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 Material | Contact Rating @ Voltage | Distance | Features | Mounting Type | Operating Temperature | Operating Voltage | Output Type | Sensitivity | Termination Style | Type | Voltage | Weight | |||
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SPDT (1 Form C) | AgCdO (90/10) | 250 VAC | - | Adjustable Sensitivity; 10 Amp SPDT Rated; Sensitivity Adjustment 4.7 kΩ to 47 kΩ; One, Two or Three Probe Operation; 24 VAC to 220 VAC Voltages | DIN Rail | -10°C | 24, 48, 110, 220 VAC | SPDT relay | 4.7kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 110VAC | 130g | |
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Omron
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SPDT (2 Form C) | - | 3A @ 200VAC | 2km | Alarm High/Low - Contact, Level Indication | DIN Rail | -10°C ~ 55°C | - | Relay (2) | 0 ~ 1.8kOhm | Screw Terminal | High/Low Level | 120/240VAC | - | |
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Omron
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SPDT (2 Form C) | - | 3A @ 200VAC | 4km | Alarm High/Low - Contact, Level Indication | DIN Rail | -10°C ~ 55°C | - | Relay (2) | 0 ~ 0.7kOhm | Screw Terminal | High/Low Level | 120/240VAC | - | |
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Curtis Industries
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SPDT (1 Form C) | - | 10A @ 120VAC | - | - | Chassis Mount | 0°C ~ 60°C | - | Relay | 0 ~ 25kOhm | Quick Connect - 0.250" (6.3mm) | High/Low Level | 240VAC | - | |
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SPDT (1 Form C) | - | 8A @ 240VAC | - | Adjustable Sensitivity, Delay Timer | DIN Rail | -20°C ~ 50°C | - | Relay | 250Ohm ~ 1MOhm | Screw Terminal | High/Low Level | 120VAC | - | |
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Crouzet
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SPDT (1 Form C) | - | 8A | - | Adjustable Sensitivity | DIN Rail | -20°C ~ 60°C | - | Relay | 5kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 24VAC | - | |
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Crouzet
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SPDT (1 Form C) | - | 8A | - | Adjustable Sensitivity | DIN Rail | -20°C ~ 60°C | - | Relay | 5kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 120VAC | - | |
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Crouzet
|
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SPDT (1 Form C) | - | 8A | - | Adjustable Sensitivity | DIN Rail | -20°C ~ 60°C | - | Relay | 5kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 230VAC | - | |
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Crouzet
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SPDT (1 Form C) | - | 8A | - | Adjustable Sensitivity | DIN Rail | -20°C ~ 60°C | - | Relay | 5kOhm ~ 100kOhm | Screw Terminal | Constant Level | 24VAC | - | |
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Crouzet
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SPDT (1 Form C) | - | 8A | - | Adjustable Sensitivity | DIN Rail | -20°C ~ 60°C | - | Relay | 5kOhm ~ 100kOhm | Screw Terminal | Constant Level | 120VAC | - | |
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Crouzet
|
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SPDT (1 Form C) | - | 8A | - | Adjustable Sensitivity | DIN Rail | -20°C ~ 60°C | - | Relay | 5kOhm ~ 100kOhm | Screw Terminal | Constant Level | 230VAC | - | |
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Crouzet
|
Send RFQ |
Price on request
Price and Stock
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SPDT (1 Form C) | - | 8A | - | Adjustable Sensitivity | DIN Rail | -20°C ~ 50°C | - | Relay | 5kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 24VAC | - | |
Crouzet
|
Send RFQ |
Price on request
Price and Stock
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SPDT (1 Form C) | - | 8A | - | Adjustable Sensitivity | DIN Rail | -20°C ~ 50°C | - | Relay | 5kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 230VAC | - | |
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Crouzet
|
Send RFQ |
Price on request
Price and Stock
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SPDT (1 Form C) | - | 8A | - | Adjustable Sensitivity, Delay Timer | DIN Rail | -20°C ~ 50°C | - | Relay | 250Ohm ~ 1MOhm | Screw Terminal | High/Low Level | 24VAC | - | |
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Crouzet
|
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Price and Stock
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SPDT (1 Form C) | - | 8A | - | Adjustable Sensitivity, Delay Timer | DIN Rail | -20°C ~ 50°C | - | Relay | 250Ohm ~ 1MOhm | Screw Terminal | High/Low Level | 230VAC | - | |
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Crouzet
|
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SPDT (1 Form C) | - | 8A | 100m | Adjustable Sensitivity | Socketable | -20°C ~ 60°C | - | Relay | 5kOhm ~ 100kOhm | Plug In, 8 Pin (Octal) | High/Low Level | 24VAC | - | |
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Crouzet
|
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SPDT (1 Form C) | - | 8A | 100m | Adjustable Sensitivity | Socketable | -20°C ~ 60°C | - | Relay | 5kOhm ~ 100kOhm | Plug In, 8 Pin (Octal) | High/Low Level | 120VAC | - | |
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Crouzet
|
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SPDT (1 Form C) | - | 8A | 100m | Adjustable Sensitivity | Socketable | -20°C ~ 60°C | - | Relay | 5kOhm ~ 100kOhm | Plug In, 8 Pin (Octal) | High/Low Level | 230VAC | - | |
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Crouzet
|
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SPDT (1 Form C) | - | 8A | 100m | Adjustable Sensitivity | Socketable | -20°C ~ 60°C | - | Relay | 5kOhm ~ 100kOhm | Plug In, 11 Pin (Octal) | High/Low Level | 24VAC | - | |
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Crouzet
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SPDT (1 Form C) | - | 8A | 100m | Adjustable Sensitivity | Socketable | -20°C ~ 60°C | - | Relay | 5kOhm ~ 100kOhm | Plug In, 11 Pin (Octal) | High/Low Level | 120VAC | - | |
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Crouzet
|
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SPDT (1 Form C) | - | 8A | 100m | Adjustable Sensitivity | Socketable | -20°C ~ 60°C | - | Relay | 5kOhm ~ 100kOhm | Plug In, 11 Pin (Octal) | High/Low Level | 230VAC | - | |
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Crouzet
|
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SPDT (1 Form C) | - | 8A | 100m | Adjustable Sensitivity | Socketable | -20°C ~ 60°C | - | Relay | 5kOhm ~ 100kOhm | Plug In, 11 Pin (Octal) | High/Low Level (2) | 24VAC | - | |
Crouzet
|
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SPDT (1 Form C) | - | 8A | 100m | Adjustable Sensitivity | Socketable | -20°C ~ 60°C | - | Relay | 5kOhm ~ 100kOhm | Plug In, 11 Pin (Octal) | High/Low Level (2) | 120VAC | - | |
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Crouzet
|
Send RFQ |
Price on request
Price and Stock
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SPDT (1 Form C) | - | 8A | 100m | Adjustable Sensitivity | Socketable | -20°C ~ 60°C | - | Relay | 5kOhm ~ 100kOhm | Plug In, 11 Pin (Octal) | High/Low Level (2) | 230VAC | - | |
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Crouzet
|
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SPDT (1 Form C) | - | 8A @ 250VDC | - | Adjustable Sensitivity, Alarm High/Low - Contact and LED Indication | DIN Rail | -20°C ~ 60°C | - | Relay (2) | 5kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 24VAC | - | |
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Crouzet
|
Send RFQ |
Price on request
Price and Stock
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SPDT (1 Form C) | - | 8A @ 250VDC | - | Adjustable Sensitivity, Alarm High/Low - Contact and LED Indication | DIN Rail | -20°C ~ 60°C | - | Relay (2) | 5kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 48VAC | - | |
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Crouzet
|
Send RFQ |
Price on request
Price and Stock
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SPDT (1 Form C) | - | 8A @ 250VDC | - | Adjustable Sensitivity, Alarm High/Low - Contact and LED Indication | DIN Rail | -20°C ~ 60°C | - | Relay (2) | 5kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 120VAC | - | |
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Crouzet
|
Send RFQ |
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SPDT (1 Form C) | - | 5A @ 250VDC | 100m | Delay Timer | DIN Rail | -20°C ~ 50°C | - | Relay | - | Screw Terminal | Constant Level | 24 ~ 240VAC/DC | - | |
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Crouzet
|
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Price on request
Price and Stock
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SPDT (1 Form C) | - | 8A @ 250VAC | - | Adjustable Sensitivity, Alarm High/Low - Contact and LED Indication | DIN Rail | -20°C ~ 60°C | - | Relay (2) | 250Ohm ~ 5kOhm | Screw Terminal | High/Low Level | 230VAC | - | |
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Crouzet
|
Send RFQ |
Price on request
Price and Stock
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SPDT (1 Form C) | - | 10A @ 250VAC | - | Adjustable Sensitivity | DIN Rail | -10°C ~ 60°C | - | Relay | 4.7kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 220VAC | - | |
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Crouzet
|
Send RFQ |
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SPDT (1 Form C) | - | 10A @ 250VAC | 91.44m | - | DIN Rail | -10°C ~ 60°C | - | Relay | 0 ~ 100kOhm | Screw Terminal | Constant Level | 110VAC | - | |
Crouzet
|
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Price and Stock
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SPDT (1 Form C) | - | 10A @ 250VAC | 91.44m | Adjustable Sensitivity | DIN Rail | -10°C ~ 60°C | - | Relay | 4.7kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 110VAC | - | |
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Crouzet
|
Send RFQ |
Price on request
Price and Stock
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SPDT (1 Form C) | - | 10A @ 250VAC | 91.44m | Adjustable Sensitivity | DIN Rail | -10°C ~ 60°C | - | Relay | 4.7kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 220VAC | - | |
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Crouzet
|
Send RFQ |
Price on request
Price and Stock
on Request |
SPDT (1 Form C) | - | 10A @ 250VAC | - | Adjustable Sensitivity | Socketable | -10°C ~ 60°C | - | Relay | 4.7kOhm ~ 100kOhm | Plug In, 11 Pin (Octal) | High/Low Level | 110VAC | - | |
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Crouzet
|
Send RFQ |
Price on request
Price and Stock
on Request |
SPDT (1 Form C) | - | 10A @ 250VAC | - | Adjustable Sensitivity | Socketable | -10°C ~ 60°C | - | Relay | 4.7kOhm ~ 100kOhm | Plug In, 11 Pin (Octal) | High/Low Level | 24VAC | - | |
Crouzet
|
Send RFQ |
Price on request
Price and Stock
on Request |
SPDT (1 Form C) | - | 10A @ 250VAC | 91.44m | - | Socketable | -10°C ~ 60°C | - | Relay | 0 ~ 100kOhm | Plug In, 11 Pin (Octal) | Constant Level | 24VAC | - | |
Crouzet
|
Send RFQ |
Price on request
Price and Stock
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SPDT (1 Form C) | - | 10A @ 250VAC | - | Adjustable Sensitivity | Chassis Mount | -10°C ~ 60°C | - | Relay | 4.7kOhm ~ 47kOhm | Quick Connect - 0.250" (6.3mm) | High/Low Level | 110VAC | - | |
Crouzet
|
Send RFQ |
Price on request
Price and Stock
on Request |
SPDT (1 Form C) | - | 10A @ 250VAC | - | Adjustable Sensitivity | Chassis Mount | -10°C ~ 60°C | - | Relay | 4.7kOhm ~ 47kOhm | Quick Connect - 0.250" (6.3mm) | High/Low Level | 220VAC | - | |
|
Crouzet
|
Send RFQ |
Price on request
Price and Stock
on Request |
SPDT (1 Form C) | - | 10A @ 250VAC | - | Adjustable Sensitivity | Chassis Mount | -10°C ~ 60°C | - | Relay | 4.7kOhm ~ 47kOhm | Quick Connect - 0.250" (6.3mm) | High/Low Level | 24VAC | - | |
Crouzet
|
Send RFQ |
Price on request
Price and Stock
on Request |
SPDT (1 Form C) | - | 10A @ 250VAC | - | Adjustable Sensitivity | Socketable | -10°C ~ 60°C | - | Relay | 4.7kOhm ~ 100kOhm | Plug In, 8 Pin (Octal) | High/Low Level | 220VAC | - | |
Crouzet
|
Send RFQ |
Price on request
Price and Stock
on Request |
SPDT (1 Form C) | - | 10A @ 250VAC | 91.44m | - | Socketable | -10°C ~ 60°C | - | Relay | 0 ~ 100kOhm | Plug In, 8 Pin (Octal) | Constant Level | 110VAC | - | |
Crouzet
|
Send RFQ |
Price on request
Price and Stock
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SPDT (1 Form C) | - | 10A @ 250VAC | 91.44m | Adjustable Sensitivity | Socketable | -10°C ~ 60°C | - | Relay | 4.7kOhm ~ 100kOhm | Plug In, 8 Pin (Octal) | High/Low Level | 220VAC | - | |
Crouzet
|
Send RFQ |
Price on request
Price and Stock
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SPDT (1 Form C) | - | 10A @ 250VAC | 91.44m | Adjustable Sensitivity | Socketable | -10°C ~ 60°C | - | Relay | 4.7kOhm ~ 100kOhm | Plug In, 8 Pin (Octal) | High/Low Level | 24VAC | - | |
|
Crouzet
|
Send RFQ |
Price on request
Price and Stock
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SPDT (1 Form C) | - | 8A | 100m | Adjustable Sensitivity | Socketable | -20°C ~ 60°C | - | Relay | 5kOhm ~ 100kOhm | Plug In, 11 Pin (Octal) | High/Low Level | 230VAC | - | |
|
Crouzet
|
Send RFQ |
Price on request
Price and Stock
on Request |
SPDT (1 Form C) | - | 8A | 100m | Adjustable Sensitivity | Socketable | -20°C ~ 60°C | - | Relay | 5kOhm ~ 100kOhm | Plug In, 11 Pin (Octal) | High/Low Level (2) | 230VAC | - | |
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Omron
|
Send RFQ |
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SPDT (2 Form C) | - | 5A @ 200VAC | 1km | Alarm High/Low - Contact, Level Indication | Socketable | -10°C ~ 55°C | - | Relay (2) | 0 ~ 4kOhm | Plug In, 15 Pin (Octal) | High/Low Level | 110VAC | - | |
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Omron
|
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Price on request
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SPDT (1 Form C) | - | 6A @ 250VAC | 100m | Adjustable Sensitivity, Delay Timer | DIN Rail | -20°C ~ 60°C | - | Relay | 10kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 100 ~ 240VAC | - | |
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Omron
|
Send RFQ |
Price on request
Price and Stock
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SPDT (1 Form C) | - | 6A @ 250VAC | 100m | Adjustable Sensitivity, Delay Timer | DIN Rail | -20°C ~ 60°C | - | Relay | 10kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 24VAC/DC | - | |
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Omron
|
Send RFQ |
Price on request
Price and Stock
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SPDT (2 Form C) | - | 5A @ 200VAC | 1km | Alarm High/Low - Contact, Level Indication | Socketable | -10°C ~ 55°C | - | Relay (2) | 0 ~ 4kOhm | Plug In, 15 Pin (Octal) | High/Low Level | 120VAC | - | |
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Omron
|
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SPDT (1 Form C) | - | 3A @ 250VAC | - | Alarm Leak - Audible and Contact and LED Indication, Adjustable Sensitivity | Chassis Mount | -10°C ~ 50°C | - | Relay | 0 ~ 50kOhm | Screw Terminal | Leak Detection | 110/220VAC | - |
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