ABB XT4L 160 4 pole Low MCCB Adjustable Thermal-Magnetic Release In=125A Ii=1250A

ABB XT4L 160 4 pole Low MCCB Adjustable Thermal-Magnetic Release In=125A Ii=1250A

ABB 1SDA068388R1 SACE Tmax XT4L 160 moulded case circuit breaker with 125 A rated current, four-pole fixed configuration, 50% neutral, front terminals and TMA thermal magnetic release.

SKU: 1SDA068388R1Alt SKU: XT4L 160 TMA 125-1250 4p F F InN=50%MPN: 1SDA068388R1
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List Price £1,497.19 ex VAT
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Manufacturer Lead Time Estimated Delivery 5 weeks
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Why Choose the ABB 1SDA068388R1 Tmax XT4L 160 MCCB?

The ABB 1SDA068388R1 is a high-performance Tmax XT4L moulded case circuit breaker (MCCB) engineered to provide dependable protection for low voltage electrical distribution systems. As part of the trusted ABB SACE Tmax XT range, this breaker delivers outstanding protection against overloads and short circuits for industrial, commercial and infrastructure applications where high fault levels are present.

This model features a fixed four-pole configuration with front terminals and a TMA thermal magnetic release. The adjustable thermal protection enables accurate matching to connected loads, while the adjustable instantaneous magnetic trip provides rapid fault clearance to protect cables, switchgear and connected equipment. A 50% rated neutral pole makes this version suitable for installations where a reduced neutral current capacity is required.

With a rated current of 125 A, a 690 V AC rated operational voltage and a 120 kA breaking capacity at 415 V AC, the XT4L 160 is an excellent choice for demanding electrical distribution applications requiring reliable circuit protection and long service life.

Key Advantages

  • High-performance ABB SACE Tmax XT4L moulded case circuit breaker.
  • 125 A rated current for industrial power distribution.
  • 120 kA breaking capacity at 415 V AC.
  • Reliable TMA thermal magnetic trip unit.
  • 50% neutral pole rating for suitable distribution systems.
  • Four-pole fixed version with front terminal connections.

Key Features

  • ABB SACE Tmax XT4L series.
  • Product ID: 1SDA068388R1.
  • Model: XT4L 160 TMA 125-1250 4p F F InN=50%.
  • 125 A rated current.
  • TMA thermal magnetic release.
  • Adjustable thermal setting range 87.5 to 125 A.
  • Instantaneous magnetic trip setting range 625 to 1250 A.
  • Four-pole fixed breaker.
  • Front bolt terminal connection.
  • Neutral pole rated at 50% of phase current.

Reliable Protection for Electrical Distribution Systems

The ABB Tmax XT4L series provides dependable protection against overloads and short circuits while maintaining excellent electrical performance under demanding operating conditions. Its thermal magnetic trip technology ensures rapid fault interruption to minimise equipment damage and reduce downtime.

Designed for switchboards, motor control centres and industrial power distribution systems, the XT4L range combines compact dimensions, high breaking capacity and ABB engineering expertise to provide dependable long-term protection.

Typical Applications

  • Industrial power distribution panels.
  • Low voltage switchboards.
  • Motor control centres.
  • Commercial electrical installations.
  • OEM machinery and process equipment.
  • Infrastructure and utilities.

Technical Specifications

Mounting Type Fixed
Application Power distribution
Current 125 A
Phase Three Phase
Manufacturer ABB
Series SACE Tmax XT
Model XT4L 160 TMA 125-1250 4p F F InN=50%
Product ID 1SDA068388R1
EAN 8015644022945
Product type Moulded Case Circuit Breaker (MCCB)
Rated current (In) 125 A
Rated uninterrupted current (Iu) 160 A
Frame size XT4
Rated operational voltage 690 V AC / 750 V DC
Rated insulation voltage (Ui) 1000 V
Rated impulse withstand voltage (Uimp) 8 kV
Frequency 50 / 60 Hz
Number of poles 4
Neutral rating 50% of phase current
Trip unit TMA thermal magnetic
Thermal adjustment range 87.5 to 125 A
Instantaneous trip setting 625 to 1250 A
Breaking capacity (Icu at 415 V AC) 120 kA
Breaking capacity (Icu at 690 V AC) 20 kA
Protection rating IP20
Terminal type Front bolt terminals
Mounting Fixed
Dimensions (H × W × D) 160 × 140 × 82.5 mm
Weight approx. 3.05 kg
HS Code 85362090
Country of Manufacture Italy
Poles 4-pole
Device Type MCCB
Breaking Capacity 120 kA
Trip Unit Thermal-magnetic

Frequently Asked Questions

What is the ABB 1SDA068388R1 used for?

This MCCB protects low voltage electrical systems against overloads and short circuits in industrial and commercial power distribution installations.

What is the rated current of this breaker?

The ABB 1SDA068388R1 has a 125 A rated current with an adjustable thermal setting from 87.5 A to 125 A.

What type of trip unit does it use?

It uses a TMA thermal magnetic trip unit with adjustable overload and instantaneous magnetic protection.

What does InN=50% mean?

This version has a neutral pole rated at 50% of the phase current, making it suitable for systems where a reduced neutral current rating is appropriate.

Where is this MCCB typically installed?

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

Trusted by Electrical Professionals Worldwide

ABB SACE Tmax XT moulded case circuit breakers are trusted worldwide by panel builders, OEMs and electrical engineers for dependable circuit protection, exceptional breaking performance and long-term operational reliability.

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