1SDA054433R1 ABB T5V630 PR221DS-I 630 A 4-Pole MCCB

1SDA054433R1 ABB T5V630 PR221DS-I 630 A 4-Pole MCCB

ABB 1SDA054433R1 SACE Tmax T5V630 fixed four-pole 630 A moulded case circuit breaker with PR221DS-I electronic instantaneous protection, selectable neutral protection and 200 kA ultimate breaking capacity at 380–415 V AC.

SKU: 1SDA054433R1MPN: 1SDA054433R1
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Why Choose the ABB T5V630 PR221DS-I 630 A 1SDA054433R1 Circuit Breaker?

The ABB 1SDA054433R1 is a high-performance SACE Tmax T5V 630 moulded case circuit breaker (MCCB) designed for short-circuit protection and isolation in demanding low-voltage electrical systems. Configured as a fixed four-pole breaker with front terminals, it combines a 630 A rated current with ABB's PR221DS-I electronic trip unit.

Unlike LS/I or LSI releases, the PR221DS-I version is configured specifically with adjustable instantaneous magnetic protection. Its magnetic threshold can be set from 1–10 × In, corresponding to 630–6,300 A with this 630 A release. The four-pole version also provides selectable neutral protection settings of OFF, 50% or 100%.

The T5V performance level is designed for installations with exceptionally high prospective fault currents. The 1SDA054433R1 provides an ultimate short-circuit breaking capacity of 200 kA at 380–415 V AC, with high interruption performance maintained across a wide operating-voltage range. This makes it a strong choice for industrial and commercial systems requiring instantaneous short-circuit protection at high fault levels.

Key Advantages

  • High-performance ABB SACE Tmax T5V 630 moulded case circuit breaker.
  • 630 A rated current for high-current low-voltage circuits.
  • Four-pole configuration for multipole distribution systems.
  • PR221DS-I electronic trip unit with adjustable instantaneous short-circuit protection.
  • Magnetic trip threshold adjustable from 1–10 × In.
  • Selectable OFF, 50% or 100% neutral protection.
  • 200 kA Icu at 380–415 V AC for exceptionally high prospective fault currents.
  • Fixed construction with front terminals for switchboard integration.

Key Features

  • ABB SACE Tmax T5V 630 circuit breaker platform.
  • 630 A rated current.
  • 4-pole construction.
  • PR221DS-I electronic release.
  • Adjustable instantaneous magnetic short-circuit protection.
  • Magnetic setting from 1–10 × In.
  • Magnetic adjustment range of 630–6,300 A.
  • Selectable neutral protection: OFF / 50% / 100%.
  • 200 kA Icu at 380–415 V AC.
  • Fixed mounting configuration.
  • Front-terminal connection arrangement.

Reliable Circuit Protection for Power Distribution

The ABB SACE Tmax T5V platform is engineered for demanding low-voltage systems where substantial current capacity and exceptionally high short-circuit interruption performance are required. With a 630 A rated current and 200 kA Icu at 380–415 V AC, the 1SDA054433R1 provides robust interruption capability for installations with significant prospective fault currents.

Its PR221DS-I electronic trip unit provides adjustable instantaneous magnetic protection from 1–10 × In, while the four-pole configuration offers selectable neutral protection. Fixed mounting and front terminals provide a practical arrangement for integration into industrial switchboards, distribution panels and other low-voltage electrical assemblies.

Typical Applications

  • Industrial low-voltage electrical systems.
  • High-current distribution switchboards.
  • Three-phase four-wire electrical installations.
  • Manufacturing and process facilities.
  • Commercial and infrastructure power systems.
  • Applications requiring high-capacity instantaneous short-circuit protection.

Technical Specifications

Series SACE Tmax T5
ABB order code 1SDA054433R1
Product group 310511-T-Max T4 - T8
Product type Moulded case circuit breaker (MCCB)
Frame T5 630
Performance level V
Rated current (In) 630 A
Number of poles 4
Trip unit PR221DS-I electronic release
Protection function Instantaneous short-circuit protection
Magnetic protection adjustment 1–10 × In (630–6,300 A)
Neutral protection setting OFF / 50% / 100%
Ultimate breaking capacity (Icu) at 220/230 V AC 200 kA
Ultimate breaking capacity (Icu) at 380/415 V AC 200 kA
Ultimate breaking capacity (Icu) at 440 V AC 180 kA
Ultimate breaking capacity (Icu) at 500 V AC 150 kA
Ultimate breaking capacity (Icu) at 690 V AC 80 kA
Mounting type Fixed
Terminal type Front terminals
Dimensions (H × W × D) 205 × 165 × 103.5 mm
Weight approx. 4.7 kg
EAN 8015644555375

Frequently Asked Questions

What is the ABB 1SDA054433R1 used for?

The ABB 1SDA054433R1 is a 630 A four-pole moulded case circuit breaker equipped with an electronic instantaneous trip unit for short-circuit protection in demanding low-voltage electrical systems.

What is the current rating of the ABB T5V630 1SDA054433R1?

The circuit breaker has a rated current of 630 A and is based on the ABB SACE Tmax T5V 630 platform.

What protection does the PR221DS-I trip unit provide?

The PR221DS-I provides adjustable instantaneous magnetic short-circuit protection. For this 630 A version, the magnetic threshold is adjustable from 1–10 × In, equivalent to 630–6,300 A.

What is the breaking capacity of the ABB 1SDA054433R1?

The T5V version provides an ultimate short-circuit breaking capacity (Icu) of 200 kA at 380–415 V AC. It is therefore suited to electrical systems with exceptionally high prospective short-circuit currents.

Does the ABB 1SDA054433R1 provide neutral protection?

Yes. This four-pole PR221DS-I version provides selectable OFF, 50% or 100% neutral protection settings, allowing the neutral protection level to be configured for the application.

Trusted Protection from ABB

ABB SACE Tmax moulded case circuit breakers combine high interruption performance with configurable electronic protection, providing dependable short-circuit protection for demanding industrial and commercial low-voltage electrical systems.