40A 2-POLE TM BRKR
40A 2-POLE TM BRKR
LB240-T
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$13.97
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$13.97
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40A 2-POLE TM BRKR โ Product Description
๐ What it is
A 40-amp, 2-pole thermal-magnetic circuit breaker used to protect 240V branch circuits from overloads and short circuits.
๐งพ What the shorthand means
- 40A โ 40-amp current rating
- 2-POLE โ connects to both hot legs for 240V circuits
-
TM BRKR โ Thermal-Magnetic breaker:
- Thermal = overload protection (heat-based trip over time)
- Magnetic = instant trip for short circuits
โก What it does
This breaker:
- Protects 240V electrical circuits
- Trips when:
- The circuit is overloaded (too much current over time)
- A short circuit occurs (instant fault protection)
- Helps prevent wire overheating and electrical fires
๐ Typical uses
- Electric water heaters
- HVAC condensers / air handlers
- Electric dryers (some configurations)
- Small EV chargers
- Pumps and compressors
- Other 240V dedicated appliances
๐ง Simple explanation
This is a 40-amp breaker used for 240V equipment that shuts power off if the circuit is overloaded or shorted.

40A 2-POLE TM BRKR
$13.97