T4S 320 BREAKING PART 3p F F

Product ID:75790
Updated: 2026/4/11
ABB T4S 320 BREAKING PART 3p F F

Key Features

  • 1Achieve high breaking capacity up to 50 kA at 415V. 2、Ensure secure connections with a robust front-terminal design. 3、Guarantee reliability through compliance with IEC 60947 standards. 4、Protect transformers and generators across various applications. 5、Benefit from durable construction with 20000 mechanical cycles.
Product Details
T4S 320 BREAKING PART 3p F F
ABB

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Environmental Information
9AKK10103A1057
Product Net Width
105 mm
Product Net Height
162 mm
Product Net Depth / Length
103.5 mm
Product Net Weight
2.35 kg
Product Main Type
SACE Tmax T
Product Name
Moulded Case Circuit Breaker
Product Type
Breaking Part
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
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) 25 kA
Rated Ultimate Short-Circuit Breaking Capacity (Icu)
(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)
320 A
Short-Circuit Performance Level
S
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
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
eClass
V11.1 : 27370409
Manufacturer ID
1SDA054568R1

Specifications may be subject to change without notice