MCDONNELL & MILLER Flow Switch: Paddle, 1 in For Pipe Size, 1 in NPT, 1 in Connection Size
The MCDONNELL & MILLER FS4-3RP-T is a paddle-type flow switch for liquids, designed as an insertion-style switch for 1-inch pipe sizes. It features a 1-inch NPT connection and a contact rating of 44.4 A at 120V…
SKU 3G-OTH-93445
Also listed as: FS43RPT · FS4 3RP T
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The MCDONNELL & MILLER FS4-3RP-T is a paddle-type flow switch for liquids, designed as an insertion-style switch for 1-inch pipe sizes. It features a 1-inch NPT connection and a contact rating of 44.4 A at 120V (locked rotor). This switch is suitable for monitoring liquid flow in industrial piping systems.
Frequently Asked Questions
What is the MCDONNELL & MILLER FS4-3RP-T flow switch used for?
The MCDONNELL & MILLER FS4-3RP-T is a paddle-type flow switch for liquids, used to monitor flow in industrial piping systems. It detects flow or no-flow conditions in 1-inch pipes, triggering alarms or controlling pumps. Common applications include HVAC, water treatment, and process control where reliable liquid flow detection is required.
What are the specifications of the MCDONNELL & MILLER FS4-3RP-T?
The MCDONNELL & MILLER FS4-3RP-T is an insertion-style paddle flow switch for 1-inch pipe sizes. It has a 1-inch NPT connection and a contact rating of 44.4 A at 120V (locked rotor). The manufacturer part number is FS4-3RP-T. It is designed for liquid flow monitoring in industrial piping systems.
Where to buy the MCDONNELL & MILLER FS4-3RP-T worldwide?
3G Electric supplies the MCDONNELL & MILLER FS4-3RP-T flow switch worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver this paddle flow switch to any country.
How to install a MCDONNELL & MILLER paddle flow switch?
Install the MCDONNELL & MILLER FS4-3RP-T in a horizontal pipe section with the paddle oriented correctly for flow direction. Ensure the pipe is 1-inch NPT and the switch is inserted so the paddle extends into the flow stream. Tighten the connection securely and wire according to the contact rating (44.4 A at 120V locked rotor). Follow standard industrial safety practices.
Used in
Common applications for McDonnell & MillerMcDonnell & Miller Products
3G Electric supplies McDonnell & Miller insertion-style switches for liquids. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
