Product Overview The ABB 4000A EMAX2 E4.2H 4000 is a high-performance, Triple Pole Fixed Low Voltage Air Circuit Breaker (ACB) engineered for superior 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 an exceptional short-circuit breaking capacity of 100kA at 415 Volts (50 Hz). Equipped with the advanced Ekip Dip LI electronic trip unit, it provides precise and adjustable protection against overloads (L) and short circuits (I). Built on the robust E4.2 frame size, this breaker ensures maximum thermal dissipation and operational reliability for heavy industrial plants, data centers, and mission-critical power networks. Key FeaturesBrand: ABB Product Type: Low Voltage Air Circuit Breaker (ACB) - Fixed Type Model: E4.2H 4000 Ekip Dip LI F HR 3P Rated Current: 4000A Pole Configuration: Triple Pole (3P) Breaking Capacity: 100 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 E4.2H 4000 Order Code1SDA071211R1 Trip Unit TypeEkip Dip LI Rated Current (In)4000A Pole Count3 Poles Breaking Capacity (Icu)100 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: Ultimate power system defense, maximum fault current interruption, and secure network isolation. Environments: Mega power generation plants, critical utility sub-stations, heavy industrial manufacturing, and large-scale infrastructure. System Usage: Serving as a primary incoming circuit breaker or main bus-tie breaker in primary low-voltage distribution boards where extreme fault currents of up to 100kA must be safely handled.
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