Why Choose the ABB SACE Emax 3 E6.3H 4000 Air Circuit Breaker?
The ABB SACE Emax 3 E6.3H 4000 air circuit breaker, part number 1SDA128902R1, is a high-performance low-voltage circuit protection solution designed for demanding electrical distribution systems. This 4-pole fixed circuit breaker has a rated current of 4000 A and an ultimate short-circuit breaking capacity of 100 kA at 415 V.
Fitted with an Ekip Aware LSIG trip unit, the E6.3H 4000 provides comprehensive electronic protection for low-voltage power distribution applications. The LSIG protection configuration supports protection against overload, short circuit, instantaneous faults and earth faults.
The fixed installation design and rear horizontal terminals make this ABB air circuit breaker suitable for integration into compatible switchboards and electrical distribution assemblies where high current capacity and dependable fault interruption are required.
Key Advantages
- High current capacity: Rated for continuous currents up to 4000 A.
- High short-circuit performance: Provides an Icu of 100 kA at 415 V.
- Four-pole configuration: Provides switching and protection across three phases and neutral.
- Advanced electronic protection: Ekip Aware LSIG trip unit provides comprehensive circuit protection functions.
- Fixed construction: Designed for permanent installation in compatible low-voltage switchboards.
- Rear horizontal terminals: Provides a practical connection arrangement for compatible switchboard configurations.
- SACE Emax 3 platform: Part of ABB's range of high-performance low-voltage air circuit breakers.
Key Features
- Manufacturer: ABB
- Product range: SACE Emax 3
- Model: E6.3H 4000
- Product type: Air circuit breaker
- Part number: 1SDA128902R1
- Number of poles: 4
- Rated current: 4000 A
- Ultimate short-circuit breaking capacity: 100 kA at 415 V
- Trip unit: Ekip Aware LSIG
- Installation version: Fixed
- Terminal configuration: Rear horizontal terminals
Reliable Protection for Low-Voltage Power Distribution
The ABB SACE Emax 3 E6.3H 4000 combines a 4000 A rated current with an Ekip Aware LSIG trip unit to provide robust protection for high-current low-voltage electrical distribution systems. Its four-pole configuration enables comprehensive switching and protection across three phases and neutral.
With an ultimate short-circuit breaking capacity of 100 kA at 415 V, the E6.3H 4000 is designed to interrupt high prospective fault currents in demanding distribution environments. Its fixed construction and rear horizontal terminal arrangement support installation in compatible switchboard assemblies.
As part of the ABB SACE Emax 3 range, this E6.3H 4000 air circuit breaker is suited to applications where high current handling, dependable circuit interruption and comprehensive electronic protection are required.
Typical Applications
- High-current low-voltage main distribution boards
- Industrial power distribution systems
- Large commercial electrical installations
- Switchboard and switchgear assemblies
- High-current feeder protection
- Infrastructure and building power distribution
- Protection of electrical distribution equipment and circuits
