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 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Curtis Industries
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SPDT (1 Form C) | 10A @ 120VAC | - | Adjustable Sensitivity, Auxiliary Contactor, Delay Timer | Chassis Mount | 0°C ~ 60°C | Relay | 1kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 24VAC | |
|
Curtis Industries
|
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Price on request
Price and Stock
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SPDT (1 Form C) | 10A @ 120VAC | - | Adjustable Sensitivity, Auxiliary Contactor, Delay Timer | Chassis Mount | 0°C ~ 60°C | Relay | 1kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 240VAC | |
|
Curtis Industries
|
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Price on request
Price and Stock
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SPDT (1 Form C) | 10A @ 120VAC | - | Adjustable Sensitivity, Auxiliary Contactor, Delay Timer | Chassis Mount | 0°C ~ 60°C | Relay | 1kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 120VAC | |
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Omron
|
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SPDT (2 Form C) | 5A @ 220VAC | - | Adjustable Sensitivity | Socketable | -10°C ~ 55°C | Relay | 0 ~ 5MOhm | Plug In, 8 Pin (Octal) | High/Low Level | 220VAC | |
|
Curtis Industries
|
Send RFQ |
Price on request
Price and Stock
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SPDT (1 Form C) | 10A @ 120VAC | - | Adjustable Sensitivity, Auxiliary Contactor, NEMA 3 Rated Enclosure Included | Chassis Mount | 0°C ~ 60°C | Relay | 0 ~ 100kOhm | Screw Terminal | High/Low Level | 24VAC | |
|
Curtis Industries
|
Send RFQ |
Price on request
Price and Stock
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SPDT (1 Form C) | 10A @ 120VAC | - | Adjustable Sensitivity, Auxiliary Contactor, NEMA 3 Rated Enclosure Included | Chassis Mount | 0°C ~ 60°C | Relay | 0 ~ 100kOhm | Screw Terminal | High/Low Level | 240VAC | |
|
Curtis Industries
|
Send RFQ |
Price on request
Price and Stock
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SPDT (1 Form C) | 10A @ 120VAC | - | Adjustable Sensitivity, Auxiliary Contactor, NEMA 3 Rated Enclosure Included | Chassis Mount | 0°C ~ 60°C | Relay | 0 ~ 100kOhm | Screw Terminal | High/Low Level | 120VAC | |
|
Curtis Industries
|
Send RFQ |
Price on request
Price and Stock
on Request |
SPDT (1 Form C) | 10A @ 120VAC | - | Adjustable Sensitivity, Auxiliary Contactor, Delay Timer, NEMA 3 Rated Enclosure Included | Chassis Mount | 0°C ~ 60°C | Relay | 1kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 24VAC | |
|
Curtis Industries
|
Send RFQ |
Price on request
Price and Stock
on Request |
SPDT (1 Form C) | 10A @ 120VAC | - | Adjustable Sensitivity, Auxiliary Contactor, Delay Timer, NEMA 3 Rated Enclosure Included | Chassis Mount | 0°C ~ 60°C | Relay | 1kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 240VAC | |
|
Curtis Industries
|
Send RFQ |
Price on request
Price and Stock
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SPDT (1 Form C) | 10A @ 120VAC | - | Adjustable Sensitivity, Auxiliary Contactor, Delay Timer, NEMA 3 Rated Enclosure Included | Chassis Mount | 0°C ~ 60°C | Relay | 1kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 120VAC | |
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Omron
|
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SPDT (2 Form C) | 5A @ 200VAC | 1km | Alarm Low - Contact, Idling Prevention | Socketable | -10°C ~ 55°C | Relay | 0 ~ 4kOhm | Plug In, 15 Pin (Octal) | High/Low Level | 100VAC | |
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Omron
|
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Price on request
Price and Stock
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SPDT (2 Form C) | 5A @ 220VAC | 1km | - | Chassis Mount | -10°C ~ 55°C | Relay | 0 ~ 1.8kOhm | Screw Terminal | High/Low Level | 110/220VAC | |
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Omron
|
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Price on request
Price and Stock
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SPDT (2 Form C) | 3A @ 250VAC | 600m | - | Socketable | -10°C ~ 55°C | Relay | 0 ~ 4kOhm | Plug In, 8 Pin (Octal) | High/Low Level | 240VAC | |
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 | 230VAC | |
|
Curtis Industries
|
Send RFQ |
Price on request
Price and Stock
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SPDT (1 Form C) | 10A @ 120VAC | - | Adjustable Sensitivity, Delay Timer, NEMA 3 Rated Enclosure Included | Chassis Mount | 0°C ~ 60°C | Relay | 1kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 24VAC | |
|
Curtis Industries
|
Send RFQ |
Price on request
Price and Stock
on Request |
SPDT (1 Form C) | 10A @ 120VAC | - | Adjustable Sensitivity, Delay Timer, NEMA 3 Rated Enclosure Included | Chassis Mount | 0°C ~ 60°C | Relay | 1kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 240VAC | |
|
Curtis Industries
|
Send RFQ |
Price on request
Price and Stock
on Request |
SPDT (1 Form C) | 10A @ 120VAC | - | Adjustable Sensitivity, Delay Timer, NEMA 3 Rated Enclosure Included | Chassis Mount | 0°C ~ 60°C | Relay | 1kOhm ~ 100kOhm | Screw Terminal | High/Low Level | 120VAC | |
|
Omron
|
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Price on request
Price and Stock
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SPDT (2 Form C) | 5A @ 200VAC | 1km | Alarm Low - Contact, Idling Prevention | Socketable | -10°C ~ 55°C | Relay | 0 ~ 4kOhm | Plug In, 15 Pin (Octal) | High/Low Level | 220VAC | |
|
Omron
|
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Price on request
Price and Stock
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SPDT (2 Form C) | 5A @ 200VAC | 1km | Alarm Low - Contact, Idling Prevention | Socketable | -10°C ~ 55°C | Relay | 0 ~ 4kOhm | Plug In, 15 Pin (Octal) | High/Low Level | 200VAC | |
Carlo Gavazzi
|
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Price on request
Price and Stock
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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 | 230VAC | |
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Omron
|
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Price on request
Price and Stock
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SPDT (1 Form C), SPDT (2 Form C) | 5A @ 220VAC | 1km | Alarm High - Contact | Chassis Mount | -10°C ~ 55°C | Relay (2) | 0 ~ 4kOhm | Screw Terminal | High/Low Level | 100/200VAC | |
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Omron
|
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Price on request
Price and Stock
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SPDT (1 Form C), SPDT (2 Form C) | 3A @ 200VAC | 1km | Alarm High - Contact | DIN Rail | -10°C ~ 55°C | Relay (2) | 0 ~ 4kOhm | Screw Terminal | High/Low Level | 100/200VAC | |
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Omron
|
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Price on request
Price and Stock
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SPDT (1 Form C), SPDT (2 Form C) | 3A @ 200VAC | 1km | Alarm High - Contact | DIN Rail | -10°C ~ 55°C | Relay (2) | 0 ~ 4kOhm | Screw Terminal | High/Low Level | 110/220VAC | |
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Omron
|
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Price on request
Price and Stock
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SPDT (2 Form C) | 5A @ 220VAC | 1km | Level Indication | Chassis Mount | -10°C ~ 55°C | Relay | 0 ~ 4kOhm | Screw Terminal | High/Low Level | 100/200VAC | |
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Omron
|
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Price on request
Price and Stock
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SPDT (2 Form C) | 5A @ 220VAC | - | Adjustable Sensitivity | Socketable | -10°C ~ 55°C | Relay | 0 ~ 5MOhm | Plug In, 8 Pin (Octal) | High/Low Level | 100VAC | |
|
Omron
|
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Price on request
Price and Stock
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SPDT (2 Form C) | 5A @ 220VAC | - | Adjustable Sensitivity | Socketable | -10°C ~ 55°C | Relay | 0 ~ 5MOhm | Plug In, 8 Pin (Octal) | High/Low Level | 110VAC | |
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Omron
|
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Price on request
Price and Stock
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SPDT (2 Form C) | 5A @ 220VAC | - | Adjustable Sensitivity | Socketable | -10°C ~ 55°C | Relay | 0 ~ 5MOhm | Plug In, 8 Pin (Octal) | High/Low Level | 115VAC | |
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Omron
|
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Price on request
Price and Stock
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SPDT (2 Form C) | 5A @ 220VAC | - | Adjustable Sensitivity | Socketable | -10°C ~ 55°C | Relay | 0 ~ 5MOhm | Plug In, 8 Pin (Octal) | High/Low Level | 24VAC | |
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Omron
|
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- | - | 30m | - | Socketable | -10°C ~ 55°C | - | 0 ~ 200kOhm | Plug In, 11 Pin (Octal) | High/Low Level | 100VAC | |
|
Omron
|
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Price on request
Price and Stock
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SPDT (2 Form C) | 5A @ 220VAC | 1km | Level Indication | Chassis Mount | -10°C ~ 55°C | Relay | 0 ~ 4kOhm | Screw Terminal | High/Low Level | 110/220VAC | |
|
Omron
|
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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 | 220VAC | |
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Omron
|
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- | - | 30m | - | Socketable | -10°C ~ 55°C | - | 0 ~ 200kOhm | Plug In, 11 Pin (Octal) | High/Low Level | 200VAC | |
|
Curtis Industries
|
Send RFQ |
Price on request
Price and Stock
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SPDT (1 Form C) | 10A @ 120VAC | - | Adjustable Sensitivity, Auxiliary Contactor | Chassis Mount | 0°C ~ 60°C | Relay | 0 ~ 3MOhm | Screw Terminal | High/Low Level | 240VAC | |
|
Curtis Industries
|
Send RFQ |
Price on request
Price and Stock
on Request |
SPDT (1 Form C) | 10A @ 120VAC | - | Adjustable Sensitivity, Auxiliary Contactor | Chassis Mount | 0°C ~ 60°C | Relay | 0 ~ 3MOhm | Screw Terminal | High/Low Level | 120VAC | |
|
Curtis Industries
|
Send RFQ |
Price on request
Price and Stock
on Request |
SPDT (1 Form C) | 10A @ 120VAC | - | Adjustable Sensitivity, NEMA 3 Rated Enclosure Included | Chassis Mount | 0°C ~ 60°C | Relay | 0 ~ 3MOhm | Screw Terminal | High/Low Level | 240VAC | |
|
Curtis Industries
|
Send RFQ |
Price on request
Price and Stock
on Request |
SPDT (1 Form C) | 10A @ 120VAC | - | Adjustable Sensitivity, NEMA 3 Rated Enclosure Included | Chassis Mount | 0°C ~ 60°C | Relay | 0 ~ 3MOhm | Screw Terminal | High/Low Level | 120VAC | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
on Request |
SPDT (2 Form C) | 3A @ 200VAC | 1km | Alarm Low - Contact, Idling Prevention | DIN Rail | -10°C ~ 55°C | Relay (2) | 0 ~ 1.8kOhm | Screw Terminal | High/Low Level | 110/120VAC | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
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SPDT (2 Form C) | 3A @ 200VAC | 2km | Alarm Low - Contact, Idling Prevention | DIN Rail | -10°C ~ 55°C | Relay (2) | 0 ~ 1.8kOhm | Screw Terminal | High/Low Level | 110/220VAC | |
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Omron
|
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Price on request
Price and Stock
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SPDT (2 Form C) | 3A @ 200VAC | 800m | Alarm Low - Contact, Idling Prevention, Two Wire/Three Probe | DIN Rail | -10°C ~ 55°C | Relay (2) | 0 ~ 1.1kOhm | Screw Terminal | High/Low Level | 110/220VAC | |
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Omron
|
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Price on request
Price and Stock
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SPDT (1 Form C), SPDT (2 Form C) | 3A @ 200VAC | 1km | Alarm High - Contact | DIN Rail | -10°C ~ 55°C | Relay (2) | 0 ~ 1.8kOhm | Screw Terminal | High/Low Level | 110/220VAC | |
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Omron
|
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Price on request
Price and Stock
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SPDT (1 Form C), SPDT (2 Form C) | 3A @ 200VAC | 50m | Alarm High - Contact | DIN Rail | -10°C ~ 55°C | Relay (2) | 10kOhm ~ 40kOhm | Screw Terminal | High/Low Level | 110/220VAC | |
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Omron
|
Send RFQ |
Price on request
Price and Stock
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SPDT (1 Form C), SPDT (2 Form C) | 3A @ 200VAC | 2km | Alarm High - Contact | DIN Rail | -10°C ~ 55°C | Relay (2) | 0 ~ 1.8kOhm | Screw Terminal | High/Low Level | 110/220VAC | |
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Omron
|
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Price on request
Price and Stock
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SPDT (1 Form C), SPDT (2 Form C) | 3A @ 200VAC | 4km | Alarm High - Contact | DIN Rail | -10°C ~ 55°C | Relay (2) | 0 ~ 0.7kOhm | Screw Terminal | High/Low Level | 110/220VAC | |
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Omron
|
Send RFQ |
Price on request
Price and Stock
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SPDT (1 Form C), SPDT (2 Form C) | 3A @ 200VAC | 800m | Alarm High - Contact, Two Wire/Three Probe | DIN Rail | -10°C ~ 55°C | Relay (2) | 0 ~ 1.1kOhm | Screw Terminal | High/Low Level | 110/220VAC | |
|
Omron
|
Send RFQ |
Price on request
Price and Stock
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SPDT (2 Form C) | 5A @ 220VAC | 1km | Alarm High/Low - Contact | Chassis Mount | -10°C ~ 55°C | Relay (3) | 0 ~ 4kOhm | Screw Terminal | High/Low Level | 110/220VAC | |
|
Carlo Gavazzi
|
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Price on request
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DPDT (2 Form C) | 8A @ 250VAC | - | Adjustable Sensitivity | DIN Rail | -20°C ~ 50°C | Relay | 200Ohm ~ 220kOhm | Screw Terminal | High/Low Level | 230VAC | |
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Omron
|
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Price on request
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SPDT (2 Form C) | 5A @ 220VAC | 50m | Alarm Low - Contact, Idling Prevention | Chassis Mount | -10°C ~ 55°C | Relay (2) | 15kOhm ~ 70kOhm | Screw Terminal | High/Low Level | 110/220VAC | |
Crouzet
|
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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 | 110VAC | |
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, 8 Pin (Octal) | High/Low Level | 110VAC | |
Omron
|
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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 | 100 ~ 240VAC |
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