McDonnell & Miller FS5-1 Inline Flow Switch for Liquids
The MCDONNELL & MILLER Flow Switch is an inline switch for liquids designed for a 1 in pipe size. This brass unit features a 1 in NPT connection and an SPDT switch with a contact rating of 22.2 A @ 240V (Locked…
SKU 3G-OTH-88589
Also listed as: FS51 · FS5 1
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Product Description
The MCDONNELL & MILLER Flow Switch is an inline switch for liquids designed for a 1 in pipe size. This brass unit features a 1 in NPT connection and an SPDT switch with a contact rating of 22.2 A @ 240V (Locked Rotor). It is identified by manufacturer part number FS5-1.
Frequently Asked Questions
What is the MCDONNELL & MILLER FS5-1 flow switch used for?
The MCDONNELL & MILLER FS5-1 flow switch is used to detect liquid flow or no-flow conditions in piping systems. It is commonly applied in HVAC, boiler, and industrial process lines to interlock pumps, alarms, or burners when flow stops or starts.
What are the specifications of the MCDONNELL & MILLER FS5-1 flow switch?
The FS5-1 is a brass inline flow switch for 1 in pipe size with a 1 in NPT connection. It features an SPDT switch rated at 22.2 A @ 240V (Locked Rotor). The manufacturer part number is FS5-1, and it is designed for liquid service.
Where to buy the MCDONNELL & MILLER FS5-1 flow switch worldwide?
3G Electric supplies the MCDONNELL & MILLER FS5-1 flow switch worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.
How to install the MCDONNELL & MILLER FS5-1 flow switch?
Install the FS5-1 in a horizontal pipe section with the flow arrow aligned to flow direction. Use thread sealant on the 1 in NPT connection. Wire the SPDT contacts per your control circuit, ensuring the contact rating of 22.2 A @ 240V is not exceeded.
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3G Electric supplies McDonnell & Miller inline switches for liquids. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.