SACE TMAX XT ML
SACE Tmax XT ML is ABB’s low voltage molded-case circuit breaker range designed specifically for naval electrical installations. Covering applications from 160A up to 1600A, Tmax XT ML combines advanced protection, embedded connectivity and intelligent energy management functions to ensure reliable operation in demanding marine environments. With RINA MIL certification available for all breakers in the range, SACE Tmax XT ML provides maximum market acceptance and user confidence for modern naval applications
ADVANCED LOW VOLTAGE CIRCUIT BREAKERS FOR NAVAL APPLICATIONS
SACE Tmax XT ML is ABB’s specialized range of low voltage molded-case circuit breakers developed to efficiently control naval electrical installations, from traditional systems to complex architectures requiring the highest levels of availability and continuity of service.
Based on the proven Tmax XT platform, the ML series integrates advanced protection functions, communication capabilities and software solutions designed for modern ship electrical systems.
The range covers applications from 160A up to 1600A and is available in fixed, plug-in and withdrawable versions
Key advantages include:
- RINA MIL certification available for the complete range
- Advanced protection and selectivity functions
- Digital zone selectivity for faster fault identification and isolation
- Integrated communication capabilities
- Load management and energy optimization functions
- Compact dimensions reducing installation space and weight
PRODUCT BENEFITS
<p>SACE Tmax XT ML molded-case circuit breakers deliver specialized protection for naval and maritime electrical systems.</p>
Reliability and Service Continuity
<p>SACE Tmax XT ML ensures maximum service continuity in naval electrical installations through advanced protection, built-in communication modules, integrated software functions and optimized selectivity combinations. </p> <p> </p> <p>The digital zone selectivity function quickly identifies and isolates faults, reducing stress on the remaining active zones and minimizing the risk of costly shutdowns. </p> <p> </p> <p>Designed for demanding marine environments, Tmax XT ML provides:</p> <p> </p> <ul> <li>Shock resistance up to 15g (IEC 60068-2-27) </li> <li>Operation in saline atmospheres with high humidity </li> <li>Temperature range from -25°C to +70°C </li> <li>Resistance to persistent vibrations in specific frequency ranges </li> </ul>Dimension and Weight Optimization
<p>Covering applications from 160A to 1600A, SACE Tmax XT ML combines high performance, precise electronic trip units and compact designs. </p> <p> </p> <p>The optimized range helps reduce installation space, simplify switchboard construction and standardize breaker configurations across ship applications. </p> <p> </p> <p>Trip units are upgradeable and communication modules can be installed directly on the breaker, supporting future digitalization needs. </p>Smart Performance and Energy Management
<p>SACE Tmax XT ML is a smart circuit breaker designed for modern ship electrical systems and microgrid architectures. </p> <p> </p> <p>Embedded connectivity and load management software enable advanced energy management, including load profile optimization to reduce CO₂ emissions and fuel costs while protecting mission-critical loads and generators. </p>Safety and Ease of Use
<p>Available in fixed, plug-in and withdrawable versions, SACE Tmax XT ML ensures installation flexibility and safe operation. </p> <p> </p> <p>Large-display trip units provide intuitive configuration, while the Ekip Connect application enables programming and monitoring from tablets, smartphones and PCs. </p>TECHNICAL DATA
Rated current 160–1600 A
<p>Compact molded-case circuit breakers covering a wide range of current ratings for marine electrical installations. </p>Rated voltage Up to 690 V AC
<p>Designed for low-voltage AC distribution applications in marine installations. </p>DC rated voltage Up to 750 V DC
<p>DC configurations are available across selected XT frame sizes, with up to 750 V DC for XT4, XT5 and XT6. </p>Breaking capacity Up to 200 kA
<p>Multiple breaking-capacity levels are available across the XT range, depending on frame size and configuration. </p>Trip units Thermal-magnetic / Ekip Dip / Ekip Touch / Ekip Hi-Touch
<p>A comprehensive range of protection trip units allows the breaker to be adapted to different application and protection requirements. </p>Standards IEC 60947-2
<p>Designed for low-voltage circuit protection and available with ML certification for marine applications</p>FREQUENTLY ASKED QUESTIONS
Tmax XT ML is specially engineered for naval and maritime applications with shock resistance to 20g, extended temperature range (-25°C to +70°C), saline atmosphere protection, and vibration immunity — features not available on standard Tmax XT models.
While specifically designed for naval applications, Tmax XT ML's extreme environmental ratings make it suitable for other demanding applications including offshore oil/gas platforms, arctic installations, and extreme industrial environments.
Tmax XT ML is rated for shock resistance up to 20g per IEC 60068-2-27, ensuring reliable operation during extreme maneuvering and sea state conditions aboard naval vessels.
No. Tmax XT ML is designed to deliver full rated performance across its entire operating range from -25°C to +70°C without any performance derating.
Enhanced material selection and protective coatings provide superior corrosion resistance in high-salt marine atmospheres, ensuring long service life and reliability in shipboard environments.
Tmax XT ML integrates with ABB's advanced Tmax XT protection ecosystem, offering thermal-magnetic and electronic trip units for flexible protection of different naval electrical loads and applications.
Yes. Tmax XT ML supports digital integration and monitoring capabilities, allowing connection to modern naval electrical system architecture and condition monitoring platforms.
Tmax XT ML complies with IEC 60947-2 and IEC 60068-2-27 for shock resistance, as well as specialized naval electrical standards applicable to the specific application and vessel class.