White-Rodgers 3L09 snap disc board mount limit is a fixed-temperature limit control with 1/2-inch bimetal disc. It fits heating equipment where a compact board-mounted limit guards against over-temperature.
High-speed contact separation gives clean switching. Pick the needed temperature with the option buttons; system, voltage and wire needs are shown in the wiring diagram.
3L09 highlights
1/2-inch bimetal disc
Opens and closes on temperature for limit duty.
Board mount body
Mounts directly to the control board in tight spaces.
High-speed contact separation
Reduces arcing for longer contact life.
3L09 specifications
Design: Compact and versatile
Length: 3.12 inches
Disc size: 1/2 inch bimetal disc
Control type: Snap disc fixed-temperature board mount limit
