Honeywell 112TW1-51 Toggle Switch Technical Guide
The Honeywell 112TW1-51 toggle switch is a compact panel-mount switching component designed for demanding control environments. As part of Honeywell’s TW Series, this model is built for applications that require dependable switching performance, environmental sealing, and a format suitable for tight installation spaces. The product is configured as a DPDT toggle switch with an On-Mom switch function, which makes it especially useful in control systems where one position is maintained and the opposite action is momentary.
Core Technical Characteristics of the Honeywell 112TW1-51 Toggle Switch
From a technical standpoint, the Honeywell 112TW1-51 toggle switch uses a double-pole double-throw (DPDT) circuit design. It is rated for 5 A at 125 V AC and 28 V DC, making it suitable for a broad range of industrial and equipment-level control tasks. The unit uses a standard round actuator with an actuator length of approximately 17.27 mm, and it is designed for panel mounting with a 12.40 mm circular panel cutout and 15/32-32 bushing thread.
Another important advantage is its environment-sealed construction. In practical terms, this helps the switch withstand dust, splashing, and other exposure risks often seen in industrial panels, transport equipment, test devices, and harsh field installations. The operating temperature range of -65°C to 71°C also gives the Honeywell 112TW1-51 toggle switch a strong profile for projects where climate resilience matters.
Where the Honeywell 112TW1-51 Toggle Switch Fits Best
Because this Honeywell toggle switch combines a rugged miniature format with a momentary function, it is often considered for machinery controls, aerospace support systems, commercial equipment, instrumentation panels, and mobile platforms. Engineers typically choose this kind of switch when they need positive tactile operation, compact integration, and a proven mechanical interface rather than a purely electronic input device.
The Honeywell 112TW1-51 DPDT toggle switch is also relevant in retrofit scenarios. If a control panel already uses a sealed, military-style toggle format, a matching TW Series part can simplify maintenance planning and reduce mechanical redesign work. For more information about Honeywell, you can review additional product family details and broader industrial control options.
Why This Toggle Switch Matters in Technical Selection
Choosing a toggle switch is rarely just about turning a circuit on or off. In many professional installations, the real selection criteria include sealing level, mounting footprint, circuit arrangement, actuator style, and predictable operator feel. The Honeywell 112TW1-51 toggle switch addresses these priorities with a specification set that suits both legacy equipment and new control assemblies. That is why the model continues to appear in searches for DPDT panel mount toggle switch, sealed toggle switch, and Honeywell 112TW1-51 operator control.
FAQ: Honeywell 112TW1-51 Toggle Switch
What type of switch is the Honeywell 112TW1-51?
The Honeywell 112TW1-51 is a DPDT panel mount toggle switch. It belongs to the Honeywell TW Series and is intended for professional control applications where robust mechanical switching and environmental resistance are important.
What does the On-Mom function mean?
On-Mom means one side of the switch remains in a maintained ON position, while the opposite side is momentary and returns when the operator releases it. This is useful in systems that require a temporary command in one direction and a stable state in the other.
Is the Honeywell 112TW1-51 suitable for harsh environments?
Yes. The switch is described as environment sealed, which supports use in applications exposed to dust, splashing, and demanding operating conditions. It is commonly considered for industrial and transport-related equipment where reliability matters.
What voltage and current ratings should be considered?
This Honeywell 112TW1-51 toggle switch is rated at 5 A for both AC and DC use, with typical ratings of 125 V AC and 28 V DC. Designers should always verify the full circuit conditions, including load type and safety margins, before final selection.
Why do engineers look for Honeywell 112TW1-51 toggle switch documentation?
Engineers usually need confirmation of switch function, actuator type, mounting dimensions, sealing class, and temperature limits. In many control systems, even small dimensional or functional differences can affect fit, operator usability, and maintenance compatibility.