Why Choose the ABB 1SDA068392R1 Tmax XT4L 250 MCCB?
The ABB 1SDA068392R1 is a high-performance Tmax XT4L moulded case circuit breaker (MCCB) designed to provide dependable protection for low voltage electrical distribution systems. Part of the trusted ABB SACE Tmax XT range, this breaker is suitable for industrial, commercial and infrastructure applications where reliable overload and short circuit protection is essential.
This model features a fixed four-pole configuration with front terminals and a TMA thermal magnetic release. The adjustable thermal protection allows the breaker to be matched to the connected load, while the adjustable instantaneous magnetic trip provides fast short circuit protection to help safeguard cables, switchgear and connected equipment.
With a rated current of 250 A, 690 V AC rated operational voltage, a 50% rated neutral pole and 120 kA breaking capacity at 415 V AC, the XT4L 250 is ideal for demanding electrical installations that require robust circuit protection and proven ABB reliability.
Key Advantages
- High-performance ABB SACE Tmax XT4L moulded case circuit breaker.
- 250 A rated current for industrial power distribution.
- 120 kA breaking capacity at 415 V AC for demanding fault levels.
- Dependable TMA thermal magnetic trip unit.
- 50% neutral pole rating for suitable four-pole distribution systems.
- Fixed four-pole version with front terminal connections.
Key Features
- ABB SACE Tmax XT4L series.
- Product ID: 1SDA068392R1.
- Model: XT4L 250 TMA 250-2500 4p F F InN=50%.
- 250 A rated current.
- TMA thermal magnetic release.
- Adjustable thermal setting for load protection.
- Instantaneous magnetic trip setting range 1250 to 2500 A.
- Four-pole fixed breaker.
- Front terminal connection.
- Neutral pole rated at 50% of phase current.
Reliable Protection for Electrical Distribution Systems
Moulded case circuit breakers such as the ABB Tmax XT4L provide essential protection against overloads and short circuits in low voltage electrical systems. By interrupting high fault currents quickly and reliably, they help reduce equipment damage, improve system safety and support continuity of operation.
The XT4L series is designed for use in modern switchboards, electrical distribution panels and industrial control systems. Its compact construction, high breaking capacity and proven thermal magnetic protection make it a strong choice for panel builders, electrical contractors and maintenance teams.
Typical Applications
- Industrial power distribution panels.
- Low voltage switchboards and panel boards.
- Motor control centres.
- Commercial electrical installations.
- OEM machinery and control systems.
- Infrastructure, utilities and building services.
