SPECIFICATIONS
Service: Compatible gases.
Temperature Limit: Process: range maximum, Ambient: 180°F (82°C).
Enclosure Rating: General purpose.
Switch Type: SPST mercury switch. Optional SPDT.
Electrical Rating: 10A @ 120 VAC/DC, 5A @ 240 VAC/DC. 3/4 HP @ 120/240 VAC single phase, 1/3 HP @ 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 moveable pointers for set point and reset point.
Weight: 5 lb (2.27 kg).
Deadband: Adjustable from minimum in model chart to full range.
Set Point Scale: Indication in °F standard. °C optional.
Options: SPDT and DPST switches. Switch that closes on temperature increase.
Agency Approvals: UL and CSA. FM only on models M-51R-74 and MX-51R-75.