TMAX T
Tmax T is a complete range of moulded case circuit breakers designed for low voltage civil and industrial applications. Available in fixed, plug-in, and withdrawable versions with interchangeable thermomagnetic and electronic trip units, Tmax T delivers the flexibility and performance to meet the most demanding protection requirements.
RELIABLE PROTECTION, ADVANCED SELECTIVITY, AND MONITORING CAPABILITIES.
Tmax T moulded case circuit breakers cover low voltage protection needs, from 320 A to 3200 A, in civil and industrial installations worldwide. The range includes five frame sizes — T4, T5, T6, T7, and T8 — available in three-pole and four-pole configurations, and in fixed, plug-in, or withdrawable versions to support flexible switchboard design.
Thermal-magnetic and electronic trip units provide reliable protection, advanced selectivity, and monitoring capabilities. Dedicated versions extend the Tmax T platform to specialized applications including DC networks, renewable energy systems, variable frequency drives, motor protection, zone selectivity, and high-voltage applications up to 1500 V DC and 1150 V AC.
Interchangeable trip units and a common accessory platform simplify installation upgrades, maintenance activities, and stock management.
PRODUCT OFFERING
<p>Tmax T addresses a wide range of application requirements, from standard AC distribution to specialized industrial and DC environments. All versions share a modular accessory platform, enabling simplified engineering, installation flexibility, and optimized lifecycle management.</p>
Tmax T IEC
Modern low-voltage power distribution systems require protection solutions that combine reliability, flexibility, and ease of integration. Tmax T IEC molded
case circuit breakers are designed to case circuit breakers are designed to industrial, commercial, and infrastructure applications, providing high performance, advanced protection technologies, and a broad range of configurations that simplify system design while ensuring compliance with international IEC standards.
Key Technical Features
- Current ratings from 320 A to 3200 A
- Compliance with IEC 60947-2
- Thermal-magnetic and electronic trip units with advanced protection functions
- High breaking capacity versions for demanding fault levels
- Comprehensive range of accessories for monitoring, communication, and remote operation.
Tmax T UL
Electrical installations designed according to North American standards demand circuit breakers that deliver dependable protection while meeting stringent certification requirements. Tmax T UL molded case circuit breakers provide high interrupting performance, installation flexibility, and a complete range of protection options, making them ideal for OEMs, industrial facilities, commercial buildings, and export machinery requiring UL compliance.
Key Technical Features
- Compliance with UL 489 and CSA C22.2 standards
- Current ratings up to 2500 A
- High interrupting ratings for North American distribution systems
- Thermal-magnetic and electronic trip unit options
- Wide range of accessories for control, signaling, and motor operation
Tmax T Special applications
Critical installations often operate under conditions that go beyond conventional power distribution requirements. Tmax T Special Applications extend the proven Tmax platform with dedicated solutions engineered for demanding environments, including DC networks, renewable energy, marine installations, and other applications requiring enhanced performance, specialized certifications, or operation under challenging environmental conditions.
Key Technical Features
- Dedicated solutions for DC, renewable energy, marine, and other special applications
- Application-specific protection and certified product configurations
- High reliability in demanding operating environments
- Compatible with the Tmax T accessory platform for increased flexibility
- Engineered to meet application-specific international standards and requirements
KEY FEATURES
High breaking capacity in compact dimensions
<p>High short-circuit breaking capacities are available across the range, ensuring reliable protection while optimizing switchboard space and installation efficiency</p>Flexibility of use
<p>Thermal-magnetic and electronic trip units are available for different application requirements. Interchangeable trip units allow installation upgrades and simplified maintenance while reducing lifecycle costs.</p>Advanced protection
<p>A complete range of electronic trip units is suitable for different level of protection, even enhancing selectivity values with Early Fault Detection and Prevention algorithm.</p>TECHNICAL SPECIFICATIONS
Standard IEC 60947-2 / UL 489 depending on version
<p>Certified solutions for global low voltage applications.</p>Current range Up to 3200 A
<p>Five frame sizes available: T4, T5, T6, T7, and T8.</p>Breaking capacity Up to 200 kA at 415 V AC
<p>High short-circuit protection performance for demanding installations.</p>System voltages Up to 690 V AC
<p>Dedicated versions available up to 1150 V AC and 1500 V DC.</p>Trip units Thermal-magnetic and electronic
<p>Advanced protection, selectivity, monitoring, and communication functions.</p>Configurations Fixed, plug-in, and withdrawable
<p>Flexible installation solutions for switchboards and OEM equipment.</p>FREQUENTLY ASKED QUESTIONS
Tmax T moulded case circuit breakers are available up to 3200 A, covering frame sizes T4, T5, T6, T7, and T8.
Yes. Dedicated Tmax T variants are available for applications up to 1500 V DC and 1150 V AC.
Tmax T is available in fixed, plug-in, and withdrawable versions. Sizes T4 and T5 support the plug-in version; T4, T5, T6, and T7 also support the withdrawable version.
Yes. The Tmax T – VF variant is specifically designed for variable frequency applications.