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ABB XT5N 400 4 pole Normal MCCB Adjustable Thermal-Magnetic Release In=400A Ii=4000A
ABB 1SDA100385R1 SACE Tmax XT5N moulded case circuit breaker with 400 A rated current, four poles and thermomagnetic trip unit for industrial and commercial electrical distribution systems.
£1,191.07
Why Choose the ABB 1SDA100385R1 Moulded Case Circuit Breaker?
The ABB 1SDA100385R1 is a robust SACE Tmax XT5N moulded case circuit breaker (MCCB) designed to deliver dependable protection for low-voltage electrical distribution systems. Engineered for industrial and commercial installations, it provides reliable protection against overloads and short circuits while maintaining the continuity and safety of critical electrical infrastructure.
Part of the proven ABB SACE Tmax XT range, this fixed circuit breaker combines a compact design with advanced thermomagnetic protection, making it an excellent choice for panel builders, OEMs and electrical contractors. The front terminal configuration simplifies installation whilst the fully rated neutral enhances system flexibility for a wide range of applications.
With a 400 A rated current, 4-pole configuration and a 36 kA breaking capacity at 415 V AC, the ABB 1SDA100385R1 is ideal for protecting switchboards, power distribution systems, industrial machinery and commercial electrical installations requiring reliable overcurrent protection.
Key Advantages
- High-performance moulded case circuit breaker for industrial and commercial electrical protection.
- 400 A rated current suitable for medium and high-capacity distribution systems.
- 4-pole design provides protection for all phases and the neutral conductor.
- Reliable thermomagnetic (TMA) trip unit protects against overloads and short circuits.
- Fixed front terminal arrangement enables straightforward panel installation.
- Compact ABB XT5 frame reduces switchboard space requirements.
Key Features
- ABB SACE Tmax XT5N series.
- 400 A rated current.
- 36 kA breaking capacity at 415 V AC.
- 4-pole fixed construction.
- Thermomagnetic TMA protection unit.
- Adjustable magnetic short-circuit setting.
- Fully rated neutral (100% In).
- Front terminal connections for simple installation.
Reliable Protection for Low Voltage Power Distribution
The ABB XT5N moulded case circuit breaker provides dependable protection by automatically disconnecting electrical circuits during overload or short-circuit conditions. Its thermomagnetic release combines thermal protection for sustained overloads with rapid magnetic tripping during fault conditions, helping protect equipment and minimise downtime.
The SACE Tmax XT series is widely used throughout industrial, commercial and infrastructure projects where high reliability, compact dimensions and compliance with international electrical standards are essential.
Typical Applications
- Industrial switchboards.
- Commercial electrical distribution panels.
- Motor control centres.
- Manufacturing plants.
- OEM machinery.
- Infrastructure and utility installations.
Technical Specifications
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| Mounting Type | Fixed | |
|---|---|---|
| Application | Power distribution | |
| Current | 400 A | |
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 36 kA | |
| Trip Unit | Thermal-magnetic | |
| Manufacturer | ABB | |
| Series | SACE Tmax XT | |
| Model | XT5N 400 | |
| Product code | 1SDA100385R1 | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Rated current | 400 A | |
| Trip unit | Thermomagnetic (TMA) | |
| Thermal adjustment | 280 to 400 A | |
| Magnetic adjustment | 2000 to 4000 A | |
| Breaking capacity (Icu) | 36 kA at 415 V AC | |
| Rated operational voltage | Up to 690 V AC / 750 V DC | |
| Number of poles | 4 | |
| Frame size | XT5 | |
| Neutral rating | 100% In | |
| Mounting | Fixed | |
| Connection type | Front terminals | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | approx. 205 × 186 × 104 mm | |
| Weight | approx. 5.6 kg | |
| HS Code | 85362090 | |
| Country of Manufacture | Italy |
Frequently Asked Questions
What is the ABB 1SDA100385R1 used for?
This moulded case circuit breaker protects low-voltage electrical circuits against overloads and short circuits in industrial and commercial power distribution systems.
What is the rated current of this MCCB?
The ABB 1SDA100385R1 has a 400 A rated current.
What type of protection unit is fitted?
The breaker features a thermomagnetic (TMA) trip unit with adjustable thermal and magnetic protection settings.
How many poles does the circuit breaker have?
This model has a 4-pole configuration with a fully rated neutral conductor.
Where is this MCCB commonly installed?
It is typically installed in switchboards, distribution panels, motor control centres and industrial electrical systems requiring dependable circuit protection.
Trusted by Electrical Professionals Worldwide
ABB SACE Tmax XT moulded case circuit breakers are trusted by electrical engineers, OEMs and panel builders worldwide for delivering dependable protection, high performance and long-term reliability in demanding power distribution applications.
