ABB A3N 400 TMF 400-4000 3p FF: A high-performance, three-pole moulded case circuit breaker with thermomagnetic release, ideal for main circuit applications up to 400 A and 690 V.
Product ModelA3N 400 TMF 400-4000 3p F F
Material Number1SDA066561R1
Product ID93135
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Reliable Operation\"The ABB A3N 400 TMF 400-4000 3p FF ensures reliable operation with its thermomagnetic release mechanism, providing consistent performance in various electrical conditions.\"
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2. High Short-Circuit Breaking Capacity\"With a short-circuit breaking capacity of up to 42.5 kA at 240 V AC and 18 kA at 380 V AC, this circuit breaker offers robust protection against electrical surges.\"
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3. Efficient Design\"Designed with efficiency in mind, the ABB A3N 400 TMF 400-4000 3p FF minimizes power loss, ensuring optimal performance and energy savings in your electrical system.\"
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4. Durable Construction\"Built to last, this circuit breaker withstands 2000 electrical cycles and 5000 mechanical cycles, making it a durable addition to your electrical infrastructure.\"
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
4.561 kg
Product Main Type
SACE FORMULA
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5. Compliance with International Standards\"Compliant with IEC standards, the ABB A3N 400 TMF 400-4000 3p FF meets the highest safety and performance requirements, ensuring it is suitable for a wide range of applications globally.\"
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
Opening Time
CB with SOR 15 ms CB with UVR â¤25 ms
Power Loss
at Rated Operating Conditions per Pole 19.5 W
Rated Current (In)
Main Circuit 400 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
