Product Model

XT3S 250 TMG 125-400 4p F F InN=100%

In Stock
Last updated: 2025/4/21
ABB XT3S 250 TMG 125-400 4p F F InN=100%

Selling Points

  • 1Designed to handle high short-circuit currents up to 50 kA.
  • 2Specifically designed for generator protection applications.
  • 3Ensures reliable and fast tripping in case of faults.
  • 4Suitable for 690 V AC and 500 V DC operations.
  • 5Built to withstand 25,000 mechanical operations and 8,000 electrical cycles.
Product Details
XT3S 250 TMG 125-400 4p F F InN=100%
ABB

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Environmental Information
9AKK108467A6707
Product Net Width
140 mm
Product Net Height
150 mm
Product Net Depth / Length
70 mm
Product Net Weight
2.1 kg
Circuit Breaker Type to be Associated
Generator Protection
Product Main Type
SACE Tmax XT
Product Name
Moulded Case Circuit Breaker
Product Type
Automatic Circuit Breaker
Version
F
CAD Dimensional Drawing
1SDH001295R0483
Connecting Capacity Main Circuit
Busbar 85..192 mm²
Current Type
AC/DC
Electrical Durability
120 cycles per hour 8000 cycle
Mechanical Durability
240 cycles per hour 25000 cycle
Number of Poles
4P
Opening Time
CB with SOR 15 ms CB with UVR 15 ms
Order Multiple
1 piece
Power Loss
at Rated Operating Conditions per Pole 6.6 W
Rated Current (In)
125 A
Rated Frequency (f)
50 / 60 Hz
Rated Impulse Withstand Voltage (Uimp)
8 kV
Rated Instantaneous Short-Circuit Current Setting (Ii)
400 A
Rated Insulation Voltage (Ui)
800 V
Rated Operational Voltage
690 V AC 500 V DC
Rated Service Short-Circuit Breaking Capacity (Ics)
(220 V AC) 50 kA (230 V AC) 50 kA (240 V AC) 50 kA (380 V AC) 27 kA (415 V AC) 36 kA (440 V AC) 20 kA (500 V AC) 15 kA (525 V AC) 10 kA (690 V AC) 3 kA (250 V DC) 2 Poles in Series 27 kA (500 V DC) 3 Poles in Series 37.5 kA
Rated Ultimate Short-Circuit Breaking Capacity (Icu)
(220 V AC) 85 kA (230 V AC) 85 kA (240 V AC) 85 kA (380 V AC) 50 kA (415 V AC) 50 kA (440 V AC) 40 kA (500 V AC) 30 kA (525 V AC) 20 kA (690 V AC) 6 kA (250 V DC) 2 Poles in Series 36 kA (500 V DC) 3 Poles in Series 50 kA
Rated Uninterrupted Current (Iu)
250 A
Rated Voltage (Ur)
690 V
Recommended Screw Driver
Main Circuit M8
Release
TMG
Release Type
TM
Setting Range
87.5...125 A
Short-Circuit Performance Level
S
Standards
IEC60947-2
Sub-type
XT3
Terminal Connection Type
Front
Terminal Type
Bolt
Tightening Torque
8 N·m
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
UNSPSC
39120000
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
eClass
V11.1 : 27370409
Manufacturer ID
1SDA068275R1

Specifications may be subject to change without notice