Product Model

T4H 320 PR221DS-I In=320 3p F F

In Stock
Last updated: 2025/4/18
ABB T4H 320 PR221DS-I In=320 3p F F

Selling Points

  • 1High Performance: Designed for reliable operation in industrial settings.
  • 2Robust Insulation: Rated insulation voltage of 1000 V and impulse withstand voltage of 8 kV.
  • 3Three-Pole Configuration: Suitable for three-phase applications with a rated current of 320 A.
  • 4Solid-State Release: Utilizes advanced solid-state release technology for efficient operation.
  • 5Compliance with IEC Standards: Meets IEC 60947 standards for safety and performance.
Product Details
T4H 320 PR221DS-I In=320 3p F F
ABB

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
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
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
Rated Ultimate Short-Circuit Breaking Capacity (Icu)
(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 AC) 40 kA
Rated Uninterrupted Current (Iu)
320 A
Release
PR221DS-I
Release Type
EL
Short-Circuit Performance Level
H
Standards
IEC
Sub-type
T4
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
Object Classification Code
Q
UNSPSC
39121100
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
eClass
V11.1 : 27370409
Manufacturer ID
1SDA054134R1

Specifications may be subject to change without notice