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ABB T5N 400 molded case circuit breaker for industrial applications

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ABB T5N 400

by ABB

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OverviewThe ABB T5N 400 is a high-performance molded case circuit breaker (MCCB) designed for superior overload and short-circuit protection in demanding industrial and commercial electrical installations. As a product from ABB, a leader in power technology, this MCCB protects vital high-power circuits and equipment. With a robust 400A rated current, the T5N 400 offers reliability and efficiency. Its adjustable protection settings provide versatility, allowing precise customization for various electrical systems. The compact design and integrated DIN rail mounting facilitate seamless integration into modern power distribution systems and motor control centers, optimizing space and enhancing overall system architecture.Key Features Model: ABB T5N 400 Function: Molded case circuit breaker (MCCB) for comprehensive overload and short-circuit protection. Rated Current: A substantial 400A for robust protection of high-capacity electrical circuits. Adjustable Trip Settings: Customizable settings offer flexibility to meet specific load characteristics and operational demands. Breaking Capacity: An impressive capacity of up to 50kA at 415V, ensuring effective interruption during fault conditions. Thermal and Magnetic Protection: Dual-action protection mechanisms guard against sustained overcurrents (thermal) and instantaneous high-magnitude currents (magnetic). Compact Design: Optimized dimensions for efficient placement within electrical panel installations and sophisticated motor control centers. Reliable and Safe Operation: Engineered for consistent, dependable performance in challenging electrical environments. Technical Specifications Rated Voltage: 400V AC, compatible with standard industrial power supplies. Breaking Capacity: 50kA (at 415V), indicating capability to safely interrupt high fault currents. Tripping Type: Thermal-magnetic, offering an effective method for fault detection and interruption. Mounting Type: DIN rail, facilitating quick and secure installation within electrical enclosures. Operating Temperature: -5°C to 40°C, suitable for a wide range of operational environments. Protection Class: IP20, providing protection against solid objects larger than 12.5mm. Weight: 3.5 kg, reflecting robust construction. Applications Industrial Power Distribution: Essential for safeguarding critical circuits and equipment in factories, manufacturing plants, and heavy machinery. Commercial Buildings: Provides vital protection for electrical systems in various commercial establishments, including offices, hospitals, educational institutions, and shopping malls. Motor Control Centers: An ideal component for robust motor protection, ensuring the longevity and reliable operation of industrial motors and automation systems. Data Centers: Offers reliable and continuous protection for sensitive and critical electrical infrastructure in modern data centers, minimizing downtime and ensuring data integrity. Why ChooseThe ABB T5N 400 is a superior choice due to its unwavering commitment to reliable protection, continuously safeguarding electrical systems against damaging overload and short-circuit conditions, thereby extending the lifespan of valuable equipment. The customizable settings provide unparalleled flexibility, allowing precise tailoring of the MCCB's response to unique load characteristics and operational scenarios. Built with ABB's renowned engineering excellence, this MCCB guarantees long-term durability.Order NowContact us today to inquire about the ABB T5N 400 and enhance the safety and efficiency of your electrical systems.FAQQ: What is the primary function of the ABB T5N 400?A: The ABB T5N 400 is a molded case circuit breaker designed to provide comprehensive overload and short-circuit protection for industrial and commercial electrical installations.Q: What is the rated current for this MCCB?A: This MCCB has a substantial rated current of 400 Amperes.Q: Can the protection settings be adjusted?A: Yes, the ABB T5N 400 features adjustable trip settings, allowing for precise customization to meet specific load characteristics and operational demands.Q: What kind of protection mechanisms does it offer?A: It offers dual-action thermal and magnetic protection, guarding against sustained overcurrents and instantaneous high-magnitude currents.

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PRODUCT DETAILS

ABB T5N 400

Overview

This is a genuine ABB component. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine ABB catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader ABB automation ecosystem

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your ABB equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same ABB catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation ABB platform with documented conversion notes

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Rated Voltage: 400V AC, compatible with standard industrial power supplies.
  • Breaking Capacity: 50kA (at 415V), indicating capability to safely interrupt high fault currents.
  • Tripping Type: Thermal-magnetic, offering an effective method for fault detection and interruption.
  • Mounting Type: DIN rail, facilitating quick and secure installation within electrical enclosures.
  • Operating Temperature: -5°C to 40°C, suitable for a wide range of operational environments.
  • Protection Class: IP20, providing protection against solid objects larger than 12.5mm.
  • Weight: 3.5 kg, reflecting robust construction.

Applications

  • Industrial Power Distribution: Essential for safeguarding critical circuits and equipment in factories, manufacturing plants, and heavy machinery.
  • Commercial Buildings: Provides vital protection for electrical systems in various commercial establishments, including offices, hospitals, educational institutions, and shopping malls.
  • Motor Control Centers: An ideal component for robust motor protection, ensuring the longevity and reliable operation of industrial motors and automation systems.
  • Data Centers: Offers reliable and continuous protection for sensitive and critical electrical infrastructure in modern data centers, minimizing downtime and ensuring data integrity.

Why Choose the T5N?

The ABB T5N 400 is a superior choice due to its unwavering commitment to reliable protection, continuously safeguarding electrical systems against damaging overload and short-circuit conditions, thereby extending the lifespan of valuable equipment. The customizable settings provide unparalleled flexibility, allowing precise tailoring of the MCCB's response to unique load characteristics and operational scenarios. Built with ABB's renowned engineering excellence, this MCCB guarantees long-term durability.

Availability & Shipping

  • In stock: T5N ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every T5N ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — ABB

A: The ABB T5N 400 is a molded case circuit breaker designed to provide comprehensive overload and short-circuit protection for industrial and commercial electrical installations.

Machine down? We ship parts the same day.

New, surplus, and refurbished ABB inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

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PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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