ABB 1SDA054002R1 SACE Tmax T4N 250 moulded case circuit breaker with PR221DS-I solid-state electronic release, 250 A rated current and fixed three-pole front terminal configuration for low voltage electrical distribution.
The ABB 1SDA054002R1 is a high quality Tmax T4N moulded case circuit breaker (MCCB) designed for reliable low voltage electrical protection in industrial and commercial distribution systems. As part of the proven ABB SACE Tmax T series, this circuit breaker provides dependable protection for switchboards, distribution panels, machinery and OEM electrical equipment.
This model features a PR221DS-I solid-state electronic release, providing accurate short circuit protection for AC installations. Its fixed three-pole construction and front terminal configuration make it suitable for panel builders and electrical engineers requiring robust, space-efficient circuit protection.
With a 250 A rated current, T4N 250 frame size and 36 kA breaking capacity at 415 V AC, the ABB 1SDA054002R1 is ideal for demanding feeder protection, sub-distribution and industrial power applications where reliable ABB low voltage protection is required.
Moulded case circuit breakers such as the ABB Tmax T4N series are designed to interrupt fault currents quickly and reliably, helping protect cables, switchgear, machinery and connected electrical equipment from damaging short circuit conditions.
The PR221DS-I electronic release provides dependable solid-state protection for AC installations, making the ABB 1SDA054002R1 a practical choice for panel builders and electrical engineers requiring accurate protection in compact, fixed panel-mounted assemblies.
| Current | 250 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | SACE Tmax T |
| Model | T4N 250 PR221DS-I |
| SKU | 1SDA054002R1 |
| EAN | 8015644550684 |
| Product type | Moulded Case Circuit Breaker (MCCB) |
| Rated current (In) | 250 A |
| Rated uninterrupted current (Iu) | 250 A |
| Frame size | T4N 250 |
| Trip unit | PR221DS-I electronic release |
| Release type | Solid-state release in AC |
| Number of poles | 3 |
| Mounting type | Fixed |
| Terminal type | Front terminals |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Rated operational voltage | 690 V AC / 750 V DC |
| Rated service breaking capacity (Ics) | 36 kA at 415 V AC |
| Rated ultimate breaking capacity (Icu) | 36 kA at 415 V AC |
| Standard | IEC 60947 |
| Dimensions (W × H × D) | approx. 105 × 205 × 103.5 mm |
| Weight | approx. 3.5 kg |
It is used to protect low voltage electrical circuits against fault currents in industrial and commercial power distribution systems.
The ABB 1SDA054002R1 has a 250 A rated current.
This model is a three-pole fixed moulded case circuit breaker.
The breaker is fitted with a PR221DS-I solid-state electronic release for AC circuit protection.
The ABB 1SDA054002R1 has a rated breaking capacity of 36 kA at 415 V AC.
ABB SACE Tmax moulded case circuit breakers are widely used by panel builders, electrical contractors and industrial engineers for reliable low voltage protection, robust construction and dependable performance in demanding electrical distribution applications.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...