The ABB A3N 400 MF 320-3840 3P FF is a high-performance, three-pole circuit breaker with magnetic release and front terminals, ideal for industrial use.
Product ModelA3N 400 MF 320-3840 3p F F
Material Number1SDA076729R1
Product ID71093
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Reliable PerformanceThe ABB A3N 400 MF 320-3840 3P FF is engineered to provide consistent and reliable performance in demanding industrial environments.
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2. Magnetic ReleaseEquipped with a magnetic release mechanism, this circuit breaker ensures safe and efficient operation, reducing the risk of electrical shock.
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3. Front TerminalsThe front terminal design makes it easy to connect and disconnect wires, simplifying maintenance and installation processes.
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4. High Short-Circuit CapacityDesigned to handle high short-circuit currents, this circuit breaker is capable of withstanding intense electrical surges, ensuring the safety of equipment and personnel.
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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
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
5. Versatile ApplicationSuitable for a wide range of industrial applications, the ABB A3N 400 MF 320-3840 3P FF is a versatile solution for various electrical distribution systems.
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
