ABB XT5N 400 4 pole Normal MCCB Adjustable Thermal-Magnetic Release In=400A Ii=4000A

ABB XT5N 400 4 pole Normal MCCB Adjustable Thermal-Magnetic Release In=400A Ii=4000A

ABB 1SDA100385R1 SACE Tmax XT5N moulded case circuit breaker with 400 A rated current, four poles and thermomagnetic trip unit for industrial and commercial electrical distribution systems.

SKU: 1SDA100385R1Alt SKU: XT5N 400 TMA 400-4000 4p F F InN=100%InMPN: 1SDA100385R1
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Why Choose the ABB 1SDA100385R1 Moulded Case Circuit Breaker?

The ABB 1SDA100385R1 is a robust SACE Tmax XT5N moulded case circuit breaker (MCCB) designed to deliver dependable protection for low-voltage electrical distribution systems. Engineered for industrial and commercial installations, it provides reliable protection against overloads and short circuits while maintaining the continuity and safety of critical electrical infrastructure.

Part of the proven ABB SACE Tmax XT range, this fixed circuit breaker combines a compact design with advanced thermomagnetic protection, making it an excellent choice for panel builders, OEMs and electrical contractors. The front terminal configuration simplifies installation whilst the fully rated neutral enhances system flexibility for a wide range of applications.

With a 400 A rated current, 4-pole configuration and a 36 kA breaking capacity at 415 V AC, the ABB 1SDA100385R1 is ideal for protecting switchboards, power distribution systems, industrial machinery and commercial electrical installations requiring reliable overcurrent protection.

Key Advantages

  • High-performance moulded case circuit breaker for industrial and commercial electrical protection.
  • 400 A rated current suitable for medium and high-capacity distribution systems.
  • 4-pole design provides protection for all phases and the neutral conductor.
  • Reliable thermomagnetic (TMA) trip unit protects against overloads and short circuits.
  • Fixed front terminal arrangement enables straightforward panel installation.
  • Compact ABB XT5 frame reduces switchboard space requirements.

Key Features

  • ABB SACE Tmax XT5N series.
  • 400 A rated current.
  • 36 kA breaking capacity at 415 V AC.
  • 4-pole fixed construction.
  • Thermomagnetic TMA protection unit.
  • Adjustable magnetic short-circuit setting.
  • Fully rated neutral (100% In).
  • Front terminal connections for simple installation.

Reliable Protection for Low Voltage Power Distribution

The ABB XT5N moulded case circuit breaker provides dependable protection by automatically disconnecting electrical circuits during overload or short-circuit conditions. Its thermomagnetic release combines thermal protection for sustained overloads with rapid magnetic tripping during fault conditions, helping protect equipment and minimise downtime.

The SACE Tmax XT series is widely used throughout industrial, commercial and infrastructure projects where high reliability, compact dimensions and compliance with international electrical standards are essential.

Typical Applications

  • Industrial switchboards.
  • Commercial electrical distribution panels.
  • Motor control centres.
  • Manufacturing plants.
  • OEM machinery.
  • Infrastructure and utility installations.

Technical Specifications

Mounting Type Fixed
Application Power distribution
Current 400 A
Phase Three Phase
Manufacturer ABB
Series SACE Tmax XT
Model XT5N 400
Product code 1SDA100385R1
Product type Moulded Case Circuit Breaker (MCCB)
Rated current 400 A
Trip unit Thermomagnetic (TMA)
Thermal adjustment 280 to 400 A
Magnetic adjustment 2000 to 4000 A
Breaking capacity (Icu) 36 kA at 415 V AC
Rated operational voltage Up to 690 V AC / 750 V DC
Number of poles 4
Frame size XT5
Neutral rating 100% In
Mounting Fixed
Connection type Front terminals
Protection rating IP20
Dimensions (H × W × D) approx. 205 × 186 × 104 mm
Weight approx. 5.6 kg
HS Code 85362090
Country of Manufacture Italy
Poles 4-pole
Device Type MCCB
Breaking Capacity 36 kA
Trip Unit Thermal-magnetic

Frequently Asked Questions

What is the ABB 1SDA100385R1 used for?

This moulded case circuit breaker protects low-voltage electrical circuits against overloads and short circuits in industrial and commercial power distribution systems.

What is the rated current of this MCCB?

The ABB 1SDA100385R1 has a 400 A rated current.

What type of protection unit is fitted?

The breaker features a thermomagnetic (TMA) trip unit with adjustable thermal and magnetic protection settings.

How many poles does the circuit breaker have?

This model has a 4-pole configuration with a fully rated neutral conductor.

Where is this MCCB commonly installed?

It is typically installed in switchboards, distribution panels, motor control centres and industrial electrical systems requiring dependable circuit protection.

Trusted by Electrical Professionals Worldwide

ABB SACE Tmax XT moulded case circuit breakers are trusted by electrical engineers, OEMs and panel builders worldwide for delivering dependable protection, high performance and long-term reliability in demanding power distribution applications.

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