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ABB 1SDA054130R1 Tmax T4S 320 A four-pole moulded case circuit breaker with PR221DS-I electronic trip unit, fixed mounting and front terminals for industrial low-voltage distribution protection.
£2,270.18
The ABB 1SDA054130R1 is a robust Tmax T4S moulded case circuit breaker (MCCB) designed for reliable protection of industrial and commercial low-voltage electrical distribution systems. With a 320 A rated current, 4-pole configuration and PR221DS-I electronic trip unit, it provides dependable short-circuit protection for demanding power distribution applications.
As part of the established ABB SACE Tmax T series, this fixed MCCB is engineered for high breaking performance, long service life and straightforward panel integration. Its front terminal connection design supports efficient installation inside switchboards, control panels and electrical distribution assemblies.
With a rated operational voltage of up to 690 V AC and a compact Tmax T4 frame, the 1SDA054130R1 is suitable for three-phase installations requiring reliable circuit protection and safe isolation. The solid-state release improves protection accuracy compared with traditional thermal-magnetic designs, helping support dependable operation in modern industrial environments.
Moulded case circuit breakers such as the ABB Tmax T4S are used to protect electrical systems from damaging fault currents. By detecting abnormal current conditions and interrupting the circuit, the breaker helps safeguard cables, switchgear and connected equipment.
The ABB 1SDA054130R1 is particularly suited to industrial switchboards and distribution panels where robust protection, compact installation and high breaking capacity are required. Its electronic release supports accurate protection performance, making it a dependable choice for panel builders and electrical engineers.
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| Current | 320 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 85 kA | |
| Trip Unit | Electronic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T4S 320 PR221DS-I In=320 4p F F | |
| Product ID | 1SDA054130R1 | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Rated current | 320 A | |
| Rated uninterrupted current (Iu) | 320 A | |
| Number of poles | 4P | |
| Release type | Electronic | |
| Trip unit | PR221DS-I | |
| Rated operational voltage | 690 V AC | |
| Rated insulation voltage (Ui) | 1000 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Rated ultimate short-circuit breaking capacity | Up to 85 kA | |
| Terminal connection | Front terminals | |
| Mounting type | Fixed | |
| Standards | IEC | |
| Dimensions (H × W × D) | approx. 205 × 140 × 103.5 mm | |
| Weight | approx. 3.05 kg |
The ABB 1SDA054130R1 is used to protect low-voltage electrical distribution systems against short-circuit faults in industrial and commercial installations.
This moulded case circuit breaker has a 320 A rated current.
The breaker has a 4-pole configuration, making it suitable for applications where neutral switching or protection is required.
The ABB 1SDA054130R1 is fitted with a PR221DS-I electronic trip unit.
It is typically installed in switchboards, distribution panels, motor control centres and industrial electrical assemblies.
ABB Tmax moulded case circuit breakers are widely trusted by panel builders, electrical contractors and industrial engineers for dependable protection, high breaking performance and long-term reliability in low-voltage power distribution systems.
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