XT3N 250 TMD 125-1250 3p F F

Name: XT3N 250 TMD 125-1250 3p F F
Brand: ABB
SKU: XT3N 250 TMD 125-1250 3p F F

Short Description: The ABB XT3N 250 TMD 125-1250 3P FF is a high-performance, three-pole circuit breaker with a thermal-magnetic release, designed for reliable operation in industrial settings.

Product ModelXT3N 250 TMD 125-1250 3p F F

Material Number1SDA068056R1

Product ID76565

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable Thermal-Magnetic ReleaseThe XT3N 250 TMD features a thermal-magnetic release, ensuring reliable operation under various load conditions. This technology combines thermal and magnetic elements to provide precise overcurrent and short-circuit protection.
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2. High Short-Circuit Breaking CapacityWith a short-circuit breaking capacity of up to 36 kA at 250 V DC and 50 kA at 500 V DC, this circuit breaker is designed to handle high short-circuit currents, ensuring safe and efficient operation.
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3. Versatile Voltage CompatibilityThe XT3N 250 TMD supports a wide range of voltages, including 690 V AC and 500 V DC, making it suitable for various industrial applications and configurations.
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4. Durable and Long-LastingBuilt to last, this circuit breaker can withstand up to 25,000 operations at no load and 8,000 operations with load, ensuring long-term reliability and minimal maintenance.

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

Power Distribution

5. Compliance with International StandardsThe XT3N 250 TMD complies with international standards such as IEC 60947-1 and IEC 60947-2, ensuring it meets the highest safety and performance standards for circuit breakers.

Product Main Type

SACE Tmax XT

Product Name

Leistungsschalter

Product Type

Automatic Circuit Breaker

Version

CAD Dimensional Drawing

1SDH001295R0409

Connecting Capacity Main Circuit

Busbar 85..192 mmÂ²

Current Type

AC/DC

Electrical Durability

120 cycles per hour 8000 cycle

Mechanical Durability

240 cycles per hour 25000 cycle

Number of Poles

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)

1250 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

Rated Ultimate Short-Circuit Breaking Capacity (Icu)

(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

TMD

Release Type

Setting Range

87.5...125 A

Short-Circuit Performance Level

Standards

IEC60947-2

Sub-type

XT3

Terminal Connection Type

Front

Terminal Type

Bolt

Tightening Torque

8 NÂ·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

UNSPSC

39120000

WEEE Category

5. Small Equipment (No External Dimension More Than 50 cm)

eClass

V11.1 : 27370409

Manufacturer ID

1SDA068056R1