Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
1sda054553r1 t5s 400 pr222mp in=320 3 pole abb mccb
ABB 1SDA054553R1 SACE Tmax T5S moulded case circuit breaker with 320 A electronic release, 400 A frame, three-pole configuration and fixed front terminals for industrial power distribution.
£2,458.23
Why Choose the ABB 1SDA054553R1 Tmax T5S Moulded Case Circuit Breaker?
The ABB 1SDA054553R1 is a high-performance SACE Tmax T5S moulded case circuit breaker (MCCB) designed for reliable protection of industrial power distribution systems, switchboards, machinery and commercial electrical installations. As part of the proven ABB Tmax T series, it combines compact construction with advanced solid-state protection for demanding low voltage applications.
This model features a 400 A frame, 320 A rated current, three-pole configuration and an Ekip M-LRIU electronic release, providing accurate protection for industrial electrical systems. The solid-state release helps improve protection precision, fault response and coordination compared with conventional protection devices.
Designed for operation on systems up to 690 V AC, the ABB 1SDA054553R1 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
- 320 A moulded case circuit breaker within a 400 A frame.
- Three-pole fixed design suitable for three-phase electrical systems.
- Ekip M-LRIU solid-state release for precise circuit protection.
- Reliable protection for industrial power distribution systems.
- 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: 1SDA054553R1.
- Rated frame current: 400 A.
- Rated current: 320 A.
- Three-pole (3P) configuration.
- Ekip M-LRIU electronic release.
- Fixed mounting with front terminals.
- Rated operational voltage: up to 690 V AC.
Advanced Protection for Industrial Power Distribution
The ABB Tmax T5S range is designed to protect low voltage electrical systems from damaging overloads, short circuits and abnormal fault conditions. Electronic protection provides accurate trip performance and supports improved coordination within industrial power distribution networks.
With its fixed three-pole design, front terminal layout and Ekip M-LRIU electronic release, the ABB 1SDA054553R1 is well suited to switchboards, machine control panels and commercial distribution systems requiring dependable protection and straightforward installation.
Typical Applications
- Industrial power distribution panels.
- Main and sub-distribution switchboards.
- Three-phase 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 | 320 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 50 kA | |
| Trip Unit | Electronic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T5S 400 Ekip M-LRIU In=320 3P F F | |
| Product code | 1SDA054553R1 | |
| EAN | 8015644556549 | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Rated frame current | 400 A | |
| Rated current (In) | 320 A | |
| Rated uninterrupted current (Iu) | 400 A | |
| Number of poles | 3 | |
| Release | Ekip M-LRIU | |
| Release type | Electronic / solid-state | |
| Rated operational voltage | 690 V AC | |
| 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 | |
| Rated short-time withstand current (Icw) | 5 kA for 1 second | |
| Electrical durability | 7000 cycles | |
| Mechanical durability | 20000 cycles | |
| Mounting | Fixed | |
| Terminal type | Front terminals | |
| Standards | IEC | |
| Dimensions (H × W × D) | 205 × 140 × 103.5 mm | |
| Weight | approx. 5.1 kg |
Frequently Asked Questions
What is the ABB 1SDA054553R1 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 1SDA054553R1 has a 320 A rated current within a 400 A frame.
Which trip unit is fitted?
This model uses an Ekip M-LRIU electronic release for accurate solid-state circuit protection.
How many poles does this MCCB have?
The ABB 1SDA054553R1 is supplied as a three-pole (3P) circuit breaker for three-phase 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.
