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ABB 1SDA054536R1 T5L 400 three-pole moulded case circuit breaker with a 400 A PR221DS-I electronic trip unit, instantaneous short-circuit protection and a rated operational voltage of 1000 V AC.
£4,072.54
The ABB T5L 400 PR221DS-I In=400 3P, order code 1SDA054536R1, is a high-performance moulded case circuit breaker (MCCB) designed for protection and isolation in demanding industrial AC electrical distribution systems. As part of the ABB SACE Tmax T5 series, this fixed three-pole circuit breaker combines a 400 A frame with an electronic PR221DS-I trip unit for dependable short-circuit protection.
The integrated PR221DS-I electronic trip unit provides instantaneous short-circuit protection for electrical circuits and connected equipment. With a rated uninterrupted current of 400 A, the breaker is suitable for high-current industrial applications where reliable fault interruption and robust switching performance are required.
Designed specifically for demanding 1000 V AC systems, the T5L 400 offers an ultimate short-circuit breaking capacity of 12 kA at 1000 V AC. Its fixed three-pole construction and front terminals for copper cables allow straightforward integration into industrial switchboards, distribution panels and specialist high-voltage AC assemblies.
Moulded case circuit breakers such as the ABB T5L 400 provide switching and protection against damaging fault currents in industrial electrical distribution systems. The PR221DS-I electronic trip unit provides instantaneous short-circuit protection, enabling rapid interruption of high fault currents to help protect conductors, switchgear and connected equipment.
The Tmax T5 platform is designed for industrial electrical distribution applications requiring robust switching performance and dependable circuit protection. With its 400 A current rating, 1000 V AC operational capability and fixed three-pole construction, the 1SDA054536R1 is particularly suited to specialist high-voltage AC distribution systems and industrial switchboards.
| Series | SACE Tmax T5 |
|---|---|
| ABB product group | 310511-T-Max T4 - T8 |
| Order code | 1SDA054536R1 |
| Product type | Moulded case circuit breaker (MCCB) |
| Frame | T5L 400 |
| Rated current | 400 A |
| Rated uninterrupted current (Iu) | 400 A |
| Trip unit | PR221DS-I electronic |
| Protection function | Instantaneous short-circuit protection |
| Number of poles | 3 |
| Rated operational voltage | 1000 V AC |
| Rated insulation voltage (Ui) | 1150 V |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Ultimate breaking capacity (Icu) at 1000 V AC | 12 kA |
| Service breaking capacity (Ics) at 1000 V AC | 10 kA |
| Short-time withstand current (Icw) | 5 kA for 1 s |
| Construction | Fixed built-in device |
| Main circuit connection | Front terminals for copper cables |
| Standards | IEC |
| Power loss | 16.5 W per pole at rated operating conditions |
| Mechanical durability | 20,000 cycles |
| Electrical durability | 7,000 cycles |
| Dimensions (H × W × D) | 205 × 140 × 103.5 mm |
| Weight | 5.1 kg |
The ABB 1SDA054536R1 is a three-pole moulded case circuit breaker designed for switching and instantaneous short-circuit protection in demanding industrial AC electrical distribution systems.
The circuit breaker has a rated uninterrupted current of 400 A.
The PR221DS-I electronic trip unit provides instantaneous short-circuit protection, helping rapidly disconnect the circuit when a high fault current is detected.
The breaker has an ultimate short-circuit breaking capacity of 12 kA at 1000 V AC and a service breaking capacity of 10 kA at 1000 V AC.
The 1SDA054536R1 is designed for a rated operational voltage of 1000 V AC, with a rated insulation voltage of 1150 V.
ABB SACE Tmax moulded case circuit breakers provide dependable switching and circuit protection for demanding industrial electrical distribution systems, combining robust construction with electronic protection technology for high-current AC applications.
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