XT3N250 TMD125/1250 PMP 3P

Name: XT3N250 TMD125/1250 PMP 3P
Brand: ABB
SKU: XT3N250 TMD125/1250 PMP 3P

The ABB XT3N 250 TMD 125/1250 3P circuit breaker is a high-performance, three-pole device with a thermomagnetic release, designed for reliable operation in power distribution systems.

Product ModelXT3N250 TMD125/1250 PMP 3P

Material Number2TFH101296R1001

Product ID88897

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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Feature1. High Performance and Reliability The XT3N 250 TMD 125/1250 3P circuit breaker is engineered to provide consistent and reliable performance, ensuring the safe operation of your electrical system.
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Feature2. Thermomagnetic Release (TMD) Equipped with a thermomagnetic release, this circuit breaker offers efficient and precise short-circuit protection, safeguarding your equipment from potential damage.
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Feature3. Wide Application Range Suitable for a variety of applications, including transformer and generator installations, the XT3N 250 TMD 125/1250 3P circuit breaker is versatile and adaptable to different electrical environments.
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Feature4. Compliance with International Standards Meets IEC standards, ensuring that the circuit breaker operates in compliance with international safety and performance regulations, providing peace of mind for users.

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 Main Type

SACE Tmax XT

Product Name

Moulded Case Circuit Breaker

Product Type

Automatic Circuit Breaker

Version

Current Type

AC/DC

Feature5. Durable Design Constructed with durable materials and designed for long-term operation, the XT3N 250 TMD 125/1250 3P circuit breaker is built to withstand the demands of continuous use in power distribution systems.

Electrical Durability

8000 cycle 120 cycles per hour

Mechanical Durability

25000 cycle 240 cycles per hour

Number of Poles

Power Loss

at Rated Operating Conditions per Pole 7.9 W

Rated Current (In)

125 A

Rated Impulse Withstand Voltage (Uimp)

8 kV

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) 37.5 kA (230 V AC) 37.5 kA (240 V AC) 37.5 kA (380 V AC) 27 kA (415 V AC) 27 kA (440 V AC) 18.75 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 36 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) 25 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 36 kA

Rated Uninterrupted Current (Iu)

250 A

Release

TMD

Release Type

Remarks

ATLAS

Short-Circuit Performance Level

Standards

IEC60947-2 GB/T 14028.2

Sub-type

XT3

Terminal Connection Type

Plug-In Circuit-Breakers

WEEE Category

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

Manufacturer ID

2TFH101296R1001