•	Ignition protected
Using a bimetal, snap acting disc as the sensing and actuating element, the Klixon® SDLA and SDLM series thermal circuit breakers provide trouble–free over current protection for harsh environments. Available in the three configurations:
•	SLA: Open construction, automatic reset
•	SDLA: Sealed construction, automatic reset
•	SDLM: Sealed construction, manual reset
Applications
•	Main harness, accessory and equipment protection for heavy trucks, busses, construction equipment, off–road vehicles, and RV’s
•	Battery protection in electric vehicles
•	Circuit protection of truck lift–gates
•	Over–current protection in battery chargers
General Envelope Dimensions Nominal dimensions provided for reference only.

Performance characteristics are based on room temperature (77°F). Consult derating curve at left for ambient temperatures significantly higher or lower than standard room temperature.

Example: At 77°F the device is calibrated to hold at 100% of rated current (1) and trip at 135% of rated current (2). At 140°F, the same device will hold at approximately 78% of rated current (3), and trip at approximately 115% of rated current (4).