Control Pressure Switches

Features:
  • Max. cut-out pressure 16 bar
  • Transparent cover
  • 1 NC + 1 NO
  • Acc. To EN 60947
  • Flange = die-cast aluminium
Technical Data
Rated insulated voltage, Uj 500V
Rated operational voltage Ue (AC15) 250V
Rated operational current the (AC15) 8A
Rated thermal current e (MAX) 10A
Mechanical life (AC15), Cycles > 1.5 x 105
Mechanical life, Cycles > 1 x 106
Max. electrical cycles, Cycles/h 120
Max. mechanical cycles, Cycles/h 600
Bursting strength, Pz > 60 bar
Permissible medium temperature, Air -30…80°C
Permissible medium temperature, Water +80°C
Conductor cross section 1…flexible cable 1x/2x 2.5/2.5mm2
Conductor cross section 1…rigid cable 1x/2x 2.5/2.5mm2
Degree of Protection acc. To EN 60529 IP44
Datasheet
Product Details On/Off Switch Pressure Range (kPa) Connection Weight (gms) RBS Part No
MDR43/300 x 50-300 ¼” BSP F 440 3144750
MDR43/600 x 250-600 ¼” BSP F 460 3145000
MDR43/1100 x 500-1100 ¼” BSP F 480 3145200
MDR43/1600 x 800-1600 ¼” BSP F 500 3145400
Features
  • Max. cut-out pressure 16 bar
  • Ample wiring room
  • High switching accuracy
  • 1 SPDT
  • Acc. To EN 60947
  • Flange = die-cast aluminium
Technical Data
Rated insulated voltage, Uj500V
Rated operational voltage Ue (AC15)250V
Rated operational current le (AC15)4A
Rated thermal current lthe (MAX)10A
Electrical life (AC15), Cycles> 2 x 105
Mechanical life, Cycles> 2 x 106
Max. electrical cycles, Cycles/h120
Max. mechanical cycles, Cycles/h1200
Bursting strength, Pz> 40 bar
Permissible medium temperature, Air -30…80°C
Permissible medium temperature, Water +80°C
Conductor cross section 1…flexible cable 1x/2x2.5/2.5mm2
Conductor cross section 1…rigid cable 1x/2x2.5/2.5mm2
Degree of Protection acc. To EN 60529IP54
Datasheet
Product DetailsOn/Off SwitchPressure Range (kPa)Cable Glands (2PG16V)ConnectionWeight (gms)RBS Part No
MDR53/800x50-800✔½” BSP F7703492000
MDR53/1600x600-1600✔½” BSP F7703492501
Features
  • 1 SPDT / 2 DPDT (NO/NC)
  • Pressure range up to 250 bar
  • ATEX / GL / VdS / UL approvals - optional
  • Scale for simple adjustments
  • Acc. To EN 60947
  • Wide range of variations
Technical Data
Voltage230V
Motor Switching Capacity55 kW
Current AC 154A
Degree of Protection acc. To EN 60529IP54 / IP65
Datasheet

MDR-F...H

MDR-F standard version with die-cast aluminium flange and Perbunan diaphragm (for oil, water and air etc)

Pressure switch with industrial screw terminals version (industrial cage clamp version available)

Permissible media temperature -25…+70°C
Pressure ranges (bar)6
ConnectionH G 3/8" inner thread (G1/4 + G1/2 inner thread on demand)
Suffix Ggold-flashed contacts
Product DetailsCondor NoAdjustable cut-in pressure (bar)Smallest pressure diff. (bar) *Adjustable cut-out pressure (bar)Weight (gms)RBS Part No
MDR-F 2H-S2535010,04 … 1,890,07 0,110,11 … 24603800113
MDR-F 2HG-S2535180,04 … 1,890,07 0,110,11 … 2460On Request
MDR-F 4H-S2535250,07 … 3,750,15 0,250,22 … 44603800042
MDR-F 4HG-S2535320,07 … 3,750,15 0,250,22 … 4460On Request
MDR-F 8H-S2535490,2 … 7,50,3 0,50,5 … 8460On Request
MDR-F 8HG-S2535560,2 … 7,50,3 0,50,5 … 8460On Request
MDR-F 10H-S2535630,3 … 9,20,4 0,80,7 … 104603800048
MDR-F 10HG-S2535700,3 … 9,20,4 0,80,7 … 10460On Request
MDR-F 16H-S2535870,4 … 150,6 1,01 … 164603800046
MDR-F 16HG-S2535940,4 … 150,6 1,01 … 164603800047
MDR-F 32H-S2536000,8 … 301,2 2,02 … 32460On Request
MDR-F 32HG-S2536170,8 … 301,2 2,02 … 32460On Request
* lower...upper end of range

MDR-F...Y

MDR-F standard version with plastic flange and Perbunan diaphragm (deminerialised water)

Pressure switch with industrial screw terminals version (industrial cage clamp version available)

Permissible media temperature -20…+50°C
Pressure ranges (bar)5
ConnectionY G 3/8" inner thread (G1/4 + G1/2 inner thread on demand)
Suffix Ggold-flashed contacts
Product DetailsCondor NoAdjustable cut-in pressure (bar)Smallest pressure diff. (bar) *Adjustable cut-out pressure (bar)Weight (gms)RBS Part No
MDR-F 2Y-S2536240,04 … 1,890,07 0,110,11 … 2410On Request
MDR-F 2YG-S2536310,04 … 1,890,07 0,110,11 … 2410On Request
MDR-F 4Y-S2536480,07 … 3,750,15 0,250,22 … 44103800044
MDR-F 4YG-S2536550,07 … 3,750,15 0,250,22 … 4410On Request
MDR-F 8Y-S2536620,2 … 7,50,3 0,50,5 … 8410On Request
MDR-F 8YG-S2536790,2 … 7,50,3 0,50,5 … 8410On Request
MDR-F 10Y-S2536860,3 … 9,20,40,8 0,7 … 10410On Request
MDR-F 10YG-S2536930,3 … 9,20,40,8 0,7 … 10410On Request
MDR-F 16Y-S2537090,4 … 150,61,0 1 … 16410On Request
MDR-F 16YG-S2537160,4 … 150,61,0 1 … 16410On Request
* lower...upper end of range

MDR-F...HE

MDR-F pressure connection and pressure transducer element stainless steel for liquid fuels, oils up to 200°C etc

Pressure switch with industrial screw terminals version (industrial cage clamp version available)

Permissible media temperature200°C
Pressure ranges (bar)2
ConnectionG 1/4" female thread
Suffix Ggold-plated contacts
Product DetailsCondor NoAdjustable cut-in pressure (bar)Smallest pressure diff. (bar) *Adjustable cut-out pressure (bar)Weight (gms)RBS Part No
MDR-F 12HE-S2537230,5 … 11,20,5 0,81 … 12520On Request
MDR-F 12HEG-S2537300,5 … 11,20,5 0,81 … 12520On Request
MDR-F 30HE-S2537471 … 26,43,0 3,64 … 30520On Request
MDR-F 30HEG-S2537541 … 26,43,03,6 4 … 30520On Request
* lower...upper end of range

MDR-F...HH

MDR-F high-pressure switch version (up to 250 bar) with plastic plunger press. sensing element with stainless steel connection (for oil, water and air etc.)

Pressure switch with industrial screw terminals version (industrial cage clamp version available)

Permissible media temperature70°C
Pressure ranges (bar)3
ConnectionHH G 3/8" female thread
Suffix Ggold-flashed contacts
Product DetailsCondor NoAdjustable cut-in pressure (bar)Smallest pressure diff. (bar) *Adjustable cut-out pressure (bar)Weight (gms)RBS Part No
MDR-F 60HH-S2537614 … 524 88 … 605703800055
MDR-F 60HHG-S2537784 … 524 88 … 60570On Request
MDR-F 120HH-S2537858 … 1048 1616 … 1205703800065
MDR-F 120HHG-S2537928 … 1048 1616 … 120570On Request
MDR-F 250HH-S25380814 … 22612 2426 … 250570On Request
MDR-F 250HHG-S25381514 … 22612 2426 … 250570On Request
* lower...upper end of range

MDR-F...Hmax/Hmin/Htro

MDR-F Hmax (SPDT with manual reset max.) with die-cast aluminium flange and Perbunan diaphragm (for oil, water and air etc)

MDR-F Hmin (SPDT with manual reset min.) with die-cast aluminium flange and Perbunan diaphragm (for oil, water and air etc)

MDR-F Htro (SPDT with manual reset as run-dry protection) with die-cast aluminium flange and Perbunan diaphragm (for oil, water and air etc)

Pressure switch with industrial screw terminals version (industrial cage clamp version available)

Connection H G 3/8" inner thread
Suffix G gold-flashed contacts
Product DetailsCondor NoAdjustable cut-in pressure (bar)Smallest pressure diff. (bar) *Adjustable cut-out pressure (bar)Weight (gms)RBS Part No
MDR-F 2Hmax-S254065--0,11 … 2430On Request
MDR-F 4Hmax-S254072--0,22 … 4430On Request
MDR-F 8Hmax-S254089--0,5 … 8430On Request
MDR-F 10Hmax-S254096--0,7 … 10430On Request
MDR-F 16Hmax-S254102--1 … 16430On Request
MDR-F 32Hmax-S254119--2 … 32430On Request
MDR-F 2Hmin-S *12541260,04 … 1,890,07 0,110,11 … 2430On Request
MDR-F 4Hmin-S *12541330,07 … 3,750,15 0,250,22 … 4430On Request
MDR-F 8Hmin-S *12541400,2 … 7,50,3 0,50,5 … 8430On Request
MDR-F 10Hmin-S *12541570,3 … 9,20,4 0,80,7 … 10430On Request
MDR-F 16Hmin-S *12541640,4 … 150,61,0 1 … 16430On Request
MDR-F 32Hmin-S *12541710,8 … 301,22,0 2 … 32430On Request
MDR-F 2Htro-S2541880,04 … 1,89--430On Request
MDR-F 4Htro-S2541950,07 … 3,75--430On Request
MDR-F 8Htro-S2542010,2 … 7,5--430On Request
MDR-F 10Htro-S2542180,3 … 9,2--430On Request
MDR-F 16Htro-S2542250,4 … 15--430On Request
MDR-F 32Htro-S2542320,8 … 30--430On Request
* lower...upper end of range
* 1 The minimum-pressure to be overseen and the operating-pressure must be in the pressure-spectrum of the cut-in-pressure

Contact Info

  • 21 Brookhollow Ave.,Norwest, NSW 2153.
  • PO Box 6345 BHBC,Baulkham Hills, NSW 2153.
  • sales@rossbrownsales.com.au
  • (02) 8855 1700
  • (02) 9899 4233

About Us

Ross Brown Sales Pty Limited is a privately owned Australian company established in 1957.

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