XT3S 250 TMG250/750 P MP 3P

Name: XT3S 250 TMG250/750 P MP 3P
Brand: ABB
SKU: XT3S 250 TMG250/750 P MP 3P

Short Description: The ABB XT3S 250 TMG 250-750 3P circuit breaker is a high-performance, fixed three-pole molded case circuit breaker with front terminals and thermomagnetic release, designed for generator protection and applications requiring 250-750 A current handling.

Product ModelXT3S 250 TMG250/750 P MP 3P

Material Number2TFH101344R1001

Product ID90002

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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Feature1. High Current Handling Capability The XT3S 250 TMG 250-750 3P circuit breaker can handle currents up to 750 A, making it suitable for high-power applications.
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Feature2. Thermomagnetic Release Equipped with a thermomagnetic release (TMG), this circuit breaker ensures reliable and efficient operation under various conditions.
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Feature3. Generator Protection Designed for generator protection, the XT3S 250 TMG 250-750 3P provides robust and reliable protection against short circuits and overcurrents.
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Feature4. High Durability With a mechanical durability of up to 25,000 cycles and electrical durability of up to 8,000 cycles, this circuit breaker is built to last.
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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

105.0 mm

Product Net Height

150.0 mm

Product Net Depth / Length

70.0 mm

Product Net Weight

3.24 kg

Product Main Type

SACE Tmax XT

Feature5. Compliance with International Standards Meets IEC standards, ensuring compliance with international safety and performance regulations, making it a reliable choice for global applications.

Moulded Case Circuit Breaker

Product Type

Automatic Circuit Breaker

Version

Current Type

AC/DC

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 21.4 W

Rated Current (In)

250 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) 42.5 kA (230 V AC) 42.5 kA (240 V AC) 42.5 kA (380 V AC) 27 kA (415 V AC) 27 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 37.5 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 50 kA (500 V DC) 3 Poles in Series 50 kA

Rated Uninterrupted Current (Iu)

250 A

Release

TMG

Release Type

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

2TFH101344R1001