1sda054182r1  t4n 250 tmd 50-500 4 pole abb mccb

1sda054182r1 t4n 250 tmd 50-500 4 pole abb mccb

ABB 1SDA054182R1 Tmax T4N 250 four-pole moulded case circuit breaker with thermomagnetic TMD release, 50-500 A protection setting, fixed version and front terminals for low-voltage power distribution.

SKU: 1SDA054182R1Alt SKU: T4N 250 TMD 50-500 4p F FMPN: 1SDA054182R1
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Why Choose the ABB 1SDA054182R1 Tmax T4N Moulded Case Circuit Breaker?

The ABB 1SDA054182R1 is a robust Tmax T4N moulded case circuit breaker (MCCB) designed to provide reliable protection for low-voltage electrical distribution systems. As part of the trusted ABB SACE Tmax T series, this four-pole circuit breaker is engineered for industrial switchboards, commercial installations, OEM control panels and power distribution applications requiring dependable overload and short-circuit protection.

This MCCB features a thermomagnetic TMD release with a protection setting of 50–500 A, helping safeguard electrical circuits against sustained overloads and high fault currents. Its fixed four-pole design and front terminal connection make it suitable for panel builders and electrical engineers who require a compact, reliable and easy-to-integrate protection device.

Built for demanding environments, the ABB 1SDA054182R1 provides dependable performance within the Tmax T4N 250 frame size, combining strong breaking capacity, proven ABB circuit protection technology and practical installation flexibility for modern low-voltage power systems.

Key Advantages

  • High-quality ABB Tmax T4N moulded case circuit breaker.
  • Four-pole fixed design for low-voltage circuit protection.
  • Thermomagnetic TMD release for overload and short-circuit protection.
  • 50–500 A trip setting range for demanding distribution applications.
  • Front terminals for straightforward switchboard installation.
  • Suitable for industrial, commercial and OEM electrical systems.

Key Features

  • ABB SACE Tmax T4N 250 series.
  • Product code: 1SDA054182R1.
  • Four-pole (4P) moulded case circuit breaker.
  • Thermomagnetic TMD trip unit.
  • 50–500 A protection setting.
  • Fixed breaker version.
  • Front terminal connection.
  • Designed for low-voltage power distribution and switchgear assemblies.

Reliable Circuit Protection for Low-Voltage Distribution

Moulded case circuit breakers such as the ABB Tmax T4N are essential components in modern electrical distribution systems. They help protect cables, equipment and downstream devices by disconnecting circuits during overload or short-circuit conditions.

The ABB 1SDA054182R1 is particularly suited to applications where reliable four-pole isolation and protection are required. Its thermomagnetic trip technology provides dependable circuit protection without the need for complex electronic configuration, making it a practical choice for many industrial and commercial installations.

Typical Applications

  • Industrial electrical distribution boards.
  • Commercial switchboards and panel assemblies.
  • OEM machinery and control panels.
  • Power distribution systems.
  • Motor control centres.
  • Infrastructure and building services installations.

Technical Specifications

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Current 50 A
Phase Three Phase
Poles 4-pole
Device Type MCCB
Trip Unit Thermal-magnetic
Manufacturer ABB
Series SACE Tmax T4N
Model T4N 250 TMD 50-500 4P F F
Product code 1SDA054182R1
Product type Moulded Case Circuit Breaker
Frame size T4N 250
Number of poles 4
Release type Thermomagnetic
Trip unit TMD
Protection setting 50–500 A
Version Fixed
Terminal connection Front terminals
Rated operational voltage Up to 690 V AC
Mounting type Panel / switchboard mounting
Product family ABB SACE Tmax T moulded case circuit breakers

Frequently Asked Questions

What is the ABB 1SDA054182R1 used for?

The ABB 1SDA054182R1 is used to protect low-voltage electrical circuits against overload and short-circuit faults in industrial and commercial distribution systems.

How many poles does this circuit breaker have?

This model is a four-pole moulded case circuit breaker, making it suitable for applications requiring four-pole switching and protection.

What type of trip unit does the ABB 1SDA054182R1 use?

It uses a thermomagnetic TMD release, providing protection against both overloads and short circuits.

What is the protection setting of this breaker?

The ABB 1SDA054182R1 has a 50–500 A thermomagnetic protection setting.

Where is this MCCB typically installed?

It is typically installed in switchboards, distribution panels, industrial control systems and OEM machinery panels.

Trusted by Electrical Professionals Worldwide

ABB Tmax moulded case circuit breakers are widely specified by panel builders, electrical engineers and industrial maintenance teams for dependable circuit protection, strong performance and long-term reliability in low-voltage power distribution systems.