Product Model

T4N 320 PR221DS-LS/I In=320 4p F F

In Stock
Last updated: 2025/4/18
ABB T4N 320 PR221DS-LS/I In=320 4p F F

Selling Points

  • 1High electrical durability with 6000 cycles and 120 cycles per hour.
  • 2Robust mechanical performance with 20,000 cycles and 240 cycles per hour.
  • 3Fixed four-pole design with front terminals for easy installation.
  • 4Solid-state release mechanism for reliable operation.
  • 5Meets IEC 60947 standards for safety and performance.
Product Details
T4N 320 PR221DS-LS/I In=320 4p F F
ABB

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Environmental Information
9AKK10103A1057
Product Net Width
140 mm
Product Net Height
205 mm
Product Net Depth / Length
103.5 mm
Product Net Weight
4.5 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
4
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) 70 kA (230 V AC) 70 kA (380 V AC) 36 kA (400 V AC) 36 kA (415 V AC) 36 kA (440 V AC) 30 kA (500 V AC) 25 kA (690 V) 20 kA
Rated Ultimate Short-Circuit Breaking Capacity (Icu)
(220 V AC) 70 kA (230 V AC) 70 kA (380 V AC) 36 kA (400 V AC) 36 kA (415 V AC) 36 kA (440 V AC) 30 kA (500 V AC) 25 kA (690 V AC) 20 kA
Rated Uninterrupted Current (Iu)
320 A
Release
PR221DS-LS/I
Release Type
EL
Short-Circuit Performance Level
N
Standards
IEC
Sub-type
T4
Terminal Connection Type
Fixed Circuit-Breakers Front
Test Voltage Max (Utest)
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
1SDA054121R1

Specifications may be subject to change without notice