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ABB XT3N 250 3 pole Normal MCCB Adjustable Thermal/Fixed Magnetic Release In=125A Ii=400A

ABB XT3N 250 3 pole Normal MCCB Adjustable Thermal/Fixed Magnetic Release In=125A Ii=400A

ABB XT3N 250 thermomagnetic moulded case circuit breaker with TMG R release, 125 A rated current, fixed three pole construction and front terminals for industrial low voltage power distribution.

SKU: 1SDA068254R1Alt SKU: XT3N 250 TMG 125-400 3p F FMPN: 1SDA068254R1
Price
List Price £785.69 ex VAT
Your Price (ex VAT)
£785.69
Manufacturer Lead Time Estimated Delivery 5 weeks
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Manufacturer Lead Time

£785.69

Why Choose the ABB 1SDA068254R1 XT3N 250 TMG 125-400 3P FF?

The ABB 1SDA068254R1 is a dependable SACE Tmax XT3N moulded case circuit breaker (MCCB) designed for low voltage power distribution and equipment protection. Equipped with a TMG R thermomagnetic release, this three pole circuit breaker provides reliable overload and short circuit protection for industrial, commercial and OEM electrical installations.

As part of the trusted ABB SACE Tmax XT series, this MCCB combines compact dimensions with robust construction and proven breaking performance. Its fixed three pole configuration with front terminals enables straightforward installation in switchboards, motor control centres, distribution panels and industrial control systems.

With a 250 A frame size, 125 A rated current, adjustable thermal protection, fixed magnetic trip at 400 A and a 690 V AC rated operational voltage, the ABB 1SDA068254R1 provides dependable circuit protection for demanding low voltage applications.

Key Advantages

  • Reliable ABB SACE Tmax XT3N moulded case circuit breaker.
  • TMG R thermomagnetic release providing overload and short circuit protection.
  • Three pole fixed configuration with front terminals.
  • 125 A rated current within a 250 A frame.
  • Compact XT3 frame simplifies switchboard integration.
  • Suitable for industrial, commercial and OEM applications.

Key Features

  • Manufacturer: ABB
  • SACE Tmax XT3N series.
  • Model: XT3N 250 TMG 125-400 3P FF.
  • Product ID: 1SDA068254R1.
  • EAN: 8015644021603.
  • Frame size: XT3 250.
  • Rated current: 125 A.
  • TMG R thermomagnetic release.
  • Three pole fixed breaker.
  • Front terminal connections.
  • Designed in accordance with IEC 60947-2.

Reliable Thermomagnetic Protection for Industrial Power Distribution

The ABB XT3N MCCB protects electrical installations by detecting overloads through its thermal element and clearing short circuits rapidly using its magnetic trip mechanism. This combination provides dependable protection for cables, switchgear and connected equipment.

Its compact fixed design, front terminal arrangement and proven ABB reliability make it well suited for industrial control panels, commercial switchboards and OEM electrical assemblies requiring consistent low voltage protection.

Typical Applications

  • Industrial power distribution panels.
  • Commercial switchboards.
  • Motor control centres.
  • OEM machinery and control panels.
  • Low voltage distribution systems.
  • Process automation installations.

Technical Specifications

Mounting Type Fixed
Application Generator protection
Current 125 A
Phase Three Phase
Manufacturer ABB
Series SACE Tmax XT
Model XT3N 250 TMG 125-400 3P FF
Product ID 1SDA068254R1
EAN 8015644021603
Product type Moulded case circuit breaker
Frame size XT3 250
Rated current (In) 125 A
Rated uninterrupted current (Iu) 250 A
Number of poles 3
Release TMG R thermomagnetic release
Rated instantaneous short circuit setting (Ii) 400 A
Rated operational voltage 690 V AC / 500 V DC
Rated insulation voltage (Ui) 800 V
Rated impulse withstand voltage (Uimp) 8 kV
Frequency 50 / 60 Hz
Terminal type Front bolt terminals
Mounting Fixed
Breaking capacity at 415 V AC 36 kA
Short circuit performance level N
Dimensions (H × W × D) approx. 150 × 105 × 70 mm
Weight approx. 1.7 kg
Standards IEC 60947-2
HS Code 85362090
Country of Manufacture Italy
Poles 3-pole
Device Type MCCB
Breaking Capacity 36 kA
Trip Unit Thermal-magnetic

Frequently Asked Questions

What is the ABB 1SDA068254R1 used for?

This moulded case circuit breaker protects low voltage electrical circuits against overloads and short circuits in industrial and commercial installations.

What is the rated current of this MCCB?

The ABB 1SDA068254R1 has a rated current of 125 A within an XT3 250 frame.

What type of release does this breaker use?

It uses a TMG R thermomagnetic release for combined overload and short circuit protection.

How many poles does this circuit breaker have?

This model is supplied as a three pole (3P) fixed moulded case circuit breaker.

Where is this MCCB typically installed?

It is commonly installed in industrial switchboards, motor control centres, commercial distribution panels and OEM electrical equipment.

Trusted by Electrical Professionals Worldwide

ABB SACE Tmax XT moulded case circuit breakers are trusted worldwide for delivering dependable protection, robust construction and long service life across demanding industrial and commercial electrical installations.

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