;KP 1A;KP 1E;KP 2;KP 6W;KP 6B;KP 6S;KP 6AW;KP 6AB;KP 6AS;KP7W;KP 7B;KP 7S;KP 7EW;KP 7EB;KP 7BS;KP 7ABS;KP 17W;KP 17B;KP 17WB
Danfoss-foss - EU Declaration  Pressure controller, KPI
Danfoss-foss - EU Declaration  Pressure controller, RT
Danfoss-foss - EU Declaration  Pressure controller, MBC
Danfoss-foss - EU Declaration  Pressure controller, CS
Danfoss-foss - EU Declaration  Thermostat, CAS
Danfoss-foss - EU Declaration  Pressure controller, KPS
DEMKO-KO - UL International Demko A/S  Pressure controller, RT....
DEMKO-KO - UL International Demko A/S  Pressure controller, KP 1E
DEMKO-KO - UL International Demko A/S  Pressure controller, RT.... 
DIN CERTCO-CERTCO - DIN CERTCO  Pressure switch, RT 30AW
DIN CERTCO-CERTCO - DIN CERTCO  Pressure switch, RT 30AB;RT 30AS
DNV-Det Norske Veritas  Pressure switch, RT 110;RT 112;RT 113;RT 116;RT 117;RT 200
DNV-Det Norske Veritas  Pressure switch, CAS 133;CAS 136;CAS 137;CAS 139;CAS 143;CAS 145;CAS 147;CAS 155;CAS 1033;CAS 1036;CAS 1037;CAS 1039;CAS 1043;CAS 1045;CAS 1047;CAS 1055
DNV-Det Norske Veritas  Pressure switch, KPS 31;KPS 33;KPS 35;KPS 37;KPS 39;KPS 43;KPS 45;KPS 47
DNV-Det Norske Veritas  Pressure switch, MBC 5100
DNV-Det Norske Veritas  Pressure switch, KPS 31;KPS 33;KPS 35;KPS 37;KPS 39;KPS 43;KPS 45;KPS 47
DNV-Det Norske Veritas  Pressure switch, MBC 5100
DNV-Det Norske Veritas  Pressure switch, CAS 133;CAS 136;CAS 137;CAS 139;CAS 143;CAS 145;CAS 147;CAS 155;CAS 1033;CAS 1036;CAS 1037;CAS 1039;CAS 1043;CAS 1045;CAS 1047;CAS 1055
DNV-Det Norske Veritas  Pressure switch, RT 110;RT 112;RT 113;RT 116;RT 117;RT 200
FM-Approvals  Pressure switch, KP 34;KP 35;KP 36;KP 37
GL-Germanischer Lloyd  Thermostat, RT 19W;RT 19B;RT 19S;RT 30AW;RT 30AB;RT 30AS
GL-Germanischer Lloyd  Pressure switch, MBC 5100
GL-Germanischer Lloyd  Pressure switch, KP 1;KP 1A;KP 2;KP 5;KP 5A;KP 6W;KP 6AW;KP 6B;KP 6AB;KP 6S;KP 6AS;KP 7W;KP 7B;KP 7S;KP 7BS;KP 15;KP 15A;KP 17W;KP 17B
GL-Germanischer Lloyd  Pressure switch, RT 1;RT 5
GL-Germanischer Lloyd  Pressure switch, KPS 31;KPS 33;KPS 35;KPS 37;KPS 39;KPS 43;KPS 45;KPS 47
GL-Germanischer Lloyd  Pressure switch - Differential, CAS 155;CAS 1055
KR-Korean Register of Shipping  Pressure switch, MBC 5100
KR-Korean Register of Shipping  Pressure switch, RT 5;RT 110;RT 116;RT 117;RT 200;RT 260A;RT 262A
KR-Korean Register of Shipping  Pressure switch, KPS 35;KPS 37;KPS 39;KPS 43;KPS 45;KPS 47
LR-Lloyds Register of Shipping  Pressure switch, RT 5;RT 110;RT 116;RT 117;RT 200
LR-Lloyds Register of Shipping  Pressure switch, KPS 43;KPS 45;KPS 47
LR-Lloyds Register of Shipping  Thermostat, CAS 1078;CAS 1079;CAS 1080;CAS 1081
LR-Lloyds Register of Shipping  Thermostat, KPS 76;KPS 77;KPS 79;KPS 80;KPS 81;KPS 83
LR-Lloyds Register of Shipping  Pressure switch, KPS 31;KPS 33;KPS 35;KPS 37;KPS 39
LR-Lloyds Register of Shipping  Pressure switch - Differential, CAS 1055
LR-Lloyds Register of Shipping  Pressure switch, RT 112
LR-Lloyds Register of Shipping  Thermostat, RT 106;RT 107;RT 123
LR-Lloyds Register of Shipping  Pressure switch, KPS 43;KPS 45;KPS 47
LR-Lloyds Register of Shipping  Pressure switch - Differential, CAS 1055
LR-Lloyds Register of Shipping  Pressure switch, KPS 31;KPS 33;KPS 35;KPS 37;KPS 39
LR-Lloyds Register of Shipping  Pressure switch, RT 5;RT 110;RT 116;RT 117;RT 200
LR-Lloyds Register of Shipping  Thermostat, CAS 178;CAS 179;CAS 180;CAS 181
LR-Lloyds Register of Shipping  Pressure switch, MBC 5100
NKK-Nippon Kaiji Kyokai  Pressure switch, RT 1;RT 1A;RT 5;RT 5A;RT 110;RT 112;RT 113;RT 116;RT 117;RT 121;RT 200
NKK-Nippon Kaiji Kyokai  Pressure switch - Differential, CAS 155;CAS 1055
NKK-Nippon Kaiji Kyokai  Pressure switch, MBC 5100
NKK-Nippon Kaiji Kyokai  Pressure switch, KPS 31;KPS 33;KPS 35;KPS 37;KPS 39;KPS 43;KPS 45;KPS 47
NKK-Nippon Kaiji Kyokai  Pressure switch, RT 1;RT 1A;RT 5;RT 5A;RT 110;RT 112;RT 113;RT 116;RT 117;RT 121;RT 200
NKK-Nippon Kaiji Kyokai  Pressure switch, KPS 31;KPS 33;KPS 35;KPS 37;KPS 39;KPS 43;KPS 45;KPS 47
NKK-Nippon Kaiji Kyokai  Pressure switch, CAS 133;CAS 1033;CAS 136;CAS 1036;CAS 137;CAS 1037;CAS 139;CAS 1039;CAS 143;CAS 1043;CAS 145;CAS 1045;CAS 147;CAS 1047
NKK-Nippon Kaiji Kyokai  Pressure switch, MBC 5100
NKK-Nippon Kaiji Kyokai  Pressure switch, CAS 133;CAS 1033;CAS 136;CAS 1036;CAS 137;CAS 1037;CAS 139;CAS 1039;CAS 143;CAS 1043;CAS 145;CAS 1045;CAS 147;CAS 1047
RINA-A - Registro Italiano Navale  Pressure switch, RT 1;RT 1A;RT 5;RT 110;RT 112;RT 113;RT 116;RT 117;RT 121;RT 200
RINA-A - Registro Italiano Navale  Pressure switch - Differential, RT 260A;RT 262A
RINA-A - Registro Italiano Navale  Pressure switch, KP
RINA-A - Registro Italiano Navale  Pressure switch, MBC 5100
RINA-A - Registro Italiano Navale  Pressure switch, KPS 43;KPS 45;KPS 47
RINA-A - Registro Italiano Navale  Pressure switch, CAS 133;CAS 136;CAS 137;CAS 139;CAS 143;CAS 145;CAS 147;CAS 1033;CAS 1036;CAS 1037;CAS 1039;CAS 1043;CAS 1045;CAS 1047
RMRS-S - Russian Maritime Register of Shipping  Pressure switch - Differential, CAS 155
RMRS-S - Russian Maritime Register of Shipping  Pressure switch - Differential, RT
RMRS-S - Russian Maritime Register of Shipping  Pressure switch - Differential, RT
RMRS-S - Russian Maritime Register of Shipping  Pressure switch - Differential, CAS 155
RMRS-S - Russian Maritime Register of Shipping  Thermostat, KPS
RMRS-S - Russian Maritime Register of Shipping  Thermostat, KPS
RMRS-S - Russian Maritime Register of Shipping  Pressure switch, MBC 5100
RMRS-S - Russian Maritime Register of Shipping  Pressure switch, MBC 5100
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 30AB
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 116W
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 32W
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 19B
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 112
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 112W
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 6B;RT 6AB;RT 6AS;RT 6S;RT 6W;RT 6AW;RT 19B;RT 19S;RT 19W;RT 30AW;RT 30AB;RT 30AS;RT 35W;RT 36B;RT 36S;RT 112W
TÜV-Technischer Überwachungs-Verein  Pressure switch, KP 1;KP 1A;KP 2;KP 7B;KP 7S;KP 7W;KP 7BS;KP 7ABS;KP 17B;KP 17W;KP 17S
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 6AEW;RT 6AEB;RT 6AES
TÜV-Technischer Überwachungs-Verein  Temperature switch, KP
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 32W
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 31B
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 33B
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 32B
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 31S
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 33B
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 32S
TÜV-Technischer Überwachungs-Verein  Pressure switch, KP 1;KP 1A;KP 1E;KP 2;KP 7BS;KP 7ABS;KP 7W;KP 7B;KP 7S;KP 7EW;KP 7EB;KP 7ES;KP 17B;KP 17W;KP 17WB
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 110
TÜV-Technischer Überwachungs-Verein  Pressure switch, KP 1;KP 1A;KP 2;KP 7B;KP 7S;KP 7W;KP 7BS;KP 7ABS;KP 17B;KP 17W;KP 17S
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 31W
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 112;RT 112 W
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 116W
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 31S
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 30AS
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 35W
TÜV-Technischer Überwachungs-Verein  Pressure switch, BCP
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 32S
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 19W
TÜV-Technischer Überwachungs-Verein  Pressure switch, BCP 2L;BCP 3L;BCP 4L;BCP 5L;BCP 6L
TÜV-Technischer Überwachungs-Verein  Pressure switch, BCP 2L;BCP 3L;BCP 4L;BCP 5L;BCP 6L
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 19S
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 30AW
TÜV-Technischer Überwachungs-Verein  Pressure switch, RT 31W
UL-Underwriters Laboratories inc.  Pressure switch, KPS 31;KPS 33;KPS 35;KPS 37;KPS 43;KPS 45;KPS 47