T5S 400 PR221DS-I In=320 4p F F

Name: T5S 400 PR221DS-I In=320 4p F F
Brand: ABB
SKU: T5S 400 PR221DS-I In=320 4p F F

Short Product Description ABB's T5S 400 PR221DS-I 4P FF is a fixed four-pole moulded case circuit breaker with front terminals and solid-state release, ideal for AC applications with a rated current of 400 A.

Product ModelT5S 400 PR221DS-I In=320 4p F F

Material Number1SDA054342R1

Product ID75703

Stock on Request

Last updated: 9/6/2026

Quantity

Key Features

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1. Reliable PerformanceThe ABB T5S 400 PR221DS-I 4P FF is engineered to provide reliable performance in a variety of AC applications, ensuring consistent operation under demanding conditions.
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2. High Current RatingWith a rated current of 400 A, this circuit breaker is designed to handle high electrical loads, making it suitable for a wide range of industrial and commercial settings.
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3. Solid-State ReleaseEquipped with a solid-state release mechanism, the T5S 400 PR221DS-I 4P FF offers enhanced reliability and faster response times during short-circuit events.
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4. Front Terminal ConnectionThe front terminal connection type simplifies installation and maintenance, reducing the risk of errors and ensuring a secure connection.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Environmental Information

9AKK10103A1056 9AKK108467A6707

Product Net Width

186 mm

Product Net Height

205 mm

Product Net Depth / Length

103.5 mm

Product Net Weight

6.2 kg

Product Main Type

SACE Tmax T

5. Compliance with International StandardsThe product adheres to IEC standards, ensuring compliance with international safety and performance regulations, providing peace of mind for users worldwide.

Moulded Case Circuit Breaker

Product Type

Automatic Circuit Breaker

Suitable For

Suitable for Product Class

Moulded Case Circuit Breakers

Version

Electrical Durability

7000 cycle 60 cycles per hour

Mechanical Durability

20000 cycle 120 cycles per hour

Number of Poles

Power Loss

at Rated Operating Conditions per Pole 10.6 W

Rated Current (In)

320 A

Rated Impulse Withstand Voltage (Uimp)

8 kV

Rated Insulation Voltage (Ui)

1000 V

Rated Operational Voltage

690 V AC

Rated Service Short-Circuit Breaking Capacity (Ics)

(220 V AC) 85 kA (230 V AC) 85 kA (380 V AC) 50 kA (400 V AC) 50 kA (415 V AC) 50 kA (440 V AC) 40 kA (500 V AC) 30 kA (690 V AC) 25 kA

Rated Short-time Withstand Current Low Voltage (Icw)

for 1 s 5 kA

Rated Ultimate Short-Circuit Breaking Capacity (Icu)

(220 V AC) 85 kA (230 V AC) 85 kA (380 V AC) 50 kA (400 V AC) 50 kA (415 V AC) 50 kA (440 V AC) 40 kA (500 V AC) 30 kA (690 V AC) 25 kA

Rated Uninterrupted Current (Iu)

400 A

Release

PR221DS-I

Release Type

Short-Circuit Performance Level

Standards

IEC

Sub-type

Terminal Connection Type

Fixed Circuit-Breakers Front

Test Voltage Max (Utest)

3500 V

Test Voltage at Industrial Frequency for 1 Minute

3500 V

ETIM 8

EC000228 - Power circuit-breaker for trafo/generator/installation protection

ETIM 9

EC000228 - Power circuit-breaker for trafo/generator/installation protection

Object Classification Code

UNSPSC

39121100

WEEE Category

5. Small Equipment (No External Dimension More Than 50 cm)

eClass

V11.1 : 27370409

Manufacturer ID

1SDA054342R1