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ABB XT3N 250 3 pole Normal MCCB Adjustable Thermal/Fixed Magnetic Release In=63A Ii=400A

ABB XT3N 250 3 pole Normal MCCB Adjustable Thermal/Fixed Magnetic Release In=63A Ii=400A

ABB 1SDA068251R1 SACE Tmax XT3N 250 moulded case circuit breaker with TMG R thermomagnetic release, 63 A rated current, three pole fixed configuration and front terminals for low voltage circuit protection.

SKU: 1SDA068251R1Alt SKU: XT3N 250 TMG 63-400 3p F FMPN: 1SDA068251R1
Price
List Price £710.13 ex VAT
Your Price (ex VAT)
£710.13
Manufacturer Lead Time Estimated Delivery 5 weeks
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Manufacturer Lead Time

£710.13

Why Choose the ABB 1SDA068251R1 XT3N 250 TMG 63-400 3P FF?

The ABB 1SDA068251R1 is a dependable SACE Tmax XT3N moulded case circuit breaker (MCCB) designed for low voltage power distribution and circuit protection applications. Featuring a TMG 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 robust construction with compact dimensions and proven breaking performance. Its fixed three pole configuration with front terminals supports straightforward installation in switchboards, distribution panels, motor control centres and machinery control systems.

With a 250 A frame size, 63 A rated current, TMG R 63-400 A thermomagnetic release and 690 V AC rated operational voltage, the ABB 1SDA068251R1 is ideal for low voltage circuits requiring dependable ABB protection and flexible thermal-magnetic performance.

Key Advantages

  • Reliable ABB SACE Tmax XT3N moulded case circuit breaker.
  • TMG thermomagnetic release for overload and short circuit protection.
  • Three pole fixed configuration with front terminals.
  • 63 A rated current within a 250 A frame size.
  • Compact XT3 frame supports efficient panel integration.
  • Suitable for industrial, commercial and OEM switchgear applications.

Key Features

  • Manufacturer: ABB
  • SACE Tmax XT3N series.
  • Model: XT3N 250 TMG 63-400 3P FF.
  • Product ID: 1SDA068251R1.
  • EAN: 8015644021573.
  • Frame size: XT3 250.
  • Rated current: 63 A.
  • TMG R thermomagnetic release.
  • Three pole fixed breaker.
  • Front terminal connections.
  • Designed for IEC 60947-2 compliant installations.

Reliable Thermomagnetic Protection for Low Voltage Circuits

The ABB XT3N MCCB helps protect electrical installations by detecting overload and short circuit conditions before they can damage cables, switchgear or downstream equipment. The TMG thermomagnetic release combines thermal overload protection with magnetic short circuit tripping for dependable circuit safety.

Its compact fixed construction, front terminal layout and strong interrupting performance make it suitable for industrial switchboards, commercial distribution panels and OEM assemblies where reliable low voltage protection is required.

Typical Applications

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

Technical Specifications

Mounting Type Fixed
Application Generator protection
Current 63 A
Phase Three Phase
Manufacturer ABB
Series SACE Tmax XT
Model XT3N 250 TMG 63-400 3P FF
Product ID 1SDA068251R1
EAN 8015644021573
Product type Moulded case circuit breaker
Frame size XT3 250
Rated current (In) 63 A
Rated uninterrupted current (Iu) 250 A
Number of poles 3
Release TMG R thermomagnetic release
Release type Thermal-magnetic
Release range 63-400 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 terminals
Terminal connection Bolt terminal
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 1SDA068251R1 used for?

This moulded case circuit breaker is used to protect low voltage electrical circuits against overloads and short circuits in industrial and commercial installations.

What is the rated current of this MCCB?

The ABB 1SDA068251R1 has a 63 A rated current within an XT3 250 A frame.

What type of release does this circuit breaker use?

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

How many poles does this 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 switchboards, distribution panels, motor control centres and OEM electrical equipment.

Trusted by Electrical Professionals Worldwide

ABB SACE Tmax XT moulded case circuit breakers are trusted by electrical engineers, contractors and panel builders for dependable protection, robust construction and long term performance in demanding power distribution systems.

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