IAR/IUR/IER/CUR/CER Series 1U, 1RU Magnetic Circuit Protectors Introduction 43 Poles & Terminals 44 Configurations 47 Delay Curves & Specifications 48 Operating Characteristics 49 Hardware 50 Decision Tables 51IAR/IUR/IER/CUR/CER Series 1U, 1RU Hydraulic Magnetic Circuit Protectors FEATURES UL1077, TV, UL489A approved Series or mid-trip with auxiliary switch alarm options Designed to fit in a 1RU application Various delays including motor start 5000 AIC (80VDC), 2000 AIC (250VAC) interrupt capacity 1 to 2 poles, multiple termination options INTRODUCTION 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 -40C to 85C, with a circuit interrupt capacity up to 5,000 AIC at 80VDC and 2,000 AIC at 250VAC. 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 TV requirements for approval. APPROVALS Ratings Voltage A.I.C. Agency Approvals Poles 2 to 65 amps 80VDC 5,000 UL489A, TV EN60947-2 & C-UL 1 2 to 50 amps 80VDC 5,000 UL1077, TV EN60943 & C-UL 2 2 to 50 amps 250VAC 2,000 UL1077, TV EN60943 & C-UL 2 IAR Series - Introduction 43