ABB MCCB 1sda054172r1-t4n 250 tmd 32-320 3 pole

ABB MCCB 1sda054172r1-t4n 250 tmd 32-320 3 pole

ABB 1SDA054172R1 Tmax T4N 250 moulded case circuit breaker with TMD thermomagnetic trip unit, 32-320 A adjustable release range, three-pole fixed configuration and front terminals for low voltage power distribution.

SKU: 1SDA054172R1Alt SKU: T4N 250 TMD 32-320 3p F FMPN: 1SDA054172R1
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Why Choose the ABB 1SDA054172R1 Tmax T4N 250 MCCB?

The ABB 1SDA054172R1 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 proven ABB SACE Tmax T series, this three-pole breaker is built for industrial, commercial and OEM applications where dependable overload and short-circuit protection is essential.

This MCCB is fitted with a TMD thermomagnetic trip unit, providing thermal overload protection and magnetic short-circuit protection in one compact device. Its adjustable 32–320 A protection range allows the breaker to be matched to the requirements of a wide range of electrical distribution and machinery applications.

With a T4N 250 frame, three-pole fixed configuration and front terminal connections, the ABB 1SDA054172R1 is well suited for switchboards, distribution panels, motor control centres and industrial power systems requiring practical, reliable circuit protection.

Key Advantages

  • Reliable ABB Tmax T4N moulded case circuit breaker.
  • TMD thermomagnetic release for overload and short-circuit protection.
  • 32–320 A adjustable protection range for flexible system design.
  • Three-pole fixed design with front terminal connections.
  • Suitable for industrial, commercial and OEM low voltage applications.
  • Designed for switchboards, distribution panels and machinery control systems.

Key Features

  • ABB SACE Tmax T series.
  • T4N 250 MCCB frame.
  • 3-pole fixed circuit breaker.
  • TMD thermomagnetic trip unit.
  • 32–320 A adjustable release range.
  • Front terminal connections.
  • Rated operational voltage up to 690 V AC.
  • Designed for low voltage circuit protection and power distribution.

Thermomagnetic Protection for Low Voltage Systems

Moulded case circuit breakers such as the ABB Tmax T4N help protect electrical installations by disconnecting circuits during overload and short-circuit conditions. The TMD thermomagnetic release combines thermal protection for sustained overloads with magnetic protection for high fault currents, delivering dependable protection for a wide range of electrical systems.

The ABB 1SDA054172R1 combines robust construction, compact dimensions and proven ABB engineering, making it a practical choice for switchgear assemblies, distribution boards and industrial installations requiring reliable circuit protection.

Typical Applications

  • Industrial switchboards and panel boards.
  • Commercial electrical distribution systems.
  • Motor control centres.
  • Feeder and transformer protection.
  • Generator and backup power systems.
  • OEM machinery and automation panels.
  • Infrastructure and utilities installations.

Technical Specifications

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Current 32 A
Phase Three Phase
Poles 3-pole
Device Type MCCB
Breaking Capacity 36 kA
Trip Unit Thermal-magnetic
Manufacturer ABB
Series SACE Tmax T
Model T4N 250
Part number 1SDA054172R1
Product type Moulded case circuit breaker (MCCB)
Release setting 32–320 A
Frame size 250 A
Rated operational voltage 690 V AC
Number of poles 3
Mounting type Fixed
Terminal type Front terminals
Trip unit TMD thermomagnetic release
Breaking capacity 36 kA at 415 V AC
Dimensions (H × W × D) approx. 205 × 105 × 103.5 mm
EAN 8015644552725
Standards IEC 60947

Frequently Asked Questions

What is the ABB 1SDA054172R1 used for?

The ABB 1SDA054172R1 is used to protect low voltage electrical circuits against overloads and short circuits in industrial, commercial and OEM power distribution systems.

What trip unit is fitted to the ABB 1SDA054172R1?

It is fitted with a TMD thermomagnetic trip unit, providing thermal overload and magnetic short-circuit protection.

What is the adjustable protection range?

This breaker has an adjustable 32–320 A protection range, allowing it to be configured for suitable low voltage distribution applications.

How many poles does this breaker have?

The ABB 1SDA054172R1 is a 3-pole fixed moulded case circuit breaker.

Where is this MCCB typically installed?

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

Trusted by Electrical Professionals Worldwide

ABB SACE Tmax moulded case circuit breakers are widely trusted by panel builders, electrical contractors and industrial engineers for dependable low voltage circuit protection, robust performance and reliable operation in demanding power distribution applications.