A2B 250 TMF 125-1250 4p F F

Product ID:81890
Updated: 2026/4/18
ABB A2B 250 TMF 125-1250 4p F F

Key Features

  • 1Support up to 125A with a 250A frame rating. 2、Withstand 6kV impulse voltage for robust insulation. 3、Ensure consistent performance with reliable TMF release technology. 4、Meet IEC 60947-2 and EC directives for full compliance. 5、Achieve 4000 electrical and 10000 mechanical durability cycles.
Product Details
A2B 250 TMF 125-1250 4p F F
ABB

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Environmental Information
1SDL000183R0001 9AKK108467A6707
Product Net Width
140 mm
Product Net Height
150 mm
Product Net Depth / Length
60 mm
Product Net Weight
1.75 kg
Product Main Type
SACE FORMULA
Product Name
Moulded Case Circuit Breaker
Product Type
Automatic Circuit Breaker
Version
F
Electrical Durability
4000 cycle
Mechanical Durability
10000 cycle
Number of Poles
4P
Opening Time
CB with SOR 15 ms CB with UVR 15 ms
Power Loss
at Rated Operating Conditions per Pole 7 W
Rated Current (In)
Main Circuit 125 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) 12.5 kA (380 V AC) 9 kA (415 V AC) 9 kA (440 V AC) 7.5 kA (480 V AC) 7.5 kA (500 V AC) 2.5 kA (250 V DC) 2 Poles in Series 9 kA
Rated Ultimate Short-Circuit Breaking Capacity (Icu)
(240 V AC) 25 kA (380 V AC) 18 kA (415 V AC) 18 kA (440 V AC) 15 kA (480 V AC) 15 kA (500 V AC) 5 kA (250 V DC) 2 Poles in Series 18 kA
Rated Uninterrupted Current (Iu)
250 A
Release
TMF
Release Type
TM
Short-Circuit Performance Level
B
Standards
IEC
Sub-type
A2
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
Object Classification Code
Q
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
eClass
V11.1 : 27370409
Manufacturer ID
1SDA066554R1

Specifications may be subject to change without notice