What are Controllers - Liquid, Level ?
Controllers - Liquid, Level are devices designed to regulate and monitor liquid levels in industrial settings. They are commonly used in applications such as leak detection, constant level maintenance, and high/low level monitoring. Important specifications for selection include Contact Rating @ Voltage, which ensures compatibility with electrical systems, Operating Temperature, which affects performance in different environments, and Sensitivity, which determines the controller's responsiveness to liquid level changes. Procurement teams should validate lifecycle status and consider alternate-source options to mitigate sourcing risks.
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| Part & Mfr | Contact Form | Contact Rating @ Voltage | Distance | Features | Mounting Type | Operating Temperature | Output Type | Sensitivity | Termination Style | Type | Voltage | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Curtis Industries
|
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SPDT (1 Form C) | 10A @ 120VAC | - | Adjustable Sensitivity | Chassis Mount | 0°C ~ 60°C | Relay | 0 ~ 100kOhm | Screw Terminal | High/Low Level | 120VAC | |
Carlo Gavazzi
|
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Price on request
Price and Stock
on Request |
SPST-NO (1 Form A), SPDT (1 Form C) | 8A @ 250VAC | - | Adjustable Sensitivity | DIN Rail | -20°C ~ 50°C | Relay | 250Ohm ~ 500kOhm | Screw Terminal | High/Low Level | 24VAC/DC | |
Panasonic Electronic Components
|
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- | - | - | Alarm Leak - Audible and Contact and LED Indication, Two Stage | DIN Rail | -10°C ~ 55°C | Solid State | - | Screw Terminal | Leak Detection | 24VDC | |
Finder
|
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Price and Stock
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SPDT (1 Form C) | 17A @ 240VAC | - | Adjustable Sensitivity, Delay Timer | DIN Rail | -20°C ~ 60°C | Relay | 5 ~ 150kOhm | Screw Terminal | High/Low Level | 110 ~ 125VAC | |
Littelfuse Inc.
|
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SPDT (1 Form C) | 10A @ 120VAC | - | LED Indicator | Chassis Mount | -40°C ~ 60°C | Relay | Fixed, 10kOhm | Quick Connect - 0.187"/0.250" | Constant Level | 120VAC | |
Littelfuse Inc.
|
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Price on request
Price and Stock
on Request |
SPDT (1 Form C) | 5A @ 240VAC | - | Adjustable Sensitivity | Socketable | -20°C ~ 60°C | Relay | 1kOhm ~ 100kOhm | Plug In, 8 Pin (Octal) | High/Low Level | 120VAC | |
Littelfuse Inc.
|
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Price on request
Price and Stock
on Request |
SPDT (1 Form C) | 5A @ 240VAC | - | Adjustable Sensitivity | Socketable | -20°C ~ 60°C | Relay | 1kOhm ~ 100kOhm | Plug In, 8 Pin (Octal) | High/Low Level | 120VAC | |
Littelfuse Inc.
|
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Price on request
Price and Stock
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SPDT (1 Form C) | 5A @ 240VAC | - | Adjustable Sensitivity | Socketable | -20°C ~ 60°C | Relay | 1kOhm ~ 100kOhm | Plug In, 8 Pin (Octal) | High/Low Level | 120VAC | |
Littelfuse Inc.
|
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Price on request
Price and Stock
on Request |
DPST-NO (2 Form A) | 8A @ 240VAC | - | Alarm Leak - Audible and Contact and LED Indication, Adjustable Sensitivity | DIN Rail | -40°C ~ 70°C | Relay | 4.7kOhm ~ 100kOhm | Screw Terminal | Leak Detection | 110 ~ 120VAC | |
Crouzet
|
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Price on request
Price and Stock
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DPDT (2 Form C) | 5A @ 250VDC | 100m | Delay Timer | DIN Rail | -20°C ~ 50°C | Relay | 250Ohm ~ 1MOhm | Screw Terminal | High/Low Level | 24 ~ 240VAC/DC | |
|
Mueller Electric Co
|
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Price on request
Price and Stock
on Request |
SPDT (1 Form C) | 5A @ 240VAC | - | Adjustable Sensitivity | Socketable | -20°C ~ 60°C | Relay | 1kOhm ~ 100kOhm | Plug In, 8 Pin (Octal) | Constant Level | 120VAC | |
Omron
|
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Price on request
Price and Stock
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SPDT (1 Form C) | 3A @ 250VAC | 100m | Adjustable Sensitivity, Delay Timer | DIN Rail | -20°C ~ 60°C | Relay | 10kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 24VAC/DC | |
Omron
|
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Price on request
Price and Stock
on Request |
SPDT (1 Form C) | 5A @ 250VAC | 100m | Delay Timer | DIN Rail | -20°C ~ 60°C | Relay | 10 ~ 100kOhm | Spring Terminal | Constant Level | 24VAC/DC | |
|
Omron
|
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- | - | 100m | Delay Timer | DIN Rail | -20°C ~ 60°C | Solid State | 10 ~ 100kOhm | Screw Terminal | Constant Level | 100 ~ 240VAC | |
Omron
|
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Price on request
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SPDT (2 Form C) | 3A @ 250VAC | 1km | - | Socketable | -10°C ~ 55°C | Relay | 0 ~ 4kOhm | Plug In, 8 Pin (Octal) | High/Low Level | 120VAC | |
Carlo Gavazzi
|
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Price on request
Price and Stock
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SPST-NO (1 Form A) | 8A @ 250VAC | - | Adjustable Sensitivity | DIN Rail | -20°C ~ 50°C | Relay | 5kOhm ~ 150kOhm | Screw Terminal | High/Low Level | 24VAC/DC | |
Omron
|
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Price on request
Price and Stock
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SPDT (2 Form C) | 3A @ 250VAC | 1km | - | Socketable | -10°C ~ 55°C | Relay | 0 ~ 4kOhm | Plug In, 11 Pin (Octal) | High/Low Level | 120VAC | |
Omron
|
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Price on request
Price and Stock
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SPDT (2 Form C) | 3A @ 250VAC | - | Adjustable Sensitivity | Socketable | -10°C ~ 50°C | Relay | 0 ~ 50kOhm | Plug In, 11 Pin (Octal) | Leak Detection | 110VAC | |
Omron
|
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Price on request
Price and Stock
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SPDT (2 Form C) | 3A @ 250VAC | - | Adjustable Sensitivity | Socketable | -10°C ~ 50°C | Relay | 0 ~ 50kOhm | Plug In, 11 Pin (Octal) | Leak Detection | 100VAC | |
|
Mueller Electric Co
|
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Price on request
Price and Stock
on Request |
SPDT (1 Form C) | 5A @ 240VAC | - | Adjustable Sensitivity | Socketable | -20°C ~ 60°C | Relay | 1kOhm ~ 100kOhm | Plug In, 8 Pin (Octal) | Constant Level | 240VAC | |
|
Finder
|
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Price on request
Price and Stock
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SPDT (1 Form C) | - | - | Adjustable Sensitivity | DIN Rail | -20°C ~ 60°C | Relay | 5kOhm ~ 450kOhm | Screw Terminal | High/Low Level | 230 ~ 240VAC | |
Advanced Thermal Solutions
|
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- | - | - | Auto Shut Off Valve | Chassis Mount | 0°C ~ 60°C | - | - | Cable Leads | Leak Detection | 9VDC | |
Advanced Thermal Solutions
|
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- | - | - | Auto Shut Off Valve, End of Filter Life Alert | Chassis Mount | 0°C ~ 60°C | - | - | Cable Leads | Leak Detection | 9VDC | |
Advanced Thermal Solutions
|
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Price on request
Price and Stock
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- | - | - | Auto Shut Off Valve | Chassis Mount | 0°C ~ 60°C | - | - | Cable Leads | Leak Detection | 9VDC | |
|
Littelfuse Inc.
|
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Price on request
Price and Stock
on Request |
SPDT (1 Form C) | 10A @ 120VAC | - | - | Chassis Mount | -20°C ~ 55°C | Relay | Fixed, 50kOhm | Screw Terminal | Constant Level | 120VAC | |
Mueller Electric Co
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | Adjustable Sensitivity | DIN Rail | -20°C ~ 55°C | Relay | 4.7kOhm ~ 100kOhm | Plug In, 11 Pin (Octal) | Leak Detection | 120VAC | |
Mueller Electric Co
|
Send RFQ |
Price on request
Price and Stock
on Request |
SPDT (1 Form C) | 5A @ 240VAC | - | Adjustable Sensitivity | Socketable | -20°C ~ 60°C | Relay | 1kOhm ~ 100kOhm | Plug In, 8 Pin (Octal) | High/Low Level | 24VAC | |
Mueller Electric Co
|
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Price on request
Price and Stock
on Request |
DPDT (2 Form C) | - | - | Adjustable Sensitivity | DIN Rail | -20°C ~ 55°C | Relay | - | Plug In, 11 Pin (Octal) | Leak Detection | 120VAC | |
Mueller Electric Co
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | Adjustable Sensitivity | DIN Rail | -20°C ~ 55°C | Relay | 4.7kOhm ~ 100kOhm | Plug In, 11 Pin (Octal) | Leak Detection | 120VAC | |
Mueller Electric Co
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | Adjustable Sensitivity | DIN Rail | -20°C ~ 55°C | Relay | - | Plug In, 11 Pin (Octal) | Leak Detection | 120VAC | |
Siemens
|
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- | 3A @ 250VAC | - | - | DIN Rail | -25°C ~ 60°C | Relay | 2 ~ 200kOhm | Screw Terminal | High/Low Level | 24 ~ 240VAC/DC | |
Mueller Electric Co
|
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Price on request
Price and Stock
on Request |
- | - | - | Adjustable Sensitivity | DIN Rail | -20°C ~ 55°C | Relay | 4.7kOhm ~ 100kOhm | Plug In, 11 Pin (Octal) | Leak Detection | 120VAC | |
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
SPDT (2 Form C) | 3A @ 250VAC | 1km | - | Socketable | -10°C ~ 55°C | Relay | 0 ~ 4kOhm | Plug In, 8 Pin (Octal) | High/Low Level | 110VAC | |
Omron
|
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Price on request
Price and Stock
on Request |
DPDT (2 Form C) | 3A @ 250VAC | - | Adjustable Sensitivity | Socketable | -10°C ~ 50°C | Relay | ±10 ~ 50kOhm | Plug In, 8 Pin (Octal) | Leak Detection | 24VAC | |
|
Littelfuse Inc.
|
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Price on request
Price and Stock
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- | 7A @ 240VAC | - | - | - | -20°C ~ 55°C | Relay | - | Screw Terminal | Constant Level | 120VAC | |
Schneider Electric
|
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Price on request
Price and Stock
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- | - | - | Adjustable Sensitivity | Socketable | -20°C ~ 60°C | Relay | 5kOhm ~ 100kOhm | Plug In, 11 Pin (Octal) | High/Low Level | 230VAC | |
Schneider Electric
|
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Price on request
Price and Stock
on Request |
- | - | - | Adjustable Sensitivity | Socketable | -20°C ~ 60°C | Relay | 5kOhm ~ 100kOhm | Plug In, 8 Pin (Octal) | High/Low Level | 120VAC | |
Schneider Electric
|
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Price on request
Price and Stock
on Request |
- | - | - | Adjustable Sensitivity | Socketable | -20°C ~ 60°C | Relay | 5kOhm ~ 100kOhm | Plug In, 8 Pin (Octal) | High/Low Level | 230VAC | |
Schneider Electric
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | Adjustable Sensitivity | Socketable | -20°C ~ 60°C | Relay | 5kOhm ~ 100kOhm | Plug In, 11 Pin (Octal) | High/Low Level | 230VAC | |
Lumenite Control Technology, Inc.
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | Auto-Sensitivity | DIN Rail | - | Relay | - | - | Conductive Liquid Level | 110/220VAC | |
Lumenite Control Technology, Inc.
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | Auto-Sensitivity | DIN Rail | - | Relay | - | - | Conductive Liquid Level | 24VDC | |
Lumenite Control Technology, Inc.
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | Auto-Sensitivity | DIN Rail | - | Relay | - | - | Conductive Liquid Level | 24VDC | |
Lumenite Control Technology, Inc.
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | Auto-Sensitivity | DIN Rail | - | Relay | - | - | Conductive Liquid Level | 110/220VAC | |
Lumenite Control Technology, Inc.
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | Auto-Sensitivity | DIN Rail | - | Relay | - | - | Conductive Liquid Level | 24VDC | |
Lumenite Control Technology, Inc.
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | Auto-Sensitivity | DIN Rail | - | Relay | - | - | Conductive Liquid Level | 110/220VAC | |
Lumenite Control Technology, Inc.
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | Auto-Sensitivity | DIN Rail | - | Relay | - | - | Conductive Liquid Level | 24VDC | |
Crouzet
|
Send RFQ |
Price on request
Price and Stock
on Request |
SPDT (1 Form C) | 8A @ 240VAC | 100m | Adjustable Sensitivity | DIN Rail | -20°C ~ 50°C | Relay | 5kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 24 ~ 240VAC/DC | |
Carlo Gavazzi
|
Send RFQ |
Price on request
Price and Stock
on Request |
DPDT (2 Form C) | 8A @ 250VAC | - | Adjustable Sensitivity | DIN Rail | -20°C ~ 50°C | Relay | 250Ohm ~ 500kOhm | Screw Terminal | High/Low Level | 24VAC/DC | |
Finder
|
Send RFQ |
Price on request
Price and Stock
on Request |
SPDT (1 Form C) | 17A @ 240VAC | - | Adjustable Sensitivity, Delay Timer | DIN Rail | -20°C ~ 60°C | Relay | 5 ~ 150kOhm | Screw Terminal | High/Low Level | 24VDC | |
Finder
|
Send RFQ |
Price on request
Price and Stock
on Request |
SPDT (1 Form C) | 17A @ 240VAC | - | Adjustable Sensitivity, Delay Timer | DIN Rail | -20°C ~ 60°C | Relay | 5 ~ 150kOhm | Screw Terminal | High/Low Level | 24VAC |
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