Product Model

A3N 400 TMF 300-3000 3p F F 50??C

In Stock
Last updated: 2025/4/21
ABB A3N 400 TMF 300-3000 3p F F 50??C

Selling Points

  • 1High-performance overload and short-circuit protection.
  • 2Compact design for easy installation in distribution cabinets.
  • 3Reliable operation with thermal magnetic release.
  • 4Flexible configuration options for specific application needs.
  • 5Meets IEC standards for safety and reliability.
Product Details
A3N 400 TMF 300-3000 3p F F 50??C
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
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 300 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
TMF
Release Type
TM
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
1SDA068809R1

Specifications may be subject to change without notice