Short Description: ABB T5S 400 PR221DS-LS/I 3P FF - Reliable, high-performance moulded case circuit breaker with 400 A rated current and 85 kA short-circuit breaking capacity.
Product ModelT5S 400 BREAKING PART 3p F F
Material Number1SDA054578R1
Product ID75294
Stock on Request
Last updated: 9/6/2026
Key Features
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1. High Short-Circuit Breaking CapacityThe ABB T5S 400 PR221DS-LS/I features a short-circuit breaking capacity of up to 85 kA at 220/230 V AC, ensuring reliable protection in high-stress electrical environments.
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2. Robust DesignWith a mechanical durability of 20,000 cycles at 120 cycles per hour, this circuit breaker is built to withstand the demands of frequent operation and harsh conditions.
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3. Electrical DurabilityDesigned to handle 7,000 electrical cycles at 60 cycles per hour, it provides consistent performance over extended periods.
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4. Versatile ApplicationSuitable for a wide range of applications, including transformer, generator, and installation protection, making it a versatile choice for various industrial settings.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Environmental Information
9AKK10103A1056 9AKK108467A6707
Product Net Width
140 mm
Product Net Height
205 mm
Product Net Depth / Length
103.5 mm
Product Net Weight
3.25 kg
Product Main Type
SACE Tmax T
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5. Compliance and CertificationsMeets IEC standards and is CE compliant, ensuring that it adheres to international safety and performance regulations, providing peace of mind for users.
Product Name
Moulded Case Circuit Breaker
Product Type
Breaking Part
Suitable For
T5
Suitable for Product Class
Moulded Case Circuit Breakers
Version
F
Device
Breaking Part
Electrical Durability
7000 cycle 60 cycles per hour
Mechanical Durability
20000 cycle 120 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 AC) 25 kA
Rated Short-time Withstand Current Low Voltage (Icw)
(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)
400 A
Short-Circuit Performance Level
S
Standards
IEC
Sub-type
T5
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
ETIM 9
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)