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Features

  • Hermetically Sealed (probe only)
  • Snap-action switching
  • Pre-set, non-adjustable calibration
  • High resistance to shock and vibration
  • Qualified to MIL-PRF-24236/2

Specifications

Contact Resistance 0.100 ohms per MIL-STD-202, Method 307
Contact resistance shown is for the 11041 (M1) thermostat and does not include resistance of wire leads or connector.
Dielectric Strength 1250 VAC, rms, 60 cycles for 1 minute, terminal to case
1000 VAC, 60 cycles for 1 minute, terminal to terminal with contacts open per MIL-STD-202, Method 301
Salt Spray Resistance Per MIL-STD-202, Method 101, Condition B, 5% Solution
Ambient Temperature Range -80°F to 550°F, (-62.2°C to 287.8°C)
Maximum ambient exposure while in the closed position is 200°F above contact closing temperature.
Operating Temperature Range -65°F to 550°F, (-53.9°C to 287.8°C)

UL/Canadian-UL Ratings
For 28303 series only: UL and Canadian-UL (File #E34618)

  Max. Voltage Max. Curent
(Non-inductive)
Max. Temp. Cycles Notes
UL 120 VAC 2.5 A 450°F 100,000 Break but not make, ungrounded cup
UL 110-300 VAC 720 VA 392°F 10,000 Make and break, ungrounded cup
UL 300 VAC 360 VA 392°F 10,000 Make and break, grounded or ungrounded cup
UL 24-240 VAC 120 VA 393°F 10,000 Make and break, grounded or ungrounded cup
UL-C 120 VAC 2.5 A 450°F 100,000  

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