Mercoid Control Dwyer M-51-71 Air Temperature Switch

Mercoid Control Dwyer M-51-71 Air Temperature Switch

The Mercoid Control Dwyer M-51-71 Air Temperature Switch is a robust and versatile device designed for precise temperature monitoring and control in various industrial applications. This bi-metal air temperature switch offers reliable performance, ensuring safety and efficiency in systems requiring accurate temperature regulation.

Key Features

• Temperature Range: Adjustable from 25°F to 125°F (-4°C to 52°C), accommodating a wide array of operational environments.
• Deadband: Features a minimum deadband of 12°F (7°C), providing precise control over temperature fluctuations.
• Insertion Length: Equipped with a 5-3/8″ (136 mm) insertion length, facilitating easy integration into existing systems.
• Reset Mechanism: Incorporates an automatic reset function, enhancing user convenience and system reliability.
• Switch Action: Designed to open on temperature rise, effectively preventing overheating and ensuring system protection.
• Visible Dial: Features a clear, calibrated dial indicating duct temperature and switch settings, allowing for straightforward monitoring and adjustments.
• Construction: Built with durability in mind, suitable for heavy-duty applications.
• Mounting: Offers universal mounting options, adaptable to both flat and curved surfaces, ensuring flexible installation.

Applications

The M-51-71 Air Temperature Switch is ideal for use in:

• Air conditioning ducts
• Furnaces
• Ovens
• Dryers
• Damper control systems

Its design ensures the prevention of overheating and the spread of fire through ducts, making it a critical component in maintaining system safety and efficiency.

Specifications

• Service: Compatible with various gases.
• Temperature Limit: Process range maximum; ambient up to 180°F (82°C).
• Enclosure Rating: General purpose.
• Switch Type: SPST mercury switch, with optional SPDT switches available.
• Electrical Rating: 10A at 120 VAC/DC; 5A at 240 VAC/DC; 3/4 HP at 120/240 VAC single phase; 1/3 HP at 120/240 VDC.
• Electrical Connections: Screw terminal.
• Conduit Connection: 7/8″ (22.23 mm) hole for 1/2″ (12.7 mm) conduit hub.
• Process Connection: Mounting flange, reversible for flat or curved surfaces.
• Mounting Orientation: Horizontal and level.
• Set Point Adjustment: Internal movable pointers for set point and reset point.
• Weight: Approximately 5 lb (2.27 kg).

The Mercoid Control Dwyer M-51-71 Air Temperature Switch stands out as a reliable and efficient solution for temperature control needs in demanding industrial settings.