ABB T5H 400 UL/CSA PR221DS-LS/I 300 4P FF: Reliable, four-pole molded case circuit breaker for branch circuit protection, meeting UL 489 and CSA C22.2 standards.
Product ModelT5H 400 UL/CSA PR221DS-LS/I 300 4p F F
Material Number1SDA060117R1
Product ID76264
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Reliable ProtectionThe ABB T5H 400 UL/CSA PR221DS-LS/I 300 4P FF offers robust protection for your electrical systems, ensuring safe operation under various conditions.
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2. Compliance with StandardsMeets UL 489 and CSA C22.2 standards, providing assurance of safety and reliability in industrial applications.
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3. High PerformanceDesigned for high-performance operation, this circuit breaker ensures efficient and reliable branch circuit protection.
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4. Versatile ApplicationSuitable for a wide range of industrial applications, including transformer and generator installations, making it a versatile choice for various electrical needs.
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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
9AKK10103A1056 9AKK108467A6707
Product Net Width
186 mm
Product Net Height
205 mm
Product Net Depth / Length
103.5 mm
Product Net Weight
6.2 kg
Product Main Type
SACE Tmax T
5. Durable ConstructionBuilt with durable materials, this circuit breaker withstands mechanical stress and electrical loads, ensuring long-lasting performance and minimal maintenance.
Product Name
Moulded Case Circuit Breaker
Product Type
Automatic Circuit Breaker
Suitable For
T5
Suitable for Product Class
Moulded Case Circuit Breakers
Version
F
Mechanical Durability
20000 cycle 120 cycles per hour
Number of Poles
4
Power Loss
at Rated Operating Conditions per Pole 9.3 W
Rated Current (In)
300 A
Rated Impulse Withstand Voltage (Uimp)
8 kV
Rated Insulation Voltage (Ui)
1000 V
Rated Operational Voltage
600 V AC
Rated Uninterrupted Current (Iu)
400 A
Release
PR221DS-LS/I
Release Type
EL
Short-Circuit Performance Level
H
Standards
UL
Sub-type
T5
Terminal Connection Type
Fixed Circuit-Breakers Front
Test Voltage Max (Utest)
3500 V
Interrupting Rating acc. to UL489
(240 V AC) 150 kA (480 V AC) 65 kA (600 V AC) 35 kA
ETIM 8
EC000228 - Power circuit-breaker for trafo/generator/installation protection
ETIM 9
EC000228 - Power circuit-breaker for trafo/generator/installation protection
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)