Product Model

A3N 400 MF 320-3840 3p F F

In Stock
Last updated: 2025/4/30
ABB A3N 400 MF 320-3840 3p F F

Selling Points

  • 1High Short-Circuit Making Capacity: Rated up to 187 kA at 240 V AC and 75.6 kA at 380 V AC.
  • 2Reliable Operation: Designed with a thermomagnetic release (TMF) for consistent performance.
  • 3Versatile Application: Suitable for transformer, generator, and installation protection.
  • 4Durable Construction: Withstands 2000 electrical cycles and 5000 mechanical cycles.
  • 5Compliant with Standards: Meets IEC standards for safety and reliability.
Product Details
A3N 400 MF 320-3840 3p F F
ABB

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Environmental Information
1SDL000185R001 9AKK108467A6707
Product Net Width
139.5 mm
Product Net Height
205 mm
Product Net Depth / Length
103.5 mm
Product Net Weight
4.75 kg
Product Main Type
SACE FORMULA DSA
Product Name
Moulded Case Circuit Breaker
Product Type
Automatic Circuit Breaker
Version
F
Electrical Durability
2000 cycle
Mechanical Durability
5000 cycle
Number of Poles
3P
Rated Current (In)
Main Circuit 320 A
Rated Impulse Withstand Voltage (Uimp)
6 kV
Rated Insulation Voltage (Ui)
690 V
Rated Operational Voltage
550 V AC 250 V DC
Rated Service Short-Circuit Breaking Capacity (Ics)
(240 V AC) 42.5 kA (380 V AC) 18 kA (415 V AC) 18 kA (440 V AC) 18 kA (480 V AC) 12.5 kA (500 V AC) 10 kA (250 V DC) 2 Poles in Series 18 kA
Rated Ultimate Short-Circuit Breaking Capacity (Icu)
(240 V AC) 85 kA (380 V AC) 36 kA (415 V AC) 36 kA (440 V AC) 36 kA (480 V AC) 25 kA (500 V AC) 20 kA (250 V DC) 2 Poles in Series 36 kA
Rated Uninterrupted Current (Iu)
400 A
Release
MF
Release Type
M
Short-Circuit Performance Level
N
Standards
IEC
Sub-type
A3
Terminal Connection Type
Front
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)
eClass
V11.1 : 27370409
Manufacturer ID
1SDA076729R1

Specifications may be subject to change without notice