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Sensata > Products > Controls > Circuit Breakers > Thermal >
Klixon® C Series: CA, CM, CDA, and CDM
2 to 40 Amp, Commercial, Ignition Protected Thermal Breakers
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Ignition protected |
The C Series is available in four configurations:
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CA: Open construction, automatic reset |
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CDA: Sealed construction, automatic reset |
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CM: Open construction, manual reset |
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CDM: Sealed construction, manual reset |
Using a bimetal, snap–acting disc as the sensing and actuating element, the
Klixon® C Series thermal circuit breaker
provides trouble free over–current protection for harsh environments.
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Applications
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Accessory and equipment protection for heavy trucks, buses, construction equipment, off–road vehicles, RV’s |
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Battery protection in electric vehicles |
General Envelope Dimensions
Nominal dimensions provided for reference only.
Side View of CA, CM and CDA, CDM (pushbutton omitted on CA and CDA automatic reset versions): |
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Bottom View of CA, CM, CDA, CDM (2–10 Amp configuration):
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Trip Curve
Approximate Time — Current Characteristics at 77°F (25°C)
Dotted Lines: CA, CM, CDA, CDM series (10 Amps and below)
Solid Lines: CA, CM, CDA, CDM series
Derating Curve
Approximate Effect of Ambient Temperature on Ultimate Trip
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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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