ABB XT3N 250 TMG 160-480 3p F F: High-performance moulded case circuit breaker with thermomagnetic release, ideal for generator and transformer protection.
Product ModelXT3N 250 TMG 160-480 3p F F
Material Number1SDA068255R1
Product ID83166
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Reliable ProtectionThe XT3N 250 TMG 160-480 3p F F offers robust protection against short circuits and electrical overloads, ensuring the safety of your electrical system.
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2. Versatile ApplicationDesigned for use in generator and transformer applications, this circuit breaker provides reliable performance in a variety of electrical settings.
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3. Efficient OperationWith its thermomagnetic release mechanism, the XT3N 250 TMG 160-480 3p F F ensures efficient and reliable operation, minimizing downtime and maximizing system efficiency.
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4. Front Terminal ConnectionThe front terminal connection makes installation and maintenance easier, reducing the time and effort required for setup and repair.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Environmental Information
9AKK108467A6707
Product Net Width
105 mm
Product Net Height
150 mm
Product Net Depth / Length
70 mm
Product Net Weight
1.7 kg
Circuit Breaker Type to be Associated
Generator Protection
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5. Compliance with StandardsThe XT3N 250 TMG 160-480 3p F F meets IEC standards, ensuring compliance with international safety and performance regulations, providing peace of mind for your electrical installations.
Product Main Type
SACE Tmax XT
Product Name
Moulded Case Circuit Breaker
Product Type
Automatic Circuit Breaker
Version
F
CAD Dimensional Drawing
1SDH001295R0409
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
3P
Opening Time
CB with SOR 15 ms CB with UVR 15 ms
Order Multiple
1 piece
Power Loss
at Rated Operating Conditions per Pole 7.9 W
Rated Current (In)
160 A
Rated Frequency (f)
50 / 60 Hz
Rated Impulse Withstand Voltage (Uimp)
8 kV
Rated Instantaneous Short-Circuit Current Setting (Ii)
480 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) 19 kA (500 V AC) 15 kA (525 V AC) 9.75 kA (690 V AC) 3.75 kA (250 V DC) 2 Poles in Series 36 kA (500 V DC) 3 Poles in Series 50 kA
(220 V AC) 50 kA (230 V AC) 50 kA (240 V AC) 50 kA (380 V AC) 36 kA (415 V AC) 36 kA (440 V AC) 36 kA (500 V AC) 20 kA (525 V AC) 13 kA (690 V AC) 5 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
112...160 A
Short-Circuit Performance Level
N
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)
