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1sda054443r1 t5s 400 tma 400-4000 4 pole abb mccb
ABB 1SDA054443R1 SACE Tmax T5S moulded case circuit breaker with 400 A thermomagnetic release, four-pole configuration and fixed front terminals for industrial power distribution.
£2,450.02
Why Choose the ABB 1SDA054443R1 Tmax T5S Moulded Case Circuit Breaker?
The ABB 1SDA054443R1 is a robust SACE Tmax T5S moulded case circuit breaker (MCCB) designed for dependable protection of industrial power distribution systems, switchboards, machinery and commercial electrical installations. As part of the proven ABB Tmax T series, it combines reliable thermomagnetic protection with a compact fixed four-pole design for demanding low voltage applications.
This model features a 400 A rated current, four-pole configuration and a TMA adjustable thermomagnetic release, providing effective protection against overloads and short circuits. The adjustable magnetic trip setting supports coordination with downstream devices while maintaining reliable fault interruption.
Designed for operation on systems up to 690 V AC, the ABB 1SDA054443R1 offers strong breaking performance for industrial distribution boards, OEM equipment, control panels and infrastructure applications where safety, reliability and continuity of service are essential.
Key Advantages
- 400 A moulded case circuit breaker for industrial power distribution.
- Four-pole fixed design suitable for three-phase and neutral systems.
- TMA adjustable thermomagnetic release for dependable circuit protection.
- Adjustable magnetic trip range supports circuit coordination.
- Front terminal connections simplify switchboard installation.
- Compact ABB Tmax T5 frame supports efficient panel layouts.
- Designed to IEC standards for reliable long-term operation.
Key Features
- ABB SACE Tmax T5S series.
- Product code: 1SDA054443R1.
- Rated current: 400 A.
- Four-pole (4P) configuration.
- TMA thermomagnetic release.
- Magnetic trip setting: 2000–4000 A.
- Fixed mounting with front terminals.
- Rated operational voltage: up to 690 V AC.
Reliable Protection for Industrial Power Distribution
The ABB Tmax T5S range is designed to protect low voltage electrical systems from damaging overloads and short circuits. Thermomagnetic protection combines thermal overload sensing with rapid magnetic fault interruption, helping safeguard cables, equipment and connected loads.
With its fixed four-pole design and front terminal layout, the ABB 1SDA054443R1 is well suited to three-phase and neutral distribution systems, industrial switchboards, machine control panels and commercial distribution systems requiring robust protection and straightforward installation.
Typical Applications
- Industrial power distribution panels.
- Main and sub-distribution switchboards.
- Three-phase and neutral electrical systems.
- OEM machinery and automation equipment.
- Motor control centres.
- Commercial buildings and infrastructure projects.
- Generator, transformer and low voltage feeder protection.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 400 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 50 kA | |
| Trip Unit | Thermal-magnetic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T5S 400 TMA 400-4000 4P F F | |
| Product code | 1SDA054443R1 | |
| EAN | 8015644555474 | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Rated current (In) | 400 A | |
| Rated uninterrupted current (Iu) | 400 A | |
| Number of poles | 4 | |
| Release type | Thermomagnetic (TMA) | |
| Magnetic trip range | 2000–4000 A | |
| Rated operational voltage | 690 V AC / 750 V DC | |
| Rated insulation voltage (Ui) | 1000 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Rated ultimate breaking capacity (Icu) | 50 kA at 415 V AC | |
| Rated service breaking capacity (Ics) | 50 kA at 415 V AC | |
| Short-circuit performance level | S | |
| Mounting | Fixed | |
| Terminal type | Front terminals | |
| Standards | IEC | |
| Dimensions (H × W × D) | 205 × 186 × 103.5 mm | |
| Weight | approx. 5.8 kg |
Frequently Asked Questions
What is the ABB 1SDA054443R1 used for?
It is a moulded case circuit breaker used to protect industrial and commercial electrical systems against overloads and short circuits.
What is the rated current of this breaker?
The ABB 1SDA054443R1 has a 400 A rated current.
Which trip unit is fitted?
This model uses a TMA adjustable thermomagnetic release with a magnetic trip range of 2000–4000 A.
How many poles does this MCCB have?
The ABB 1SDA054443R1 is supplied as a four-pole (4P) circuit breaker for three-phase and neutral systems.
Where is this circuit breaker typically installed?
It is commonly installed in industrial switchboards, electrical distribution panels, motor control centres, OEM machinery and commercial power distribution systems.
Trusted by Electrical Professionals Worldwide
ABB SACE Tmax moulded case circuit breakers are trusted by panel builders, electrical contractors and industrial engineers worldwide for dependable protection, long service life and reliable operation in demanding power distribution applications.
