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Sensata > Products > Klixon Brand > Thermostats > HVAC/R + Industrial >
Comparison Chart of Klixon® Thermostats for HVAC/R Applications
Customized solutions are available on all pressure sensors. Please contact us for further details or make an online request for information (for 1NT, 3NT, 20420 or 20425, 20600, 20400, or 20490, SOS (stat-on-stilts), time delay relays).
CR = Close on temperature rise
NC = Normally closed
NO = Normally open |
OR = Open on temperature rise
SPDT = Single–pole, double-throw
SPST = Single–pole, single-throw |
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Characteristics — All thermostats below have Klixon bi-metal electro-mechanical switch, fixed switch points, |
Klixon Device |
Features |
Temperatures |
Maximum |
Life |
Switch |
Pole + Throw |
Mount |
Notes |
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Auto reset
Manual reset |
Operating: -40°F to 464°F
High Setpoint: -26°F to 399°F |
16 amps,
380 VAC |
100K cycles |
NO, NC
OR, CR |
SPST |
Surface |
| • |
100% factory inspected for continuity, function, contact resistance |
| • |
Airstream mount available |
|
|
Auto reset
Manual reset |
Operating: - - -
High Setpoint: 100°F to 350°F
Tolerance: ±5°F |
10 amps,
240 VAC |
- - - |
- - - |
- - - |
- - - |
| • |
One shot: meets agency requirements for single operation device |
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Auto reset |
Operating: -65°F to 167°F
High Setpoint: 80°F to 221°F |
25 amps,
240 VAC |
100K cycles |
- - - |
SPST
SPDT |
Surface |
| • |
High capacity |
| • |
Tube mount and surface mount available |
|
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Auto reset |
Operating: 0°F to 221°F
High Setpoint: 80°F to 221°F |
25 amps,
240 VAC |
100K cycles |
- - - |
SPST
SPDT |
Surface |
| • |
High capacity |
| • |
Tube mount and surface mount available |
|
215
(46, 47, 50, 45) |
Auto reset
Sealed |
Operating: 0°F to 250°F
High Setpoint: 0°F to 250°F
Tolerance: ±4°F
Differential: 2-5°F
High Setpoint: 251°F to 300°F
Tolerance: ±5°F
Differential: 3-8°F |
2 amps,
230 VAC,
30 VDC |
250K cycles |
NO, NC
OR, CR |
SPST |
Probe |
| • |
Narrow differential control |
| • |
1.5" to 6" long |
| • |
Reliable |
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215
(57, 44, 62, 61) |
Auto reset
Immersion |
Operating: 0°F to 350°F
High Setpoint: 0°F to 350°F
Tolerance: ±10°F
Differential: 30°F |
1 amp,
115 VAC,
30 VDC |
10K cycles |
NO, NC
OR, CR |
SPST |
Probe |
| • |
Fast Response |
| • |
1.5" to 6" long |
|
21532 |
Auto reset
Sealed |
Operating: -65°F to 450°F
High Setpoint: 0°F to 250°F
Tolerance: ±3°F
Differential: 2-5°F
High Setpoint: 251°F to 300°F
Tolerance: ±4°F
Differential: 3-7°F
|
2 amps,
120 VAC,
30 VDC |
250K cycles |
NO, NC
OR, CR |
SPST |
Airflow |
| • |
Narrow differential |
| • |
Welded, hermetic seal |
| • |
Precision temperature accuracy |
| • |
Up to 100g shock |
| • |
Up to 50g vibration |
| • |
Weight: 0.1905 oz. |
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2154
(2, 8, 9, 3) |
Auto reset
Sealed
Immersion |
Operating: -65°F to 550°F
High Setpoint: -65°F to -1°F
Tolerance: ±12°F
Differential: 30°F
High Setpoint: 0°F to 200°F
Tolerance: ±7°F
Differential: 20°F
High Setpoint: 201°F to 300°F
Tolerance: ±10°F
Differential: 30°F
High Setpoint: 301°F to 450°F
Tolerance: ±14°F
Differential: 40°F
High Setpoint: 301°F to 450°F
Tolerance: ±30°F
Differential: 70°F
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7 amps,
250 VAC,
30 VDC |
100K cycles |
NO, NC
OR, CR |
SPST
SPDT |
Probe |
| • |
Extreme temperature protection |
| • |
1.5" to 6" length |
| • |
Shock and vibration resistant |
|
|
Auto reset |
Operating: -4°F to 275°F
High Setpoint: 32°F to 275°F
Tolerance: ±5.5°F |
10 amps,
240 VAC,
30 VDC |
100K cycles |
- - - |
SPST |
Surface |
| • |
Innovative dry seal design: protects from moisture and dust |
| • |
Tube mount and surface mount available |
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Auto reset
Sealed |
Operating: -80°F to 550°F
High Setpoint: -65°F to -15°F
Tolerance: ±10°F
Differential: 30°F
High Setpoint: 0°F to 200°F
Tolerance: ±5°F
Differential: 20°F
High Setpoint: 210°F to 300°F
Tolerance: ±8°F
Differential: 30°F
High Setpoint: 310°F to 450°F
Tolerance: ±12°F
Differential: 40°F
High Setpoint: 475°F to 550°F
Tolerance: ±25°F
Differential: 70°F
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7 amps,
250 VAC,
30 VDC |
100K cycles |
NO, NC
OR, CR |
SPST |
Surface |
| • |
Pre-set calibration |
| • |
hermetically sealed |
| • |
various mounting configurations |
| • |
Up to 100g shock |
| • |
Up to 20g vibration |
| • |
Weight: 0.3150 oz. |
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Auto reset
Manual reset
Sealed |
Operating: -65°F to 450°F
High Setpoint: 375°F to 450°F
Tolerance: ±15°F
Differential: 60°F
High Setpoint: 0°F to 200°F
Tolerance: ±5°F
Differential: 15°F
High Setpoint: 210°F to 300°F
Tolerance: ±7°F
Differential: 25°F
High Setpoint: 325°F to 350°F
Tolerance: ±12°F
Differential: 45°F
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14 amps,
250 VAC,
30 VDC |
100K cycles |
NO, NC
OR, CR |
SPST
SPDT |
Surface |
| • |
Overmold optional |
| • |
Up to 5g vibration |
| • |
Weight: 0.7407 oz. |
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Auto reset
Sealed |
Operating: -65°F to 450°F
High Setpoint: -65°F to -15°F
Tolerance: ±10°F
Differential: 30°F
High Setpoint: 0°F to 300°F
Tolerance: ±8°F
Differential: 20°F
High Setpoint: 310°F to 350°F
Tolerance: ±10°F
Differential: 25°F
High Setpoint: 375°F to 400°F
Tolerance: ±12°F
Differential: 35°F
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3 amps,
125 VAC,
30 VDC |
100K cycles |
NO, NC
OR, CR |
ST
DT |
Surface |
| • |
Hermetically sealed |
| • |
Nitrogen filled |
| • |
Up to 60g shock |
| • |
Up to 10g vibration |
| • |
Weight: 0.2116 oz. |
|
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Auto reset |
Operating: -40°F to 152°F
|
30 amps,
480 VAC |
100K cycles |
NO, NC |
SPST
SPDT
DPST
DPDT |
Surface |
| • |
Contact ratings: to 30 Amps at 240 volts, to 23 Amps at 277 volts |
|
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30 amps,
277 VAC |
SPST
SPDT |
|
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Manual reset |
30 amps,
480 VAC |
NC |
SPST |
|
30 amps,
277 VAC
0.80 VDC |
|
30 amps,
277 VAC |
|
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Auto reset
Manual reset |
|
Auto reset |
Operating: -65°F to 400°F
High Setpoint: -20°F to 10°F
Tolerance: ±10°F
Differential: 30°F
High Setpoint: 20°F to 190°F
Tolerance: ±8°F
Differential: 20°F
High Setpoint: 200°F to 300°F
Tolerance: ±10°F
Differential: 30°F
High Setpoint: 310°F to 450°F
Tolerance: ±12°F
Differential: 40°F
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7 amps,
250 VAC,
30 VDC |
100K cycles |
NO, NC
OR, CR |
SPST |
Surface |
| • |
Low profile |
| • |
Preset temperature |
| • |
Up to 30g shock |
|
7BT |
Auto reset |
Operating: -20°F to 350°F
High Setpoint: 30°F to 200°F
Tolerance: ±5°F
Differential: 20°F
High Setpoint: 205°F to 300°F
Tolerance: ±8°F
Differential: 30°F
High Setpoint: 305°F to 350°F
Tolerance: ±12°F
Differential: 40°F
|
15 amps,
240 VAC,
30 VDC |
100K cycles |
NO, NC
OR, CR |
SPST |
Surface |
| • |
Tamper–proof calibration |
| • |
Environmentally sealed |
|
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Auto reset
Sealed |
Operating: -80°F to 550°F
High Setpoint: -65°F to -15°F
Tolerance: ±10°F
Differential: 30°F
High Setpoint: 0°F to 200°F
Tolerance: ±5°F
Differential: 20°F
High Setpoint: 210°F to 300°F
Tolerance: ±8°F
Differential: 30°F
High Setpoint: 310°F to 450°F
Tolerance: ±12°F
Differential: 40°F
High Setpoint: 475°F to 550°F
Tolerance: ±25°F
Differential: 70°F
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7 amps,
250 VAC,
30 VDC |
100K cycles |
NO, NC
OR, CR |
SPST |
Surface |
| • |
High reliability |
| • |
Hermetically sealed |
| • |
Rapid thermal response |
| • |
6 styles |
| • |
Up to 100g shock |
| • |
Up to 100g vibration |
| • |
Weight: 0.1693 oz. |
|
M2S |
Auto reset
Sealed |
Operating: -65°F to 450°F
High Setpoint: 0°F to 250°F
Tolerance: ±3°F
Differential: 2-5°F
High Setpoint: 251°F to 300°F
Tolerance: ±4°F
Differential: 3-7°F
|
2 amps,
120 VAC,
30 VDC |
250K cycles |
NO, NC
OR, CR |
SPST |
Surface |
| • |
Narrow differential |
| • |
Welded hermetic seal |
| • |
Nitrogen filled |
| • |
Reliable |
| • |
Weight: 0.1905 oz. |
|
BJE 3–phase Motor Protector |
Auto reset |
Operating: ? to 392°F
High Setpoint: 248°F to 392°F
|
120 amps,
120 VAC,
28 VDC |
- - - |
NC
OR |
SPST |
Surface |
| • |
Locked rotor and ultimate trip protection |
| • |
Neutral tap |
| • |
Motor analog |
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KA Single–Phase Motor Protector |
Auto reset |
Operating: ? to 392°F
High Setpoint: 248°F to 392°F
|
100 amps,
120 VAC,
28 VDC |
- - - |
NC
OR |
SPST |
Surface |
| • |
Locked rotor and ultimate trip protection |
| • |
Neutral tap |
| • |
Motor analog |
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MJE 3–phase Motor Protector |
Auto reset |
Operating: ? to 392°F
High Setpoint: 248°F to 392°F
Differential: 60°F
|
60 amps,
120 VAC,
28 VDC |
- - - |
NC
OR |
SPST |
Surface |
| • |
Locked rotor and ultimate trip protection |
| • |
Neutral tap |
| • |
Motor analog |
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MKA Single–Phase Motor Protector |
Auto reset |
Operating: ? to 392°F
High Setpoint: 248°F to 392°F
|
50 amps,
120 VAC,
28 VDC |
- - - |
NC
OR |
SPST |
Surface |
| • |
Locked rotor and ultimate trip protection |
| • |
Neutral tap |
| • |
Motor analog |
|
SJE 3–phase Motor Protector |
Auto reset |
Operating: ? to 392°F
High Setpoint: 248°F to 392°F
|
30 amps,
120 VAC,
28 VDC |
- - - |
NC
OR |
SPST |
Surface |
| • |
Locked rotor and ultimate trip protection |
| • |
Neutral tap |
| • |
Motor analog |
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SKA Single–Phase Motor Protector |
Auto reset |
Operating: ? to 392°F
High Setpoint: 248°F to 392°F
|
16 amps,
120 VAC,
28 VDC |
- - - |
NC
OR |
SPST |
Surface |
| • |
Locked rotor and ultimate trip protection |
| • |
Neutral tap |
| • |
Motor analog |
|
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Auto reset
Sealed |
Operating: 0°F to 350°F
High Setpoint: 0°F to 350°F
Tolerance: ±8°F
Differential: 30°F
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1 amp,
115 VAC,
30 VDC |
10K |
NO, NC
OR, CR |
SPST |
Surface |
| • |
Hermetically sealed |
| • |
Nitrogen filled |
| • |
Smallest switches ever made |
| • |
Up to 100g shock |
| • |
Up to 30g vibration |
| • |
Weight: 0.0141 oz. |
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Auto reset
Sealed |
Operating: 0°F to 350°F
High Setpoint: 0°F to 350°F
Tolerance: ±8°F
Differential: 30°F
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1 amp,
115 VAC,
30 VDC |
10K |
NO, NC
OR, CR |
SPST |
Surface |
| • |
Hermetically sealed |
| • |
Nitrogen filled |
| • |
Smallest switches ever made |
| • |
Up to 100g shock |
| • |
Up to 30g vibration |
| • |
Weight: 0.0071 oz. |
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