ABB 1SDA053997R1 SACE Tmax T4N 250 moulded case circuit breaker with PR221DS-LS/I electronic release, 100 A rated current, three-pole fixed configuration and front terminals for low voltage power distribution.
The ABB 1SDA053997R1 is a reliable SACE Tmax T4N moulded case circuit breaker (MCCB) designed for overload and short-circuit protection in low voltage electrical distribution systems. As part of ABB’s trusted Tmax T circuit breaker range, this fixed three-pole breaker provides dependable electronic protection for industrial, commercial and panel building applications.
This MCCB is fitted with a PR221DS-LS/I solid-state electronic release, offering long-time, short-time and instantaneous protection functions for improved selectivity and circuit coordination. Its fixed design with front terminals supports straightforward installation in switchboards, distribution boards, control panels and low voltage power assemblies.
With a rated current of 100 A, a 690 V AC rated operational voltage and an ABB Tmax T4N frame, the ABB 1SDA053997R1 is well suited to installations requiring compact, robust and accurate circuit protection.
Moulded case circuit breakers such as the ABB 1SDA053997R1 are used to disconnect electrical circuits during overload or fault conditions, helping protect cables, switchgear, machinery and downstream equipment from damage. The T4N frame provides dependable fault interruption performance in a compact breaker format.
The PR221DS-LS/I electronic release supports long-time, short-time and instantaneous protection, helping engineers improve selectivity and coordination across low voltage distribution systems. This makes the breaker suitable for installations where protection accuracy, compact panel design and reliable operation are essential.
| Current | 100 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | SACE Tmax T |
| Model | T4N 250 PR221DS-LS/I In=100 3p F F |
| SKU | 1SDA053997R1 |
| EAN | 8015644550639 |
| Product type | Moulded case circuit breaker |
| Frame size | T4 |
| Sub-type | T4N |
| Rated current | 100 A |
| Rated uninterrupted current | 250 A |
| Number of poles | 3 |
| Trip unit | PR221DS-LS/I |
| Release type | Electronic / solid-state |
| Rated operational voltage | 690 V AC / 750 V DC |
| Rated insulation voltage | 1000 V |
| Rated impulse withstand voltage | 8 kV |
| Rated frequency | 50 / 60 Hz |
| Breaking capacity | 36 kA at 415 V AC |
| Terminal type | Front terminals |
| Mounting version | Fixed |
| Standard | IEC 60947 |
| Dimensions (H × W × D) | 205 × 105 × 103.5 mm |
| Weight | approx. 3.5 kg |
The ABB 1SDA053997R1 is used to protect low voltage electrical circuits against overloads and short circuits in industrial and commercial power distribution systems.
This ABB Tmax T4N MCCB has a rated current of 100 A.
The ABB 1SDA053997R1 is a three-pole fixed moulded case circuit breaker.
This breaker is fitted with a PR221DS-LS/I electronic trip unit, providing long-time, short-time and instantaneous protection functions.
It is typically installed in low voltage switchboards, distribution panels, electrical control panels and industrial power assemblies.
ABB SACE Tmax moulded case circuit breakers are trusted by panel builders, electrical engineers and industrial maintenance teams for reliable protection, compact installation and dependable low voltage power distribution performance.
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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...