High-performance, three-pole molded case circuit breaker with solid-state release and front terminals, ideal for applications up to 250A.
Product ModelT4S 250 PR221DS-LS/I In=250 3p F F
Material Number1SDA054023R1
Product ID75938
Stock on Request
Last updated: 8/29/2026
Key Features
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Feature1. Reliable Electrical Protection The ABB T4S 250 PR221DS-LS/I In=250 3p F F is designed to provide reliable electrical protection, ensuring the safety of your equipment and personnel. Its high breaking capacity and solid-state release mechanism ensure efficient operation under various conditions.
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Feature2. Efficient Operation With its front terminals, this circuit breaker offers easy and safe installation and maintenance. The fixed design ensures that the circuit breaker remains securely in place, reducing the risk of accidents during operation.
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Feature3. High Performance Capable of handling up to 250A, this circuit breaker is suitable for a wide range of applications, from industrial to commercial settings. Its high short-circuit breaking capacity (50 kA at 400V AC) ensures that it can handle even the most demanding electrical loads.
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Feature4. Compliance with IEC Standards The ABB T4S 250 PR221DS-LS/I In=250 3p F F is compliant with IEC standards, ensuring that it meets the highest safety and performance requirements. This compliance provides peace of mind for users who require products that adhere to international electrical standards.
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
3.645 kg
Product Main Type
SACE Tmax T
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Feature5. Long-Lasting Durability Designed for long-lasting durability, this circuit breaker can withstand up to 20,000 mechanical cycles and 8,000 electrical cycles at 415V AC. Its robust construction ensures that it remains operational even under heavy usage conditions.
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
8000 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 10.7 W
Rated Current (In)
250 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) 25 kA