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2–35 Amp
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Site Updated September 19, 2017

* * * Sensata > Products > Klixon Brand > Circuit Breakers > Thermal >

Klixon® Small Frame P Series Thermal Circuit Breakers
2 to 40 Amp, Precision, Sealed, Ignition Protected


Overview Data Sheet (PDF) Request Pricing or Info

2 - 40 amps
Precision thermal circuit breaker
Suitable for harsh conditions
Sealed
Ignition protected

Using a bimetal, snap acting disc as the sensing and actuating element, the Klixon small frame P series thermal circuit breaker provides trouble-free over-current protection for harsh environments. Similar in construction to the C series device, the P is used in applications such as military vehicles and equipment where more precise ultimate trip characteristics are required.

Available in two configurations:
PDA: Automatic reset
PDM: Manual reset


Applications

Military vehicles and other equipment where precise ultimate trip characteristics are required


General Envelope Dimensions
Nominal dimensions provided for reference only.

Views of PDA and PDM circuit breakers

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Klixon
Thermal Circuit Breakers

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Trip Curve
Approximate Time — Current Characteristics at 77°F (25°C)


Trip Curve Diagram

Dotted Lines: Small Frame P series PDA, PDM (10 amps and below)
Solid Lines: Small Frame P series PDA, PDM (above 10 amps)




Derating Curve
Approximate Effect of Ambient Temperature on Ultimate Trip


Diagram: Approximate effect of ambient temperature on ultimate trip
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).
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