Allen Bradley 840 Switches

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.

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Browse 840 Switches

Browse available units in our catalog of 840 Switches.

840-4A1

This model is equipped with a base-mounted configuration and uses a double arm lever along with a single-sheave wheel pulley. It can operate in temperatures from -30°C to 66°C and supports a wide humi

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4.9

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840-1AD

This electro-mechanical float switch is designed with a single arm lever for base mounting. It's constructed from stainless steel and has a rod length of 9 feet. It operates effectively within a tempe

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4.8

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840-6BCE47

This float switch operates at a rated voltage of 600V AC and has a maximum DC voltage rating of 250V. It features a contact configuration that includes one normally open (N.O.) contact and one normall

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4.6

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840-B4

This automatic float switch includes a fiberglass polyester enclosure rated as Type 4. The product has one normally open and one normally closed contact, with a maximum contact rating of 60 A. It is c

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5.0

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