1sda054181r1  t4n 250 tmd 32-320 4 pole abb mccb

1sda054181r1 t4n 250 tmd 32-320 4 pole abb mccb

ABB Tmax T4N 250 four-pole moulded case circuit breaker with thermomagnetic trip unit, adjustable 32 to 320 A overload setting and fixed front terminals for industrial power distribution.

SKU: 1SDA054181R1Alt SKU: T4N 250 TMD 32-320 4p F FMPN: 1SDA054181R1
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Why Choose the ABB 1SDA054181R1 Tmax T4N Moulded Case Circuit Breaker?

The ABB 1SDA054181R1 is a high-performance Tmax T4N moulded case circuit breaker (MCCB) engineered to provide dependable overload and short-circuit protection for industrial and commercial electrical distribution systems. As part of the trusted ABB Tmax T4 series, this fixed four-pole circuit breaker delivers reliable protection for low-voltage installations where safety, continuity of service and robust performance are essential.

Featuring a thermomagnetic (TMD) trip unit with an adjustable overload setting from 32 A to 320 A, the breaker provides accurate protection against sustained overloads and fault currents. Its fixed front terminal configuration simplifies installation while ensuring secure electrical connections in switchboards and distribution panels.

Designed for demanding industrial environments, the ABB 1SDA054181R1 combines proven circuit protection technology with compact dimensions, making it suitable for OEM machinery, industrial control panels, power distribution systems and infrastructure applications.

Key Advantages

  • High-quality ABB Tmax T4N moulded case circuit breaker.
  • Four-pole fixed design for comprehensive circuit protection.
  • Thermomagnetic TMD trip unit with adjustable overload settings.
  • Protects against overload and short-circuit faults.
  • Compact panel-mounted construction for electrical switchboards.
  • Suitable for industrial, commercial and OEM power distribution systems.

Key Features

  • ABB Tmax T4N 250 series.
  • Product code: 1SDA054181R1.
  • Rated current: 32 A.
  • Adjustable overload range: 32 to 320 A.
  • Four-pole (4P) configuration.
  • Thermomagnetic (TMD) release.
  • Fixed front terminals.
  • Rated operational voltage: up to 690 V AC.
  • Panel-mounted installation.

Reliable Protection for Low Voltage Power Distribution

Moulded case circuit breakers provide essential protection by automatically disconnecting electrical circuits during overload or short-circuit conditions. This helps protect electrical equipment, minimise downtime and improve overall system safety.

The ABB Tmax T4 series is widely specified across industrial facilities, manufacturing plants and commercial installations thanks to its dependable performance, flexible protection characteristics and long operational life.

Typical Applications

  • Industrial power distribution panels.
  • Motor control centres.
  • OEM machinery and equipment.
  • Electrical switchboards.
  • Commercial building electrical systems.
  • Manufacturing and processing facilities.

Technical Specifications

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Current 32 A
Phase Three Phase
Poles 4-pole
Device Type MCCB
Trip Unit Thermal-magnetic
Manufacturer ABB
Series Tmax T4N
Model T4N 250 TMD 32-320 4P F F
Product code 1SDA054181R1
Product type Moulded Case Circuit Breaker (MCCB)
Number of poles 4
Rated current 32 A
Overload adjustment range 32 to 320 A
Trip unit Thermomagnetic (TMD)
Terminal type Fixed front terminals
Rated operational voltage Up to 690 V AC
Mounting type Panel mounting
Protection rating IP20
Dimensions (H × W × D) Approx. 205 × 140 × 103.5 mm

Frequently Asked Questions

What is the ABB 1SDA054181R1 used for?

It is a moulded case circuit breaker designed to protect low-voltage electrical circuits against overloads and short circuits.

How many poles does this circuit breaker have?

The ABB 1SDA054181R1 is a four-pole (4P) moulded case circuit breaker.

What type of trip unit does it use?

This model uses a thermomagnetic (TMD) release that provides both overload and instantaneous short-circuit protection.

What is the rated operating voltage?

The breaker is designed for electrical systems operating at up to 690 V AC.

Where is this breaker typically installed?

It is commonly installed within industrial switchboards, distribution panels, OEM equipment and commercial electrical installations.

Trusted by Electrical Professionals Worldwide

ABB Tmax moulded case circuit breakers are trusted worldwide for delivering dependable circuit protection, high performance and long-term reliability across industrial, commercial and infrastructure applications.