T5N 400 PR221DS-LS/I In=320 4p F F

Name: T5N 400 PR221DS-LS/I In=320 4p F F
Brand: ABB
SKU: T5N 400 PR221DS-LS/I In=320 4p F F

Short Description: ABB T5N 400 PR221DS-LS/I In=320 4P FF - High-performance, 4-pole, 320A molded case circuit breaker with solid-state release and front terminals, suitable for industrial and commercial applications.

Product ModelT5N 400 PR221DS-LS/I In=320 4p F F

Material Number1SDA054324R1

Product ID74914

Stock on Request

Last updated: 9/5/2026

Quantity

Key Features

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1. High-Performance DesignThe ABB T5N 400 PR221DS-LS/I In=320 4P FF is engineered for high-performance and durability, ensuring reliable circuit protection in industrial and commercial settings.
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2. Solid-State ReleaseEquipped with a solid-state release mechanism, this circuit breaker provides fast and efficient operation, enhancing overall system reliability.
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3. Front Terminal ConnectionFeaturing front terminals, the T5N 400 PR221DS-LS/I In=320 4P FF offers easy installation and maintenance, reducing downtime and increasing productivity.
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4. IEC ComplianceDesigned to meet IEC standards, this circuit breaker ensures safety and efficiency in operation, making it suitable for a wide range of applications.

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. Durable ConstructionWith an electrical durability of 7,000 cycles at 60 cycles per hour and a mechanical durability of 20,000 cycles at 120 cycles per hour, the T5N 400 PR221DS-LS/I In=320 4P FF is built to last, providing long-lasting reliability in demanding environments.

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) 70 kA (230 V AC) 70 kA (380 V AC) 36 kA (400 V AC) 36 kA (415 V AC) 36 kA (440 V AC) 30 kA (500 V AC) 25 kA (690 V AC) 20 kA

Rated Short-time Withstand Current Low Voltage (Icw)

for 1 s 5 kA

Rated Ultimate Short-Circuit Breaking Capacity (Icu)

(220 V AC) 70 kA (230 V AC) 70 kA (380 V AC) 36 kA (400 V AC) 36 kA (415 V AC) 36 kA (440 V AC) 30 kA (500 V AC) 25 kA (690 V AC) 20 kA

Rated Uninterrupted Current (Iu)

400 A

Release

PR221DS-LS/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

1SDA054324R1