XT3S 250 TMG250/750 P MP 4P N=100%

Name: XT3S 250 TMG250/750 P MP 4P N=100%
Brand: ABB
SKU: XT3S 250 TMG250/750 P MP 4P N=100%

The ABB XT3S 250 TMG 250-750 3P F F is a reliable, three-pole circuit breaker ideal for generator protection. It boasts a 50kA ICU rating, thermomagnetic release, and front terminals for easy installation.

Product ModelXT3S 250 TMG250/750 P MP 4P N=100%

Material Number2TFH101360R1001

Product ID89842

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High DurabilityThe XT3S 250 TMG 250-750 3P F F is designed to withstand 25,000 mechanical operations and 8,000 electrical cycles, ensuring long-lasting performance in demanding environments.
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2. Generator ProtectionSpecifically designed for generator protection, this circuit breaker provides reliable and efficient operation, safeguarding your equipment from potential electrical hazards.
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3. Thermomagnetic ReleaseEquipped with a thermomagnetic release (TMG) mechanism, the XT3S 250 TMG 250-750 3P F F ensures quick and effective tripping in case of an overload or short circuit, minimizing damage to the system.
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4. Front Terminal ConnectionFeaturing front terminals, this circuit breaker offers easy and convenient installation, reducing setup time and increasing efficiency in your electrical setup.

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

140.0 mm

Product Net Height

150.0 mm

Product Net Depth / Length

70.0 mm

Product Net Weight

4.1 kg

Product Main Type

SACE Tmax XT

5. Robust Build and High RatingsWith a 50kA ICU rating and 100% ICS at 690V AC, the XT3S 250 TMG 250-750 3P F F provides exceptional short-circuit breaking capacity, ensuring reliable operation under various electrical conditions.

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

2TFH101360R1001