High-performance 3P FF circuit breaker with 320A rated current, 690V AC operational voltage, and solid-state release. Meets IEC 60947 standards for moulded case circuit breakers.
Product ModelT4S 320 BREAKING PART 3p F F
Material Number1SDA054568R1
Product ID76239
Stock on Request
Last updated: 8/29/2026
Key Features
1
Feature1. High Performance and Reliability The ABB T4S 320 PR221DS-LS/I is designed to provide reliable performance in high-voltage applications. Its solid-state release ensures consistent operation under various conditions.
2
Feature2. Compliance with International Standards This circuit breaker meets the stringent standards set by IEC 60947, ensuring it is compatible with a wide range of electrical systems globally.
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Feature3. Rated for High Current and Voltage With a rated current of 320A and operational voltage of 690V AC, this breaker is suitable for demanding industrial applications where high power is required.
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Feature4. Electrical Durability The breaker is designed to withstand 6000 electrical cycles, providing long-lasting durability and minimizing the need for frequent replacements.
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
105 mm
Product Net Height
162 mm
Product Net Depth / Length
103.5 mm
Product Net Weight
2.35 kg
Product Main Type
SACE Tmax T
5
Feature5. Compact Design for Easy Installation The compact dimensions (248mm x 285mm x 240mm) make it easy to integrate into existing electrical panels, reducing installation time and space requirements.
Product Name
Moulded Case Circuit Breaker
Product Type
Breaking Part
Suitable For
T4
Suitable for Product Class
Moulded Case Circuit Breakers
Version
F
Electrical Durability
6000 cycle 120 cycles per hour
Mechanical Durability
20000 cycle 240 cycles per hour
Number of Poles
3
Rated Impulse Withstand Voltage (Uimp)
8 kV
Rated Insulation Voltage (Ui)
1000 V
Rated Operational Voltage
690 V AC 750 V DC
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) 25 kA
(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 (250 V DC) 2 Poles in Series 50 kA (500 V DC) 2 Poles in Series 36 kA (750 V DC) 3 Poles in Series 25 kA
Rated Uninterrupted Current (Iu)
320 A
Short-Circuit Performance Level
S
Standards
IEC
Sub-type
T4
Terminal Connection Type
Fixed Circuit-Breakers Front
Test Voltage Max (Utest)
3500 V
ETIM 8
EC000228 - Power circuit-breaker for trafo/generator/installation protection
Object Classification Code
Q
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
eClass
V11.1 : 27370409
Manufacturer ID
1SDA054568R1
ABB T4S 320 PR221DS-LS/I 3P FF Circuit Breaker - High Performance and Reliability | INDPRT