SACE TMAX XT
Seven frame sizes, extreme breaking performance and advanced digital connectivity. SACE Tmax XT MCCBs deliver safety and reliability at every level of your low voltage installation.
BREAK NEW GROUND IN CIRCUIT PROTECTION
SACE Tmax XT molded case circuit breakers are designed to maximize ease of use, integration and connectivity while delivering safety and reliability. Rather than standalone protection, they are key elements of the distribution system — providing complete flexibility, extreme breaking capabilities and reliable performance across every installation level, from 16 A up to 1600 A. Available in IEC, UL/CSA and naval-grade variants, there is a solution for every application.
PRODUCT OFFERING
<p>SACE Tmax XT is available in three variants, each optimized for a specific set of standards, markets and application requirements. All variants share the same platform, user experience and accessory ecosystem. </p>
TMAX XT IEC
IEC-compliant low voltage molded-case circuit breakers from 160A up to 1600A, designed for reliable protection, flexible installation and advanced monitoring across a wide range of applications.
Technical features:
- IEC 60947-2 compliance, 160A–1600A range, advanced protection functions
- Built-in measurement and communication modules, Energy management functions
- Fixed, plug-in and withdrawable version
TMAX XT UL
UL/CSA-certified low voltage molded-case circuit breakers from 125A up to 1200A, designed for reliable protection, service continuity and flexible installation in North American applications.
Technical features:
- UL 489 and CSA certification, 125A–1200A range, advanced protection functions
- Built-in measurement and communication modules, Energy management functions
- Fixed, plug-in and withdrawable versions
TMAX XT HVA
IEC-compliant molded-case circuit breakers designed for reliable protection in high-voltage AC applications, supporting operating voltages up to 800V AC and applications such as renewable energy systems.
Technical features:
- IEC 60947-2 compliant, 250A–400A range, up to 800V AC
- Breaking capacity up to 50kA, with advanced protection functions
- Thermal-magnetic TMA and electronic Ekip Dip trip units
TMAX XT ML
RINA MIL-certified low voltage molded-case circuit breakers from 160A up to 1600A, designed for naval electrical installations requiring maximum reliability, service continuity and advanced digital protection.
Technical features:
- RINA MIL certification, 160A–1600A range, Digital zone selectivity
- Built-in communication modules, Load management functions
- Fixed, plug-in and withdrawable versions
ENGINEERED TO PROTECT, BUILT TO CONNECT
From installation simplicity to cloud-ready connectivity, SACE Tmax XT is designed to deliver value at every stage — from commissioning to everyday operation.
KEY FEATURES
Cloud Connectivity
<p>Connect the circuit breaker to the cloud in as little as 10 minutes for remote monitoring and management.</p>Faster Installation
<p>Reduce installation and setup time by up to 30% with a simplified configuration process.</p>Expandable functionality
<p>Access more thsn 50 additional trip unit functions through the ABB marketplace.</p>Consistent user experience
<p>Enjoy a unified user interface across the entire Tmax XT range from 160A to 1600A.</p>TECHNICAL SPECIFICATIONS
Current range 16–1600 A
<p>IEC variant, seven frame sizes from XT1 to XT7</p>Breaking capacity (max) 200 kA
<p>UL/CSA variant at 480 V</p>Energy measurement accuracy 1%
<p>Delivered by Ekip electronic trip units </p>Upgradable functions 50+
<p>Downloadable protections, metering and automation logic via ABB Ability Marketplace™</p>Operating temperature –25°C to +70°C
<p>Full performance range for IEC variant (IEC 60068-2-2) </p>Communication protocols 10+
<p>Native-spoken protocols including Modbus RTU, Profibus DP, IEC 61850 </p>SELECTION TOOLS & SIMULATOR
Trip unit simulator
An online tool to test Ekip series trip units configuration modules
Drawing selector tool
2D and 3D drawings - Choose the right solution using this online tool
Migration tool
An online tool enables you to find the new Ekip Dip offering for XT2 and XT4
VIDEOMANUALS
Circuit breakers
- Circuit breakers
- Accessories for circuit breakers
- Accessories for fixed part
- Spare parts
-
Execution and installation
Trip unit replacement
-
Preliminary operations
Safety operation
Front cover removal
Ekip COM - Modbus Communication module
Ekip TT - Trip test unit
Ekip Display - Trip unit display
AUX-C - 3Q Auxiliary contacts on the right cabled
AUX - Auxiliary contacts not cabled
AUX-C - Auxiliary contacts cabled (2Q+2SY+1S51)
Kit MP_P - Conversion into moving part of Plug-in
Kit MP_W - Conversion into moving part of Withdrawable
MIR-H - Mechanical interlock horizontal
RHD - Rotary handle direct mechanism
F - Front terminals
FC CuAl - Front terminals for copper-aluminium cables
MC - Multicable front terminals
SOR-C - Shunt opening release cabled
MOE - Stored energy motor operator
SOR-C_W - Shunt opening release cabled for withdrawable
MOD - Direct motor operator XT1-XT3
UVR-C - Undervoltage release cabled
RC Sel - Residual current release XT2-XT4
RC Sel - Residual current release XT1-XT3
AUP - Auxiliary position contacts
Rear plugs and sockets for Plug-in circuit breaker
HR/VR - Rear terminals for fixed part
REPLACEMENT
<p><b>Operating toggle</b></p> <p> </p> <p><a href="https://www.youtube-nocookie.com/embed/mePiQFC6q7Q?html5=1&rel=0&wmode=transparent&autoplay=1">Youtube Video</a></p> <p><a href="https://search.abb.com/library/Download.aspx?DocumentID=9AKK107045A1272&LanguageCode=en&DocumentPartId=&Action=Launch">Download ZIP</a></p> <p><a href="https://search.abb.com/library/Download.aspx?DocumentID=1SDH001016R0001&LanguageCode=en&DocumentPartId=&Action=Launch">Instruction manual PDF</a></p>
FREQUENTLY ASKED QUESTIONS
The SACE Tmax XT range covers from 16 A to 1600 A across seven frame sizes in the IEC variant, and from 125 A to 1200 A in the UL/CSA variant, suitable for every distribution level in low voltage installations.
Yes. Through the Ekip Com HUB and ABB Ability™ Energy and Asset Manager, SACE Tmax XT can be monitored and managed remotely via cloud connectivity, providing real-time data on energy consumption and equipment health.
Yes. Compatible Ekip Touch and Hi-Touch trip units support more than 50 updatable functions, downloadable in the field via ABB Ability Marketplace™ — without replacing hardware.
Depending on the frame size and variant, SACE Tmax XT is available in fixed, plug-in and withdrawable configurations.