Why Choose the ABB 1SDA100489R1 Tmax XT5H Circuit Breaker?
The ABB 1SDA100489R1 is a premium 400 A moulded case circuit breaker (MCCB) designed to provide dependable overload and short-circuit protection for industrial and commercial low-voltage power distribution systems. As part of the advanced ABB SACE Tmax XT5H range, this three-pole circuit breaker combines high interruption performance with an advanced electronic protection unit for demanding electrical installations.
Fitted with the Ekip Dip LSI electronic trip unit, the breaker provides adjustable long-time overload, short-time delay and instantaneous short-circuit protection. These protection functions enable accurate coordination with downstream protective devices, improving system selectivity and operational continuity.
With a rated uninterrupted current of 400 A, a rated operating voltage of up to 690 V AC and a high breaking capacity, the ABB 1SDA100489R1 is suitable for industrial switchboards, distribution panels, motor control centres and OEM machinery where reliable circuit protection is essential.
Key Advantages
High-performance 400 A moulded case circuit breaker.
Ekip Dip LSI electronic trip unit for precise protection.
High fault interruption capability for demanding installations.
Adjustable overload, short-time and instantaneous protection.
Front terminals allow straightforward cable connection and maintenance.
Key Features
ABB SACE Tmax XT5H series.
400 A rated uninterrupted current.
Three-pole fixed MCCB.
Ekip Dip LSI electronic release.
Rated operating voltage up to 690 V AC.
Rated insulation voltage of 1000 V.
Rated impulse withstand voltage of 8 kV.
Front terminal connection arrangement.
Reliable Protection for Industrial Power Distribution
The ABB XT5H series moulded case circuit breakers continuously monitor electrical circuits and disconnect the supply whenever overload or short-circuit conditions occur. This helps protect valuable equipment, minimise downtime and improve the safety of industrial electrical installations.
The integrated Ekip Dip LSI trip unit allows engineers to fine-tune protection settings, making the breaker suitable for complex power distribution systems requiring selective coordination and dependable fault isolation.
Typical Applications
Industrial switchboards.
Commercial distribution panels.
Motor control centres.
Manufacturing facilities.
OEM machinery.
Low-voltage power distribution systems.
Technical Specifications
Current
400 A
Phase
Three Phase
Manufacturer
ABB
Series
SACE Tmax XT
Model
XT5H 400 Ekip Dip LSI In=400 3p F F
Product ID
1SDA100489R1
Product type
Moulded case circuit breaker
Frame size
XT5
Rated uninterrupted current
400 A
Number of poles
3
Trip unit
Ekip Dip LSI electronic release
Breaking performance
H
Rated operating voltage
Up to 690 V AC
Rated insulation voltage
1000 V
Rated impulse withstand voltage
8 kV
Mounting type
Fixed
Terminal type
Front terminals
Protection rating
IP20
Standards
IEC 60947-2
Dimensions (H × W × D)
Approx. 205 × 140 × 103.5 mm
Weight
Approx. 4.8 kg
HS Code
85362090
Country of Manufacture
Italy
Frequently Asked Questions
What is the ABB 1SDA100489R1 used for?
The ABB 1SDA100489R1 protects industrial and commercial low-voltage electrical circuits against overloads and short circuits.
What is the rated current of this circuit breaker?
The breaker has a rated uninterrupted current of 400 A.
Which trip unit is fitted?
It is equipped with an Ekip Dip LSI electronic trip unit, providing adjustable overload and short-circuit protection.
How many poles does this circuit breaker have?
The ABB 1SDA100489R1 is supplied in a three-pole fixed configuration.
Where is this MCCB typically installed?
It is commonly installed in industrial switchboards, commercial distribution panels, motor control centres and OEM electrical equipment.
Trusted by Electrical Professionals Worldwide
ABB SACE Tmax XT moulded case circuit breakers are trusted worldwide for delivering dependable circuit protection, excellent interruption performance and long-term reliability in demanding industrial applications.
Current
400 A
Phase
Three Phase
Manufacturer
ABB
Series
SACE Tmax XT
Model
XT5H 400 Ekip Dip LSI In=400 3p F F
Product ID
1SDA100489R1
Product type
Moulded case circuit breaker
Frame size
XT5
Rated uninterrupted current
400 A
Number of poles
3
Trip unit
Ekip Dip LSI electronic release
Breaking performance
H
Rated operating voltage
Up to 690 V AC
Rated insulation voltage
1000 V
Rated impulse withstand voltage
8 kV
Mounting type
Fixed
Terminal type
Front terminals
Protection rating
IP20
Standards
IEC 60947-2
Dimensions (H × W × D)
Approx. 205 × 140 × 103.5 mm
Weight
Approx. 4.8 kg
HS Code
85362090
Country of Manufacture
Italy
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
What product ranges do you supply
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Can you help specify the correct part?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Do you have stock for urgent orders?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What are your delivery times and costs?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What about warranties, returns and faulty items?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...