Product Overview The ABB 4000A EMAX2 E4.2S 4000 is a high-performance, Triple Pole Fixed Low Voltage Air Circuit Breaker (ACB) designed for critical protection and energy management in large-scale electrical distribution systems. Manufactured by ABB SACE S.p.A., Italy, this unit features a continuous current rating of 4000 Amps and a high short-circuit breaking capacity of 85kA at 415 Volts (50 Hz). Equipped with the Ekip Dip LI electronic trip unit, it provides precise and adjustable protection configurations against overloads (L) and short circuits (I). Built on the heavy-duty E4.2 frame size, this breaker ensures superior thermal management and operational reliability for heavy industrial plants, extensive power networks, and massive commercial infrastructures. Key FeaturesBrand: ABB Product Type: Low Voltage Air Circuit Breaker (ACB) - Fixed Type Model: E4.2S 4000 Ekip Dip LI F HR 3P Rated Current: 4000A Pole Configuration: Triple Pole (3P) Breaking Capacity: 85 kA Approvals & Standards: Designed and manufactured by ABB SACE S.p.A., Italy Technical SpecificationsSpecificationDetailsBrandABB Product NameLow Voltage Air Circuit Breaker (ACB) Design TypeFixed Frame / Horizontal Rear Terminals (F HR) ModelEMAX2 E4.2S 4000 Order Code1SDA071201R1 Trip Unit TypeEkip Dip LI Rated Current (In)4000A Pole Count3 Poles Breaking Capacity (Icu)85 kA Rated Operational Voltage415 Volts, 3 Phase, 50 Hz Net Weight~56 kg Gross Weight~63 kg DimensionsH=371mm, W=384mm, D=270mm Country of OriginItaly Applications & UsageThis unit is optimized for:Core Functions: Total power network isolation, high-fault current disruption, and reliable power grid coordination. Environments: Critical sub-stations, primary industrial facilities, data centers, and heavy-duty infrastructure main boards. System Usage: Serving as a primary incoming circuit breaker or major outgoing tie-breaker where a robust 85kA breaking capacity is mandated to handle large 4000A loads.
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