Mercoid Control M-51-71 Air Temperature Switch

Mercoid Control M-51-71 Air Temperature Switch

The Mercoid Control M-51-71 Air Temperature Switch is a robust and versatile device designed for precise temperature monitoring and control in various industrial applications. Its heavy-duty construction and adjustable settings make it suitable for use in air conditioning ducts, furnaces, ovens, dryers, and damper control systems.

Key Features

• Dual Adjustable Settings: Allows for independent adjustment of both the high-temperature set point and the low-temperature reset point, providing flexibility in temperature control.
• Visible Dial: Equipped with a clear dial that displays the current duct temperature along with the set and reset points, facilitating easy monitoring and adjustments.
• Automatic Reset: Designed to automatically reset after reaching the set temperature, ensuring continuous operation without manual intervention.
• SPST Mercury Switch: Incorporates a Single-Pole Single-Throw (SPST) mercury switch, with optional SPDT switches available to meet specific requirements.
• Universal Mounting: Features a reversible mounting flange suitable for both flat and curved surfaces, allowing for versatile installation options.

Specifications

• Service: Compatible with various gases.
• Temperature Range: 25°F to 125°F (-4°C to 52°C).
• Minimum Deadband: 12°F (7°C).
• Insertion Length: 5-3/8 inches (136 mm).
• Temperature Limit: Process: up to range maximum; Ambient: up to 180°F (82°C).
• Enclosure Rating: General purpose.
• 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-inch (22.23 mm) hole for 1/2-inch (12.7 mm) conduit hub.
• Mounting Orientation: Horizontal and level.
• Set Point Adjustment: Internal movable pointers for set and reset points.
• Weight: 5 lb (2.27 kg).
• Set Point Scale: Indicated in degrees Fahrenheit (°F) as standard, with Celsius (°C) optional.
• Options: Available with SPDT and DPST switches, and switches that close on temperature increase.
• Agency Approvals: UL and CSA listed.

The Mercoid Control M-51-71 Air Temperature Switch is engineered to deliver reliable and accurate temperature control, making it an essential component for maintaining optimal operating conditions in various industrial settings.