The ABB Formula Series T3N200TW Molded Case Circuit Breaker (MCCB) is engineered to provide dependable protection for electrical systems against overloads and short circuits. Designed for branch circuit protection, this breaker combines robust performance with compliance to international safety standards, making it ideal for industrial and commercial applications.

With a 200A current rating and 4-pole configuration, the T3N200TW supports three-phase systems and ensures consistent power distribution. Its fixed thermal-magnetic trip unit delivers accurate and reliable protection by responding to both overload and short-circuit conditions.

Part of ABB’s trusted Formula Series, this breaker offers flexibility and scalability, covering a wide current range and supporting various voltage applications. It is UL 489 listed and built to meet stringent safety requirements, ensuring peace of mind in critical installations.

The unit supports a wide range of optional accessories such as shunt trips, auxiliary contacts, and undervoltage releases, allowing customization to meet specific operational needs. Built with durability and performance in mind, the T3N200TW is a reliable choice for modern electrical protection systems.

Key Features

• High Breaking Capacity: 25kA at 480VAC for enhanced fault protection
• Reliable Protection: Fixed thermal-magnetic trip unit for overload and short-circuit protection
• 4-Pole Design: Suitable for three-phase electrical systems
• Wide Application Range: Ideal for commercial and industrial use
• Standards Compliant: UL 489 Listed (E93565) and CSA certified
• Expandable Functionality: Compatible with accessories like shunt trips and auxiliary contacts
• Durable Construction: Designed for long-term performance in demanding environments

Technical Specifications

• Model: T3N200TW
• Item Number: 1SDA055110R1
• Product Type: Molded Case Circuit Breaker (MCCB)
• Poles: 4
• Rated Current: 200A
• Rated Voltage: 480VAC
• Interrupting Capacity: 25kA @ 480VAC
• Trip Unit: Fixed Thermal/Magnetic
• Terminal Lugs: Not included

TMAX / Formula Series Overview

• Current Range: 15A – 2500A
• Voltage Range (AC): 240 / 277 / 480 / 600Y VAC
• Voltage Range (DC): 250 / 500 / 600 VDC
• Interrupting Capacity: Up to 150kA @ 480VAC
• Standards: UL 489, CSA C22.2
• Applications: Branch circuit protection in industrial and commercial systems