T5S 400 PR221DS-LS/I In=400 3p F F

Name: T5S 400 PR221DS-LS/I In=400 3p F F
Brand: ABB
SKU: T5S 400 PR221DS-LS/I In=400 3p F F

The ABB T5S 400 PR221DS-LS/I In=400 3p F F is a fixed three-pole moulded case circuit breaker with front terminals and solid-state release. It is designed for AC applications, offering high reliability and efficiency in electrical protection.

Product ModelT5S 400 PR221DS-LS/I In=400 3p F F

Material Number1SDA054333R1

Product ID76103

Stock on Request

Last updated: 9/6/2026

Quantity

Key Features

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1. High Reliability and EfficiencyThe ABB T5S 400 PR221DS-LS/I In=400 3p F F is engineered to provide reliable electrical protection, ensuring the safe operation of your equipment and minimizing downtime.
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2. Solid-State ReleaseEquipped with a solid-state release mechanism, this circuit breaker offers fast and precise tripping, enhancing overall system performance and safety.
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3. High Current CapacityWith a rated current of 400 A, this circuit breaker is suitable for a wide range of industrial applications, including transformers, generators, and installations.
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4. Compliance with International StandardsDesigned to meet IEC standards, the ABB T5S 400 PR221DS-LS/I In=400 3p F F ensures compliance with international safety and performance regulations, providing peace of mind in your electrical setup.

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

140 mm

Product Net Height

205 mm

Product Net Depth / Length

103.5 mm

Product Net Weight

4.824 kg

Product Main Type

SACE Tmax T

5. Durable ConstructionBuilt to withstand demanding industrial conditions, this circuit breaker has a mechanical durability of up to 20,000 cycles at 120 cycles per hour, ensuring long-lasting performance and reliability.

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 16.5 W

Rated Current (In)

400 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-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

1SDA054333R1