Circuit breakers

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Manufacturer: Sensata Airpax®

“1RU” Hydraulic Magnetic Circuit Protectors


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The Airpax™ IAR/IUR/IER/CUR/CER series is a snap-acting hydraulic-magnetic circuit breaker / protector that combines power switching and accurate, reliable circuit protection in one aesthetically pleasing, “1U” or “1RU” sized package.

Designed for rack mount applications, the IAR/IUR/IER/CUR/CER series allows efficient use of rack space without sacrificing performance via proven hydraulic-magnetic technology that provides consistent operation from -40°C to 85°C, with a circuit interrupt capacity up to 5,000 AIC at 65/80 VDC and120/240 VAC.

Available in series trip and mid-trip configurations, with auxiliary alarm switch options to provide monitoring of critical circuits.
The CER series circuit breaker provides the necessary ratings for wireless and wired applications while meeting UL489A and TÜV requirements for approval.


  • UL1077, TÜV, UL489A approved
  • Designed to fit in a “1RU” application
  • 5,000 AIC interrupt capacity (65/80VDC, 120/240VAC)
  • Series or mid-trip with auxiliary switch alarm options
  • Various delays including motor start
  • 1 to 2 poles, multiple termination options


Via Magenta, 77/16A
20017 Rho (MI) - Italy
Phone +39 02 3340 0846
VAT: IT04126380155
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Via Magenta, 77/16A
Rho 20017, Italy
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+39 02 3340 0846

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