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 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Finder
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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 | 230 ~ 240VAC | |
Mueller Electric Co
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SPDT (1 Form C) | 10A @ 240VAC | - | - | Socketable | -20°C ~ 55°C | Relay | - | Plug In, 8 Pin (Octal) | Alternate Supply Control | 120VAC/DC | |
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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SPDT (1 Form C) | 10A @ 120VAC | - | LED Indicator | Chassis Mount | -40°C ~ 60°C | Relay | Fixed, 25kOhm | Quick Connect - 0.187"/0.250" | Constant Level | 120VAC | |
Littelfuse Inc.
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SPDT (1 Form C) | 10A @ 120VAC | - | LED Indicator | Chassis Mount | -40°C ~ 60°C | Relay | Fixed, 26kOhm | Quick Connect - 0.187"/0.250" | Constant Level | 120VAC | |
Mueller Electric Co
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DPDT (2 Form C) | 10A @ 240VAC | - | - | Socketable | -20°C ~ 55°C | Relay | - | Plug In, 11 Pin (Octal) | Alternate Supply Control | 120VAC/DC | |
Littelfuse Inc.
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SPDT (1 Form C) | 4A @ 240VAC | - | Adjustable Sensitivity | Socketable | -20°C ~ 60°C | Relay | 1 ~ 250kOhm | Plug In, 8 Pin (Octal) | Constant Level | 120VAC | |
Littelfuse Inc.
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SPDT (1 Form C) | 4A @ 240VAC | - | Adjustable Sensitivity | Socketable | -20°C ~ 60°C | Relay | 1 ~ 250kOhm | Plug In, 8 Pin (Octal) | Constant Level | 120VAC | |
Crouzet
|
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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 | 24 ~ 240VAC/DC | |
Littelfuse Inc.
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- | 10A @ 240VAC | - | Adjustable Sensitivity | Socketable | -40°C ~ 70°C | Relay | 4.7kOhm ~ 100kOhm | Plug In, 8 Pin (Octal) | High/Low Level | 95 ~ 120VAC | |
Omron
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SPDT (1 Form C) | 5A @ 250VAC | 100m | Delay Timer | DIN Rail | -20°C ~ 60°C | Relay | 10 ~ 100kOhm | Spring Terminal | Constant Level | 100 ~ 240VAC | |
Littelfuse Inc.
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SPDT (1 Form C) x 2 | 5A @ 240VAC | - | Adjustable Sensitivity | DIN Rail | -20°C ~ 55°C | Relay | 4.7kOhm ~ 100kOhm | Screw Terminal | Leak Detection | 120VAC | |
Carlo Gavazzi
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DPDT (2 Form C) | 8A @ 250VAC | - | Adjustable Sensitivity | Socketable | -20°C ~ 50°C | Relay | 250Ohm ~ 500kOhm | Plug In, 11 Pin (Octal) | High/Low Level | 115VAC | |
Carlo Gavazzi
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SPDT (1 Form C) | 8A @ 250VAC | - | Adjustable Sensitivity | Socketable | -20°C ~ 50°C | Relay | 250Ohm ~ 500kOhm | Plug In, 11 Pin (Octal) | High/Low Level | 24VAC/DC | |
Omron
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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 | 220VAC | |
Omron
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SPST-NO (1 Form A) | 5A @ 240VAC | 100m | Adjustable Sensitivity | Socketable | -10°C ~ 55°C | Relay | 0 ~ 100kOhm | Plug In, 11 Pin (Octal) | High/Low Level | 24VDC | |
Omron
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- | - | - | - | Socketable | -10°C ~ 55°C | - | 0 ~ 4kOhm | Plug In, 8 Pin (Octal) | High/Low Level | 120VAC | |
|
SeaHawk
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- | 0.5A @ 120VAC | 91.44m | Adjustable Sensitivity | - | 0°C ~ 50°C | Relay | - | Screw Terminal | Leak Detection | 5VDC | |
Carlo Gavazzi
|
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SPDT (1 Form C) | 8A @ 250VAC | - | Adjustable Sensitivity | Socketable | -20°C ~ 50°C | Relay | 250Ohm ~ 500kOhm | Plug In, 11 Pin (Octal) | High/Low Level | 115VAC | |
Carlo Gavazzi
|
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DPDT (2 Form C) | 8A @ 250VAC | - | Adjustable Sensitivity | Socketable | -20°C ~ 50°C | Relay | 250Ohm ~ 500kOhm | Plug In, 11 Pin (Octal) | High/Low Level | 24VAC/DC | |
Omron
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SPDT (2 Form C) | 3A @ 250VAC | 1km | - | Socketable | -10°C ~ 55°C | Relay | 0 ~ 1.3kOhm | Plug In, 11 Pin (Octal) | High/Low Level | 100VAC | |
Carlo Gavazzi
|
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DPDT (2 Form C) | 8A @ 250VAC | - | Adjustable Sensitivity | DIN Rail | -20°C ~ 50°C | Relay | 250Ohm ~ 500kOhm | Screw Terminal | High/Low Level | 115VAC | |
Carlo Gavazzi
|
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SPST-NO (1 Form A) x 2 | 8A @ 250VAC | - | Adjustable Sensitivity | Socketable | -20°C ~ 50°C | Relay | 250Ohm ~ 500kOhm | Plug In, 11 Pin (Octal) | High/Low Level | 115VAC | |
Carlo Gavazzi
|
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SPST-NO (1 Form A) x 2 | 8A @ 250VAC | - | Adjustable Sensitivity | Socketable | -20°C ~ 50°C | Relay | 250Ohm ~ 500kOhm | Plug In, 11 Pin (Octal) | High/Low Level | 24VAC/DC | |
Carlo Gavazzi
|
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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 | 115VAC | |
Selec Controls USA Inc.
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SPST-NO (1 Form A) | 5A @ 250VAC | - | Delay Timer, Level Indication | DIN Rail | 0°C ~ 50°C | Relay | - | Screw Terminal | High/Low Level | 85 ~ 270VAC/DC | |
|
Curtis Industries
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DPDT (2 Form C) | 10A @ 120VAC | - | - | Chassis Mount | 0°C ~ 60°C | Relay | 0 ~ 50kOhm | Quick Connect - 0.250" (6.3mm) | High/Low Level | 120VAC | |
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Curtis Industries
|
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SPDT (1 Form C) | 10A @ 120VAC | - | Adjustable Sensitivity, Delay Timer | Chassis Mount | 0°C ~ 60°C | Relay | 1kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 120VAC | |
Omron
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- | - | - | - | Socketable | -10°C ~ 55°C | - | 0 ~ 4kOhm | Plug In, 8 Pin (Octal) | High/Low Level | 24VAC | |
|
Curtis Industries
|
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SPDT (1 Form C) | 10A @ 120VAC | - | Adjustable Sensitivity, Auxiliary Contactor | Chassis Mount | 0°C ~ 60°C | Relay | 0 ~ 100kOhm | Screw Terminal | High/Low Level | 120VAC | |
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SeaHawk
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- | 0.5A @ 120VAC | 91.44m | Adjustable Sensitivity | - | 0°C ~ 50°C | Relay | - | Screw Terminal | Leak Detection | 5VDC | |
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SeaHawk
|
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- | 0.5A @ 120VAC | 304.8m | Adjustable Sensitivity, LED Indication | Chassis Mount | 0°C ~ 50°C | Relay | - | Cable Leads | Leak Detection | 24VDC | |
|
Finder
|
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SPDT (1 Form C) | 16A @ 250VAC | - | LED Indicator | DIN Rail | -20°C ~ 60°C | Relay | Fixed, 150kOhm | Screw Terminal | High/Low Level | 24VDC | |
|
Finder
|
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SPDT (1 Form C) | 16A @ 250VAC | - | LED Indicator | DIN Rail | -20°C ~ 60°C | Relay | Fixed, 150kOhm | Screw Terminal | High/Low Level | 110 ~ 240VAC | |
Crouzet
|
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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, 11 Pin (Octal) | High/Low Level | 110VAC | |
Littelfuse Inc.
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SPDT (1 Form C) | 10A @ 120VAC | - | LED Indicator | Chassis Mount | -40°C ~ 60°C | Relay | Fixed, 12kOhm | Quick Connect - 0.187"/0.250" | Constant Level | 230VAC | |
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Littelfuse Inc.
|
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SPDT (1 Form C) | 10A @ 120VAC | - | LED Indicator | Chassis Mount | -40°C ~ 70°C | Relay | Fixed, 5kOhm | Quick Connect - 0.187"/0.250" | Constant Level | 24VAC | |
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Littelfuse Inc.
|
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SPDT (1 Form C) | 10A @ 120VAC | - | LED Indicator | Chassis Mount | -40°C ~ 70°C | Relay | Fixed, 250kOhm | Quick Connect - 0.187"/0.250" | Constant Level | 120VAC | |
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Littelfuse Inc.
|
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SPDT (1 Form C) | 10A @ 120VAC | - | LED Indicator | Chassis Mount | -40°C ~ 70°C | Relay | Fixed, 26kOhm | Quick Connect - 0.187"/0.250" | Constant Level | 120VAC | |
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Littelfuse Inc.
|
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SPDT (1 Form C) | 10A @ 120VAC | - | LED Indicator | Chassis Mount | -40°C ~ 70°C | Relay | Fixed, 10kOhm | Quick Connect - 0.187"/0.250" | Constant Level | 120VAC | |
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Littelfuse Inc.
|
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SPDT (1 Form C) | 10A @ 120VAC | - | LED Indicator | Chassis Mount | -40°C ~ 70°C | Relay | Fixed, 26kOhm | Quick Connect - 0.187"/0.250" | Constant Level | 120VAC | |
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Littelfuse Inc.
|
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SPDT (1 Form C) | 10A @ 120VAC | - | LED Indicator | Chassis Mount | -40°C ~ 70°C | Relay | Fixed, 26kOhm | Quick Connect - 0.187"/0.250" | Constant Level | 230VAC | |
Littelfuse Inc.
|
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SPST-NO (1 Form A), SPDT (1 Form C) | 10A @ 120VAC/28VDC | - | Adjustable Sensitivity | Chassis Mount | -20°C ~ 55°C | Relay | 1 ~ 250kOhm | Quick Connect - 0.250" (6.3mm) | Constant Level | 120VAC | |
Littelfuse Inc.
|
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SPST-NO (1 Form A), SPDT (1 Form C) | 10A @ 120VAC/28VDC | - | Adjustable Sensitivity | Chassis Mount | -20°C ~ 55°C | Relay | 1 ~ 250kOhm | Quick Connect - 0.250" (6.3mm) | Constant Level | 230VAC | |
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Littelfuse Inc.
|
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SPST-NO (1 Form A), SPDT (1 Form C) | 10A @ 120VAC/28VDC | - | Adjustable Sensitivity | Chassis Mount | -20°C ~ 55°C | Relay | 1kOhm ~ 250kOhm | Quick Connect - 0.250" (6.3mm) | Constant Level | 120VAC | |
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Littelfuse Inc.
|
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SPST-NO (1 Form A), SPDT (1 Form C) | 10A @ 120VAC/28VDC | - | Adjustable Sensitivity | Chassis Mount | -20°C ~ 55°C | Relay | 1kOhm ~ 250kOhm | Quick Connect - 0.250" (6.3mm) | Constant Level | 120VAC | |
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Littelfuse Inc.
|
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SPST-NO (1 Form A), SPDT (1 Form C) | 10A @ 120VAC/28VDC | - | Adjustable Sensitivity | Chassis Mount | -20°C ~ 55°C | Relay | 1kOhm ~ 250kOhm | Quick Connect - 0.250" (6.3mm) | Constant Level | 120VAC | |
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Littelfuse Inc.
|
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SPST-NO (1 Form A), SPDT (1 Form C) | 10A @ 120VAC/28VDC | - | Adjustable Sensitivity | Chassis Mount | -20°C ~ 55°C | Relay | 1kOhm ~ 250kOhm | Quick Connect - 0.250" (6.3mm) | Constant Level | 120VAC | |
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Littelfuse Inc.
|
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SPST-NO (1 Form A), SPDT (1 Form C) | 10A @ 120VAC/28VDC | - | Adjustable Sensitivity | Chassis Mount | -20°C ~ 55°C | Relay | 1kOhm ~ 250kOhm | Quick Connect - 0.250" (6.3mm) | Constant Level | 230VAC | |
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Littelfuse Inc.
|
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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 | 24VAC |
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