Features:

Laser welded stainless steel bellows
Fixed or adjustable temperature settings
High amperage contacts
Pneumatic action provided by capillary tube filled with vapor, or by capillary tube with bulb sensing elements
Constant On or Off positions available
Choice of mounting brackets, adjustment bands and cams, and slotted or flat shafts
Standard 1/4" quick-connect terminals with optional screw terminals

Specifications:

Manufacturer: Ranco
Manufacturer Part Number: A30-543
Product Type: Differential Control
Voltage Rating: 120/240 V
Capillary Length: 27"
Normal On-Off Range: 15 to 27 Degrees F
Differential: 12 Degrees F
Switch Type: SPST
Dimensions: 5.25" x 4.3" x 2.55"
Weight: 2.0 lb.