ABB T4S 250 PR221DS-LSI R100 4P: Reliable, efficient, and high-performance moulded case circuit breaker with solid-state release for industrial electrical distribution.
Product ModelT4S250 PR221DS-LSI R100 P MP 4P
Material Number1SDA097377R1
Product ID93662
Stock on Request
Last updated: 8/29/2026
Key Features
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1. High Breaking CapacityThe ABB T4S 250 PR221DS-LSI R100 4P circuit breaker offers a high breaking capacity, ensuring reliable operation under short-circuit conditions. With a rated ultimate short-circuit breaking capacity (Icu) of 25 kA at 690 V AC, it provides robust protection for your electrical system.
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2. Solid-State ReleaseEquipped with a solid-state release mechanism, this circuit breaker ensures precise and reliable operation. The electronic trip unit provides fast and accurate detection of faults, minimizing downtime and ensuring safe operation.
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3. Double InsulationThe Tmax family of circuit breakers, including the T4S 250 PR221DS-LSI R100 4P, features double insulation between live power parts and front parts. This design enhances safety by preventing any risk of contact with live parts during normal operation.
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4. Mechanical DurabilityDesigned for long-lasting performance, the ABB T4S 250 PR221DS-LSI R100 4P has a mechanical durability of 20,000 cycles at 240 cycles per hour. This ensures that the circuit breaker can withstand frequent operations without compromising its functionality.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
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Value
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Value
Environmental Information
9AKK108467A6707
Product Net Width
140 mm
Product Net Height
205 mm
Product Net Depth / Length
103.5 mm
Product Net Weight
4.65 kg
Product Main Type
SACE Tmax T
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5. Compliance with StandardsThe ABB Tmax T4S 250 PR221DS-LSI R100 4P complies with international standards such as IEC 60947-2 and the Low Voltage Directives (LVD) no. 73/23 EEC. This ensures that the product meets stringent safety and performance requirements, providing peace of mind for users.
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6. Efficient InstallationThe Tmax family is optimized for installation sizing, making it easier to select the right apparatus and accessories for your electrical distribution needs. This leads to more efficient installation processes and better protection of cables, busbar ducts, and supports.
Product Name
Moulded Case Circuit Breaker
Product Type
Automatic Circuit Breaker
Remarks
ATLAS
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)