Why Choose the ABB 1SDA068325R1 Tmax XT4S Moulded Case Circuit Breaker?
The ABB 1SDA068325R1 is a premium Tmax XT4S moulded case circuit breaker (MCCB) engineered to deliver dependable overload and short circuit protection for low voltage electrical distribution systems. As part of the trusted ABB SACE Tmax XT series, it is designed for industrial, commercial and infrastructure applications where reliability and compact installation are essential.
This fixed four-pole MCCB features a TMA thermomagnetic trip unit with adjustable thermal overload protection and adjustable instantaneous magnetic protection. The neutral pole is rated at 50% of the phase current, making it suitable for installations where reduced neutral loading is expected.
With a 225 A rated current, 250 A frame size, 690 V AC operating voltage and a 50 kA breaking capacity at 415 V AC, the ABB 1SDA068325R1 provides robust protection for feeders, switchboards, OEM machinery and industrial power distribution systems.
Key Advantages
- High quality ABB Tmax XT4S moulded case circuit breaker.
- 225 A rated current for industrial power distribution.
- Four-pole fixed MCCB with 50% rated neutral.
- TMA thermomagnetic release for overload and short circuit protection.
- Adjustable instantaneous trip setting from 1125 to 2250 A.
- 50 kA breaking capacity at 415 V AC.
- Compact XT4 frame simplifies switchboard installation.
- Manufactured in accordance with IEC 60947-2.
Key Features
- ABB SACE Tmax XT4S series.
- Product code: 1SDA068325R1.
- Rated current: 225 A.
- 250 A frame size.
- Four-pole fixed configuration.
- Neutral pole rated at 50% of phase current.
- TMA thermomagnetic trip unit.
- Thermal setting range: 157.5 to 225 A.
- Instantaneous trip setting: 1125 to 2250 A.
- Front terminal connections.
Reliable Protection for Industrial Power Distribution
The ABB Tmax XT4S range is designed to disconnect electrical circuits safely during overload and short circuit fault conditions, helping protect cables, switchgear and connected equipment while maintaining reliable operation across low voltage electrical systems.
The ABB 1SDA068325R1 combines compact dimensions, strong interrupting performance and adjustable thermomagnetic protection with a reduced neutral rating, making it suitable for modern switchboards, OEM machinery and demanding electrical installations.
Typical Applications
- Main and sub-distribution boards.
- Industrial switchboards.
- Commercial electrical installations.
- Four-pole distribution circuits.
- Motor feeder protection.
- OEM machinery and control panels.
- Infrastructure projects.
- Low voltage electrical systems.
