Short Description: ABB T4H 320 PR222DS/P-LSI 3P Moulded Case Circuit Breaker with solid-state release and front terminals, ideal for AC systems up to 320A.
Product ModelT4H 320 PR222DS/P-LSI In=320 3p F F
Material Number1SDA054135R1
Product ID74995
Stock on Request
Last updated: 8/29/2026
Key Features
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Feature1. Reliable Operation The ABB T4H 320 PR222DS/P-LSI is engineered for reliable operation in AC systems, ensuring consistent performance under various conditions.
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Feature2. Solid-State Release Equipped with a solid-state release mechanism, this circuit breaker provides fast and precise tripping, enhancing overall system safety.
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Feature3. Front Terminal Connection Featuring front terminal connections, the T4H 320 PR222DS/P-LSI simplifies installation and maintenance, reducing downtime and increasing efficiency.
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Feature4. High Current Rating Designed to handle up to 320A, this circuit breaker is suitable for a wide range of applications, from industrial to commercial settings.
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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
205 mm
Product Net Depth / Length
103.5 mm
Product Net Weight
3.5 kg
Product Main Type
SACE Tmax T
Feature5. Compliance with International Standards Meets the standards set by IEC 60947, ensuring that the product adheres to international safety and performance criteria, providing peace of mind for users.
Product Name
Moulded Case Circuit Breaker
Product Type
Automatic Circuit Breaker
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
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
