SACE EMAX 2/E

Designed for electrical systems above 690V AC, SACE Emax 2/E combines high current capacity, broad standards coverage, and compatibility with the Emax 2 platform.

HIGH-PERFORMANCE ABB AIR CIRCUIT BREAKERS FOR APPLICATIONS ABOVE 690V AC

SACE Emax 2/E is designed for electrical distribution systems that operate above 690V AC and require high performance, continuity, and reduced installation complexity. The range covers circuit breakers up to 6300A with breaking capacity up to 85kA at 1200V and also includes switch-disconnector versions up to 7200A and 900V. Built on the Emax 2 platform, it uses the same footprint, the same protection unit concept, and full compatibility with standard Emax 2 accessories to simplify engineering, installation, and maintenance across demanding applications.

IEC AND UL AIR CIRCUIT BREAKER VARIANTS

<p>The SACE Emax 2/E family includes IEC 60947 and UL-compliant air circuit breaker options for applications above 690V AC, helping engineers standardize design, maintenance and documentation across demanding projects.</p>

SACE Emax 2/E IEC range

SACE Emax 2/E is the IEC range of ABB air circuit breakers for voltages higher than 690V AC. It is intended for applications that require high current capacity, compact integration, and continuity across demanding operating conditions. The range is available for 800V, 900V, 1000V, 1150V, and 1200V nominal voltages, and supports applications up to 1380V AC. It is available in fixed or drawable execution and can also be supplied as a switch-disconnector for both standard and variable frequency applications.

 

Key benefits

  • Designed for applications above 690V AC; Up to 6300A
  • Breaking capacity up to 85kA at 1200V
  • Same footprint and protection unit as standard Emax 2
  • Full compatibility with standard Emax 2 accessories

Typical applications

  • Wind Power
  • Solar power
  • EESS
  • H2

SACE Emax 2/E UL range

SACE Emax 2/E extends the range with UL-compliant circuit breakers for voltages higher than 690V. It is suited to projects that require UL conformity while maintaining continuity with the Emax 2 mechanical platform and accessory ecosystem. The range is available for 730V in UL1066-compliant versions and 1000Y/577V in UL489-compliant versions, with two frames, E4.2 and E6.2.

 

Key benefits

  • UL-compliant option for >690V applications
  • 730V UL1066 and 1000Y/577V UL489 coverage
  • Two frames: E4.2 and E6.2
  • Same footprint as standard Emax 2
  • Full compatibility with standard Emax 2 accessories

Typical applications

  • Projects requiring UL compliance
  • Renewable energy installations
  • International projects with mixed standards requirements
  • High-demand power distribution applications

WHY CHOOSE SACE EMAX 2/E

Top performances

<p>The SACE Emax 2/E range extends Emax 2 performances to higher voltages with solid breaking capacities, achieving up to 100kA at 1000V, 90kA at 900V, 85kA at 1000V, and 85kA at 1200V (up to 1380V) to better support increasing power needs in demanding application.</p>

Space Saving

<p>The SACE Emax 2/E is the most compact circuit breaker on the market. SACE Emax 2/E offers the highest performance in the small space. Its compact dimensions allow the size of switchboard to be reduced by up to 30 percent, compared to a standard solution.</p>

Platform continuity

<p>The same footprint and protection unit approach as standard Emax 2 helps simplify panel design, product selection, and installed-base consistency.</p>

Flexible configurations

<p>The range includes both circuit breakers and switch-disconnector versions. This gives designers more flexibility when protection and isolation functions need to be matched to the application.</p>

Renewable oriented

<p>SACE Emax 2/E is specifically engineered for wind turbines, solar plants and energy storage systems (EESS), featuring higher current and voltage levels to support higher power generation and ensuring maximum grid reliability and safety in critical situation.</p>

Energy Efficiency

<p>SACE Emax 2/E supports energy efficiency with higher service voltage (up to 1380V) to reduce power losses.&nbsp;</p>

TECHNICAL DATA

Space saving 30%

<p>Optimize switchboard layout and reduce panel footprint</p>

Breaking capacity Up to 85kA at 1200V

<p>Get the breaking performance needed for critical power distribution applications.</p>

IEC voltage options 800V to 1200V nominal

<p>Available for 800V, 900V, 1000V, 1150V and 1200V nominal voltages.</p>

Maximum AC voltage Up to 1380V AC

<p>Extend low-voltage air circuit breaker use into higher-voltage operating ranges.</p>

UL voltage options 730V up to 1000Y/577V

<p>SACE Emax 2/E adds UL-compliant variants for projects that require UL alignment. Available at 730V UL1066 and 800V and 1000Y/577V UL489</p>

UL frames UL frames E4.2 and E6.2

<p>Two frames are available for the UL-compliant range.</p>

Installation options Fixed or drawable

<p>Supports different switchgear layouts and installation preferences.</p>

Standards Standards IEC 60947, UL1066, UL489

<p>The family includes IEC, CCC and UL-compliant options for broader project requirements.</p>

TESTIMONIAL

<p>&nbsp;&nbsp;</p>

“We realized that, with this complete ABB solution, we could reduce capital expenditures and operational costs, while increasing efficiency,” said Alexandre Zamith, Prosys Engenharia Sales Director. “The all-in- one Emax 2/E9 breakers in this package were especially important, because they would allow us to optimize the operation of the solar plant.”

FREQUENTLY ASKED QUESTIONS

SACE Emax 2/E is designed for low-voltage air circuit breaker applications operating above 690V AC. It is particularly relevant where users need high current capacity, strong breaking performance, and a solution suited to renewable or other demanding power-distribution environments

The IEC range is available for 800V, 900V, 1000V, 1150V and  1200V nominal voltages all with applications up to 1380V AC. The range covers up to 6300A, with breaking capacity up to 85kA at 1200V.

SACE Emax 2/E is intended for applications above 690V AC, while maintaining the same footprint, the same protection unit approach, and full compatibility with standard Emax 2 accessories. That continuity helps simplify engineering, installation, and maintenance for customers already familiar with the Emax 2 platform.

Yes. The range also includes switch-disconnector versions up to 7200A at 900V. MS versions are available for both standard and variable-frequency applications.

Yes. SACE Emax 2/E uses the same footprint and protection unit as standard Emax 2 and maintains full compatibility with standard Emax 2 accessories.