• Dual temperature scale plate provides both Fahrenheit and Celsius readings

• No sensing bulb, the controller operates at the coldest point (1 foot section) of the 20 ft. element for complete coverage

• Dustproof and moisture proof enclosed switch for trouble-free operation

• Horizontal or vertical mounting for installation flexibility

Sensing Element:20' (6m) element, 1/8" dia., no bulb, controller operates at coldest point

Switch action:

 :

 :L480B SPDT, automatic reset, makes R-B, breaks R-W on temperature fall

 :L480G SPST, manual reset, breaks circuit on temperature fall

 :L482A 2 SPST, manual reset, main switch (M2) opens, aux. switch (M1) closes on temperature fall

Switch Ratings:See Table 1 and Table 2

Conduit Connection:7/8" (22mm) hole for 1/2" conduit with 1-3/32" (28mm) knockout ring for 3/4" conduit

Setpoint Range:

 :L480B, G 20° to 60°F (-5° to 15°C)

 :L482A 15° to 55°F (-9.4° to 13°C), with setpoint stops minimum 34°F

Setpoint Adjustment:Slotted screwdriver

Differential:

 :L480B, G Non-adjustable, additive, fixed at 10°F (6°C)

 :L482A Non-adjustable, additive, fixed at 5°F (3°C)

Operating Temperature:

 :L480B, G -20° to 125°F (-11° to 52°C)

 :L482A 20° to 140°F (-7° to 60°C)

Maximum Element Temperature:

 :L480B, G 225°F (107°C)

 :L482A 250°F (121°C)

Dimensions:

 :L480B, G 3.3"H x 3.7"W x 2.3"D

 :(8.4 x 9.4 x 5.9 cm)

 :L482A 4.7"H x 3.9"W x 2.1"D

 :(11.9 x 10.1 x 5.3 cm)

Weight:

 :L480B 1.5 lb (0.68 kg)

 :L480G 1.6 lb (0.73 kg)

 :L482A 2.3 lb (1.04 kg)

Approvals:UL Listed file #E49725, Vol. No. 2, dated 02-09-66; Guide No. SDFY2 CSA Certified Listing G, File No. LR1620; Guide No. 400-E-0

Warranty:1 year