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The Airpax™ IAR/IUR/IER/CUR/CER series, including the IARK1-1-52-40.0-21, is a snap-acting hydraulic-magnetic circuit breaker and protector. It combines power switching with accurate circuit protection in a "1U" or "1RU" sized package, ideal for rack mount applications.
This series utilizes proven hydraulic-magnetic technology for consistent operation across a wide temperature range of -40°C to 85°C. The IARK1-1-52-40.0-21 features a 40A current rating and a 250 VAC voltage rating, with a circuit interrupt capacity of up to 5,000 AIC.
Designed for efficient use of rack space, this circuit breaker is available in series trip and mid-trip configurations, with options for auxiliary alarm switches. The IARK1-1-52-40.0-21 is a single-pole unit with a lever actuator and panel mount capability.
Approvals include UL1077 and TÜV, meeting requirements for various applications. The "1RU" size is specifically designed to fit within standard rack units without compromising performance.
The current rating is 40A.
The voltage rating is 250V.
This circuit breaker has 1 pole.
It is a Magnetic (Hydraulic Delay) type circuit breaker.
The mounting type is Panel Mount.
It operates consistently from -40°C to 85°C.
The circuit interrupt capacity is up to 5,000A.