Oil Level Switch
Standard Temperature (0 to +80°C ) - 24V AC/DC
High Temperature - 24V AC/DC
Standard Temperature - 90-240V AC
Low Temperature - 24V AC/DC
Low Temperature - 90-240V AC

All products

Article Liquid group Power supply IP class Thread Output Fluid Temp. Contact function IECEx/ATEX  
Article Liquid group Power supply IP class Thread Output Fluid Temp. Contact function IECEx/ATEX  
HBSO1-NPN/NC-6
Oil Level Switch - IP54
For PAO & mineral oil, NPN/NC
3/4" BSPP - w. set screw connection
  • Oil
  • 24V AC/DC
  • IP54
  • 3/4" BSPP
  • NPN
  • 0 to 80°C (32 to 176°F)
  • NC (Normally Closed)
  • No
Oil 24V AC/DC IP54 3/4" BSPP NPN 0 to 80°C (32 to 176°F) NC (Normally Closed) No
HBSO1-NPN/NO-4
Oil Level Switch - IP54
For PAO & mineral oil, NPN/NO
3/4" BSPT - w. set screw connection
  • Oil
  • 24V AC/DC
  • IP54
  • 3/4" BSPT
  • NPN
  • 0 to 80°C (32 to 176°F)
  • NO (Normally Open)
  • No
Oil 24V AC/DC IP54 3/4" BSPT NPN 0 to 80°C (32 to 176°F) NO (Normally Open) No
HBSO1-NPN/NO-6
Oil Level Switch - IP54
For PAO & mineral oil, NPN/NO
3/4" BSPP - w. set screw connection
  • Oil
  • 24V AC/DC
  • IP54
  • 3/4" BSPP
  • NPN
  • 0 to 80°C (32 to 176°F)
  • NO (Normally Open)
  • No
Oil 24V AC/DC IP54 3/4" BSPP NPN 0 to 80°C (32 to 176°F) NO (Normally Open) No
HBSO1-NPN/NO-7
Oil Level Switch - IP54
For PAO & mineral oil, NPN/NO
1 1/8" UNEF - w. set screw connection
  • Oil
  • 24V AC/DC
  • IP54
  • 1 1/8" UNEF
  • NPN
  • 0 to 80°C (32 to 176°F)
  • NO (Normally Open)
  • No
Oil 24V AC/DC IP54 1 1/8" UNEF NPN 0 to 80°C (32 to 176°F) NO (Normally Open) No
HBSO1-SSR-1/NO-7
Oil Level Switch - Solid State - IP54
For PAO & Mineral oil - NO
1 1/8" UNEF - w. set screw connection
  • Oil
  • 24V AC/DC
  • IP54
  • 1 1/8" UNEF
  • Solid State Relay
  • 0 to 145°C (32 to 293°F)
  • NO (Normally Open)
  • No
Oil 24V AC/DC IP54 1 1/8" UNEF Solid State Relay 0 to 145°C (32 to 293°F) NO (Normally Open) No
HBSO1-SSR-1/NC-7/HT
High Temperature Oil Level Switch - IP54
NC - 24 V AC/DC, 0 - 145 C - Solid State
1 1/8" UNEF- PAO & Mineraloil -set screw
  • Oil
  • 24V AC/DC
  • IP54
  • 1 1/8" UNEF
  • Solid State Relay
  • 0 to 145°C (32 to 293°F)
  • NC (Normally Closed)
  • No
Oil 24V AC/DC IP54 1 1/8" UNEF Solid State Relay 0 to 145°C (32 to 293°F) NC (Normally Closed) No
HBSO1-SSR-1/NC-7
Oil Level Switch - Solid State - IP54
For PAO & Mineral oil - NC
1 1/8" UNEF - w. set screw connection
  • Oil
  • 24V AC/DC
  • IP54
  • 1 1/8" UNEF
  • Solid State Relay
  • 0 to 145°C (32 to 293°F)
  • NC (Normally Closed)
  • No
Oil 24V AC/DC IP54 1 1/8" UNEF Solid State Relay 0 to 145°C (32 to 293°F) NC (Normally Closed) No
HBSO1-SSR-1/NO-6
Oil Level Switch - Solid State - IP54
For PAO & Mineral oil - NO
3/4" BSPP - w. set screw connection
  • Oil
  • 24V AC/DC
  • IP54
  • 3/4" BSPP
  • Solid State Relay
  • 0 to 145°C (32 to 293°F)
  • NO (Normally Open)
  • No
Oil 24V AC/DC IP54 3/4" BSPP Solid State Relay 0 to 145°C (32 to 293°F) NO (Normally Open) No
HBSO1-SSR-1/NO-4
Oil Level Switch - Solid State - IP54
For PAO & Mineral oil - NO
3/4" BSPT - w. set screw connection
  • Oil
  • 24V AC/DC
  • IP54
  • 3/4" BSPT
  • Solid State Relay
  • 0 to 145°C (32 to 293°F)
  • NO (Normally Open)
  • No
Oil 24V AC/DC IP54 3/4" BSPT Solid State Relay 0 to 145°C (32 to 293°F) NO (Normally Open) No
HBSO1-SSR-1/NC-6
Oil Level Switch - Solid State - IP54
For PAO & Mineral oil - NC
3/4" BSPP - w. set screw connection
  • Oil
  • 24V AC/DC
  • IP54
  • 3/4" BSPP
  • Solid State Relay
  • 0 to 145°C (32 to 293°F)
  • NC (Normally Closed)
  • No
Oil 24V AC/DC IP54 3/4" BSPP Solid State Relay 0 to 145°C (32 to 293°F) NC (Normally Closed) No
HBSO1-SSR-1/NC-4
Oil Level Switch - Solid State - IP54
For PAO & Mineral oil - NC
3/4" BSPT - w. set screw connection
  • Oil
  • 24V AC/DC
  • IP54
  • 3/4" BSPT
  • Solid State Relay
  • 0 to 145°C (32 to 293°F)
  • NC (Normally Closed)
  • No
Oil 24V AC/DC IP54 3/4" BSPT Solid State Relay 0 to 145°C (32 to 293°F) NC (Normally Closed) No
HBSO1-SSR-1/NO-7/HT
High Temperature Oil Level Switch - IP54
NO - 24 V AC/DC, 0 - 145 C - Solid State
1 1/8" UNEF- PAO & Mineraloil -set screw
  • Oil
  • 24V AC/DC
  • IP54
  • 1 1/8" UNEF
  • Solid State Relay
  • 0 to 145°C (32 to 293°F)
  • NO (Normally Open)
  • No
Oil 24V AC/DC IP54 1 1/8" UNEF Solid State Relay 0 to 145°C (32 to 293°F) NO (Normally Open) No
HBSO1-SSR-2/NO-2-LT
Low Temp Oil Level Switch - Solid State
NO - High voltage 90...240 VAC, -30 C
3/4" NPT - PAO & Mineral oil - union con
  • Oil
  • 90-240V AC
  • IP54
  • 3/4" NPT
  • Solid State Relay
  • -30 to 40°C (-22 to 104°F)
  • NO (Normally Open)
  • No
Oil 90-240V AC IP54 3/4" NPT Solid State Relay -30 to 40°C (-22 to 104°F) NO (Normally Open) No
HBSO1-SSR-2/NC-6
Oil Level Switch, High volt. 90..240 VAC
NC - For PAO & mineral oil - Solid State
3/4" BSPP - w. set screw connection IP54
  • Oil
  • 90-240V AC
  • IP54
  • 3/4" BSPP
  • Solid State Relay
  • 0 to 60°C (32 to 140°F)
  • NC (Normally Closed)
  • No
Oil 90-240V AC IP54 3/4" BSPP Solid State Relay 0 to 60°C (32 to 140°F) NC (Normally Closed) No
HBSO1-SSR-2/NC-2-LT
Low Temp Oil Level Switch - Solid State
NC - High voltage 90...240 VAC, -30 C
3/4" NPT - PAO & Mineral oil - union con
  • Oil
  • 90-240V AC
  • IP54
  • 3/4" NPT
  • Solid State Relay
  • -30 to 40°C (-22 to 104°F)
  • NC (Normally Closed)
  • No
Oil 90-240V AC IP54 3/4" NPT Solid State Relay -30 to 40°C (-22 to 104°F) NC (Normally Closed) No
HBSO1-U-NPN/NC-2-LT
Low Temperature Oil Level Switch - IP65
24 V AC/DC, -30 C - NPN/NC
3/4" NPT - Thr. Union -PAO & mineral oil
  • Oil
  • 24V AC/DC
  • IP65
  • 3/4" NPT
  • NPN
  • -30 to 40°C (-22 to 104°F)
  • NC (Normally Closed)
  • No
Oil 24V AC/DC IP65 3/4" NPT NPN -30 to 40°C (-22 to 104°F) NC (Normally Closed) No
HBSO1-SSR-2/NO-6
Oil Level Switch, High volt. 90..240 VAC
NO - For PAO & mineral oil - Solid State
3/4" BSPP - w. set screw connection IP54
  • Oil
  • 90-240V AC
  • IP54
  • 3/4" BSPP
  • Solid State Relay
  • 0 to 60°C (32 to 140°F)
  • NO (Normally Open)
  • No
Oil 90-240V AC IP54 3/4" BSPP Solid State Relay 0 to 60°C (32 to 140°F) NO (Normally Open) No
HBSO1-U-NPN/NO-2-LT
Low Temperature Oil Level Switch - IP65
24 V AC/DC, -30 C - NPN/NO
3/4" NPT - Thr. Union -PAO & mineral oil
  • Oil
  • 24V AC/DC
  • IP65
  • 3/4" NPT
  • NPN
  • -30 to 40°C (-22 to 104°F)
  • NO (Normally Open)
  • No
Oil 24V AC/DC IP65 3/4" NPT NPN -30 to 40°C (-22 to 104°F) NO (Normally Open) No
HBSO2-NPN/NC-4
Oil Level Switch - IP54
For PAG & POE oil, NPN/NC
3/4" BSPT - w. set screw connection
  • Oil
  • 24V AC/DC
  • IP54
  • 3/4" BSPT
  • NPN
  • 0 to 80°C (32 to 176°F)
  • NC (Normally Closed)
  • No
Oil 24V AC/DC IP54 3/4" BSPT NPN 0 to 80°C (32 to 176°F) NC (Normally Closed) No
HBSO1-U-NPN/NO-6-LT
Low Temperature Oil Level Switch - IP65
24 V AC/DC, -30 C - NPN/NO
3/4" BSPP- Thr. Union -PAO & mineral oil
  • Oil
  • 24V AC/DC
  • IP65
  • 3/4" BSPP
  • NPN
  • -30 to 40°C (-22 to 104°F)
  • NO (Normally Open)
  • No
Oil 24V AC/DC IP65 3/4" BSPP NPN -30 to 40°C (-22 to 104°F) NO (Normally Open) No
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Oil Level Switch

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