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ABB XT4S 250 3 pole Standard MCCB Adjustable Thermal-Magnetic Release In=250A Ii=2500A
ABB 1SDA068312R1 SACE Tmax XT4S three-pole moulded case circuit breaker with 250 A TMA thermomagnetic trip unit for industrial power distribution and electrical protection.
£750.25
Why Choose the ABB 1SDA068312R1 Tmax XT4S Moulded Case Circuit Breaker?
The ABB 1SDA068312R1 is a robust Tmax XT4S moulded case circuit breaker (MCCB) designed to protect low voltage electrical distribution systems against overloads and short circuits. As part of the proven ABB SACE Tmax XT series, it delivers dependable circuit protection for industrial, commercial and infrastructure applications.
This fixed three-pole circuit breaker features a TMA thermomagnetic trip unit, providing reliable thermal overload protection and adjustable instantaneous magnetic short circuit protection. Its front terminal design supports straightforward installation in switchboards, distribution boards and industrial control panels.
With a 250 A rated current, 690 V AC operating voltage and 50 kA breaking capacity at 415 V AC, the ABB 1SDA068312R1 is ideal for demanding power distribution applications requiring compact design, reliable performance and high fault protection capability.
Key Advantages
- High quality ABB Tmax XT4S moulded case circuit breaker.
- 250 A rated current for industrial power distribution.
- Three-pole fixed MCCB with front terminals.
- TMA thermomagnetic release for overload and short circuit protection.
- Adjustable magnetic trip range from 1250 to 2500 A.
- 50 kA breaking capacity at 415 V AC.
- Compact XT4 frame for efficient switchboard design.
- Manufactured in accordance with IEC 60947-2.
Key Features
- ABB SACE Tmax XT4S series.
- Product code: 1SDA068312R1.
- Rated current: 250 A.
- 250 A frame size.
- Three-pole fixed configuration.
- TMA thermomagnetic trip unit.
- Magnetic trip setting: 1250 to 2500 A.
- Operating voltage: up to 690 V AC.
- Front terminal connections.
- IP20 protection rating.
Reliable Protection for Industrial Power Distribution
Moulded case circuit breakers such as the ABB Tmax XT4S are designed to disconnect electrical circuits during overload or short circuit fault conditions. This helps protect cables, equipment and downstream circuits while supporting safe and reliable operation across low voltage installations.
The ABB 1SDA068312R1 combines compact construction, high short circuit performance and adjustable thermomagnetic protection, making it suitable for modern switchboards, machinery panels and demanding distribution applications.
Typical Applications
- Main and sub-distribution boards.
- Industrial switchboards.
- Commercial electrical panels.
- Manufacturing facilities.
- Feeder and machinery protection.
- OEM control panels.
- Infrastructure and utilities.
- Low voltage power distribution systems.
Technical Specifications
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| Mounting Type | Fixed | |
|---|---|---|
| Application | Power distribution | |
| Current | 250 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 50 kA | |
| Trip Unit | Thermal-magnetic | |
| Manufacturer | ABB | |
| Series | SACE Tmax XT | |
| Model | XT4S 250 TMA 250-2500 3P F F | |
| Product code | 1SDA068312R1 | |
| EAN | 8015644022181 | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Number of poles | 3 | |
| Frame size | XT4 | |
| Rated current (In) | 250 A | |
| Rated uninterrupted current (Iu) | 250 A | |
| Trip unit | TMA thermomagnetic | |
| Instantaneous trip setting (I3) | 1250 to 2500 A | |
| 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 | |
| Breaking capacity (Icu) | 50 kA at 415 V AC | |
| Protection rating | IP20 | |
| Terminal type | Front terminals | |
| Mounting | Fixed | |
| Dimensions (H × W × D) | approx. 160 × 105 × 82.5 mm | |
| Weight | approx. 2.5 kg | |
| HS Code | 85362090 | |
| Country of Manufacture | Italy |
Frequently Asked Questions
What is the ABB 1SDA068312R1 used for?
It is used to protect low voltage electrical distribution systems against overloads and short circuits in industrial, commercial and infrastructure applications.
What is the rated current of this MCCB?
The ABB 1SDA068312R1 has a 250 A rated current within an XT4 frame.
What type of trip unit does this breaker use?
This model uses a TMA thermomagnetic trip unit with adjustable magnetic short circuit protection.
How many poles does the ABB 1SDA068312R1 have?
It is a three-pole fixed moulded case circuit breaker with front terminals.
Where is this breaker typically installed?
It is typically installed in switchboards, distribution panels, industrial control panels, OEM equipment and machinery protection systems.
Trusted by Electrical Professionals Worldwide
ABB SACE Tmax XT circuit breakers are trusted by panel builders, electrical engineers and industrial maintenance teams worldwide for dependable protection, compact installation and long term operational performance.
