Allen-Bradley Bulletin 837 Mechanical Temperature Control

The Allen-Bradley Bulletin 837 Mechanical Temperature Control is a durable and precise temperature-sensing device designed for industrial heating, cooling, and process applications. Featuring a remote bulb and capillary design, it ensures accurate temperature monitoring and control even when the sensing point is distant from the control unit. Built to NEMA Type 4 & 13 standards, it delivers reliable performance in demanding environments.

Manufacturer: Allen Bradley A-B
Type: Mechanical Temperature Control with Remote Bulb Sensing
Model: Bulletin 837

Technical Information

• Enclosure Type Rating: NEMA Type 4 & 13
• Style: A
• Style of Device: Remote Bulb and Capillary
• Adjustable Operating Range: -60 to +360 °F
• Maximum Temperature: up to 400 °F
• Control Circuit Ratings (AC): 125 VA, 24 “ 600 V
• Control Circuit Ratings (DC): 57.5 VA, 115 “ 230 V
• Bulb Location Options: 3, 6, 12, 20 or 30 ft from the control
• Dimensions: 149 × 96 × 87 mm
• Bulb Diameter: 9.5 mm