T4H 320 PR221DS-I In=320 4p F F

Name: T4H 320 PR221DS-I In=320 4p F F
Brand: ABB
SKU: T4H 320 PR221DS-I In=320 4p F F

Short Product Description ABB T4H 320 PR221DS-I 4-pole moulded case circuit breaker with front terminals and solid-state release, rated for 320 A and compliant with IEC 60947 standards.

Product ModelT4H 320 PR221DS-I In=320 4p F F

Material Number1SDA054138R1

Product ID74993

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Performance and ReliabilityThe ABB T4H 320 PR221DS-I is engineered to provide reliable performance in high-demand AC applications, ensuring consistent operation under various conditions.
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2. Advanced Solid-State ReleaseEquipped with a solid-state release mechanism, this circuit breaker offers faster and more precise tripping, enhancing overall system safety and efficiency.
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3. Compliance with International StandardsMeets the stringent requirements of IEC 60947, ensuring that the product adheres to global standards for safety and performance.
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4. Versatile Terminal ConnectionFeatures front terminals for easy installation and maintenance, making it a versatile choice for various electrical configurations.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Environmental Information

9AKK10103A1057

Product Net Width

140 mm

Product Net Height

205 mm

Product Net Depth / Length

103.5 mm

Product Net Weight

3.05 kg

Product Main Type

SACE Tmax T

5. Durable DesignBuilt to withstand 20,000 mechanical cycles at 240 cycles per hour, this circuit breaker is designed to last, providing long-term 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

6000 cycle 120 cycles per hour

Mechanical Durability

20000 cycle 240 cycles per hour

Number of Poles

Power Loss

at Rated Operating Conditions per Pole 17.6 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) 100 kA (230 V AC) 100 kA (380 V AC) 70 kA (400 V AC) 70 kA (415 V AC) 70 kA (440 V AC) 65 kA (500 V AC) 50 kA (690 V) 40 kA

Rated Ultimate Short-Circuit Breaking Capacity (Icu)

(220 V AC) 100 kA (230 V AC) 100 kA (380 V AC) 70 kA (400 V AC) 70 kA (415 V AC) 70 kA (440 V AC) 65 kA (500 V AC) 50 kA (690 V AC) 40 kA

Rated Uninterrupted Current (Iu)

320 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

Object Classification Code

UNSPSC

39121100

WEEE Category

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

eClass

V11.1 : 27370409

Manufacturer ID

1SDA054138R1