Description
The McDonnell & Miller 5-M General Purpose Switch (Part Number 110400) is a dependable, manually-reset switching device engineered for use in boiler, hydronic, and general HVAC control applications. Designed to provide reliable circuit protection and control, this switch features a dual-voltage rating and a double-pole switching configuration that makes it highly versatile across a wide range of system installations.
Key Features
- Manual reset operation ensures the system cannot restart without deliberate operator intervention after a fault condition
- 2-SPDT (Double Single-Pole Double-Throw) switching configuration for flexible wiring and control circuit integration
- Dual voltage rating: 120VAC and 240VAC for compatibility with a broad range of electrical systems
- Rugged construction built to meet the demands of commercial and industrial HVAC environments
- Designed for use as a general purpose control switch in boiler, hydronic heating, and related mechanical systems
- Part of the trusted McDonnell & Miller product line, a recognized leader in boiler and hydronic controls
Product Specifications
- Brand: McDonnell & Miller (Xylem)
- Model: 5-M
- Part Number: 110400
- Voltage Rating: 120VAC / 240VAC
- Switch Type: 2-SPDT (Double Single-Pole Double-Throw)
- Reset Type: Manual Reset
- Application: General Purpose Control Switch
Applications
- Boiler safety and control circuits
- Hydronic heating system controls
- General purpose HVAC switching applications
- Commercial and light industrial control panels









