ABB 1SDA068438R1 SACE Tmax XT4S 160 three-pole moulded case circuit breaker with 125 A magnetic MA release, front terminals and adjustable instantaneous protection from 625 to 1250 A.
£986.41
The ABB 1SDA068438R1 is a compact and reliable ABB SACE Tmax XT4S moulded case circuit breaker (MCCB) designed for dependable short-circuit protection in industrial and commercial low voltage electrical systems. As part of the proven ABB Tmax XT series, this breaker combines robust construction, magnetic protection and straightforward installation for professional panel building and power distribution applications.
Equipped with a 125 A magnetic MA release, the XT4S 160 provides instantaneous short-circuit protection for circuits where overload protection is provided separately or is not required by the application. Its fixed three-pole format with front terminals makes it suitable for switchboards, machinery panels and industrial control assemblies.
With an adjustable magnetic trip setting of 625 to 1250 A, the ABB 1SDA068438R1 is ideal for selected three-phase installations requiring compact, high-performance protection. Built to ABB's engineering standards, it offers reliable operation and long service life in demanding electrical environments.
Magnetic moulded case circuit breakers such as the ABB XT4S MA series are designed to disconnect circuits rapidly during short-circuit conditions. This helps protect cables, switchgear, control panels and connected equipment from damaging fault currents.
The ABB Tmax XT range is widely used by panel builders, machine builders and electrical contractors for compact, dependable protection in modern low voltage power distribution and control systems.
| Current | 125 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | SACE Tmax XT |
| Product ID | 1SDA068438R1 |
| Model | XT4S 160 MA 125 Im=625...1250 3P F F |
| Product type | Moulded Case Circuit Breaker (MCCB) |
| Rated current | 125 A |
| Frame rating | 160 A |
| Trip unit | Magnetic MA |
| Instantaneous trip setting | 625 to 1250 A |
| Number of poles | 3 |
| Rated operational voltage | Up to 690 V AC |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Frequency | 50 / 60 Hz |
| Connection type | Front terminals |
| Mounting type | Fixed |
| Standards | IEC 60947-2 |
| Dimensions (H × W × D) | Approx. 160 × 105 × 82.5 mm |
| Weight | Approx. 2.5 kg |
| HS Code | 85362090 |
| Country of Manufacture | Italy |
This MCCB is used to provide short-circuit protection in low voltage industrial and commercial electrical systems.
The ABB 1SDA068438R1 has a 125 A rated current.
This model uses a magnetic MA release, providing instantaneous short-circuit protection.
The ABB 1SDA068438R1 is a 3-pole moulded case circuit breaker.
The XT4S MA range is commonly installed in switchboards, control panels, OEM equipment and motor control systems where magnetic protection is required.
ABB SACE Tmax XT moulded case circuit breakers are trusted worldwide by panel builders, electrical contractors and industrial engineers for reliable protection, compact installation and dependable performance in demanding low voltage applications.
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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...