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1sda054440r1 t5s 400 tma 320-3200 3 pole abb mccb
ABB 1SDA054440R1 SACE Tmax T5S moulded case circuit breaker with 320 A thermomagnetic release, 400 A frame, three-pole configuration and fixed front terminals for industrial power distribution.
£1,844.67
Why Choose the ABB 1SDA054440R1 Tmax T5S Moulded Case Circuit Breaker?
The ABB 1SDA054440R1 is a dependable SACE Tmax T5S moulded case circuit breaker (MCCB) engineered to provide reliable protection for industrial power distribution systems, switchboards and electrical installations. As part of the proven ABB Tmax T series, it combines a compact fixed-frame design with robust thermomagnetic protection for demanding industrial applications.
This model features a 400 A oversized frame with a 320 A thermomagnetic release, three-pole configuration and a TMA adjustable thermomagnetic trip unit. The adjustable instantaneous trip setting provides dependable protection against overloads and short circuits while simplifying coordination with downstream devices.
Designed for operation on systems up to 690 V AC, the ABB 1SDA054440R1 offers excellent breaking performance for industrial machinery, OEM equipment, commercial buildings and power distribution networks where safety and operational reliability are essential.
Key Advantages
- 320 A thermomagnetic MCCB within a 400 A frame.
- Three-pole fixed design for industrial power distribution.
- TMA adjustable thermomagnetic release for dependable protection.
- High short-circuit breaking capacity for demanding installations.
- 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: 1SDA054440R1.
- Rated frame current: 400 A.
- Rated current (In): 320 A.
- Three-pole (3P) configuration.
- TMA thermomagnetic release.
- 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 safeguard low voltage electrical systems against overloads and short circuits while maintaining reliable power distribution. Thermomagnetic protection combines thermal overload sensing with rapid magnetic fault interruption for dependable circuit protection.
Its compact design and proven ABB construction make the 1SDA054440R1 suitable for industrial switchboards, OEM machinery, infrastructure projects and commercial installations requiring robust electrical protection.
Typical Applications
- Industrial power distribution panels.
- Main and sub-distribution switchboards.
- OEM machinery and automation equipment.
- Motor control centres.
- Commercial buildings.
- Infrastructure and utilities.
- Generator and transformer protection.
Technical Specifications
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| Current | 320 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 50 kA | |
| Trip Unit | Thermal-magnetic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T5S 400 TMA 320-3200 3P F F | |
| Product code | 1SDA054440R1 | |
| EAN | 8015644555443 | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Rated frame current | 400 A | |
| Rated current (In) | 320 A | |
| Number of poles | 3 | |
| Release type | Thermomagnetic (TMA) | |
| 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 × 140 × 103.5 mm | |
| Weight | approx. 4.51 kg |
Frequently Asked Questions
What is the ABB 1SDA054440R1 used for?
It is a moulded case circuit breaker designed to protect industrial electrical systems against overloads and short circuits.
What is the rated current of this breaker?
The breaker has a 320 A rated current within a 400 A frame.
Which trip unit is fitted?
This model uses a TMA thermomagnetic release with an adjustable instantaneous trip setting.
How many poles does this MCCB have?
The ABB 1SDA054440R1 is supplied as a three-pole (3P) circuit breaker.
Where is this circuit breaker typically installed?
It is commonly installed in industrial switchboards, electrical distribution panels, 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 circuit protection, long service life and reliable operation.
