1SDA054694R1 ABB PR221DS-I In=400 T5 3p Electronic Trip Unit

Why Choose the ABB PR221DS-I In=400 T5 3p Electronic Trip Unit?

The ABB PR221DS-I In=400 T5 3p is an advanced solid-state electronic trip unit designed for ABB SACE Tmax T5 moulded case circuit breakers, providing accurate and reliable short-circuit protection for low-voltage electrical distribution systems. As part of the ABB Tmax T electronic protection accessory range, it delivers dependable current monitoring and rapid fault response for industrial and commercial installations. :chatgpt-content-reference{index="0"}

This electronic release provides precise instantaneous protection by continuously monitoring circuit current conditions and initiating circuit interruption when fault levels exceed safe operating limits. The PR221DS-I design offers a compact and reliable protection solution for applications requiring accurate short-circuit performance and ABB Tmax T system compatibility. :chatgpt-content-reference{index="1"}

With a rated current of 400 A and compatibility with ABB Tmax T5 3-pole circuit breakers, the ABB PR221DS-I In=400 T5 3p is suitable for demanding low-voltage distribution applications requiring dependable electronic protection. :chatgpt-content-reference{index="2"}

Key Advantages

• Electronic solid-state protection technology for ABB Tmax T5 moulded case circuit breakers.
• 400 A rated current suitable for industrial power distribution systems. :chatgpt-content-reference{index="3"}
• Provides accurate instantaneous short-circuit protection.
• Three-pole configuration for three-phase electrical systems. :chatgpt-content-reference{index="4"}
• Improves protection coordination and fault response performance.
• Designed for reliable integration with ABB SACE Tmax T circuit breaker systems. :chatgpt-content-reference{index="5"}

Key Features

• ABB PR221DS-I In=400 T5 3p electronic trip unit.
• Suitable for ABB SACE Tmax T5 circuit breakers. :chatgpt-content-reference{index="6"}
• Three-pole (3P) configuration. :chatgpt-content-reference{index="7"}
• Rated current In: 400 A. :chatgpt-content-reference{index="8"}
• Instantaneous short-circuit protection.
• Solid-state electronic release technology.
• Designed for industrial low-voltage circuit protection.
• IEC compliant ABB Tmax T accessory design. :chatgpt-content-reference{index="9"}

Reliable Electronic Protection for Low-Voltage Systems

Electronic trip units such as the ABB PR221DS-I In=400 T5 3p provide fast and accurate protection by electronically monitoring current levels and responding to dangerous fault conditions. This allows improved protection performance compared with traditional electromechanical releases.

Installed within ABB Tmax T5 moulded case circuit breakers, the PR221DS-I release provides a durable and efficient solution for industrial switchboards, distribution panels and electrical infrastructure where dependable short-circuit protection is required.

Typical Applications

• Industrial power distribution boards.
• Low-voltage switchgear assemblies.
• Commercial electrical installations.
• Machinery and equipment protection systems.
• Factory electrical distribution networks.
• Applications requiring reliable electronic circuit breaker protection.