T4H 250 TMA 125-1250 4p F F InN=100%In

Name: T4H 250 TMA 125-1250 4p F F InN=100%In
Brand: ABB
SKU: T4H 250 TMA 125-1250 4p F F InN=100%In

The ABB T4H 250 TMA 125-1250 4P FF InN=100%In is a robust, four-pole molded case circuit breaker with thermomagnetic release and front terminals. It ensures reliable operation and meets IEC 60947 standards.

Product ModelT4H 250 TMA 125-1250 4p F F InN=100%In

Material Number1SDA054279R1

Product ID74928

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable OperationThe ABB T4H 250 TMA 125-1250 4P FF InN=100%In is designed for consistent and reliable operation, ensuring your electrical system runs smoothly and safely.
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2. Thermomagnetic ReleaseEquipped with a thermomagnetic release mechanism, this circuit breaker provides efficient and safe tripping in case of overcurrent conditions.
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3. Front Terminal ConnectionFeaturing front terminals, the T4H 250 makes it easy to connect and disconnect, reducing installation time and improving overall efficiency.
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4. High PerformanceWith a rated current of 125 A and a maximum short-circuit breaking capacity of 70 kA at 400 V AC, this circuit breaker is ideal for high-performance applications.
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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

9AKK10103A1057

Product Net Width

140 mm

Product Net Height

205 mm

Product Net Depth / Length

103.5 mm

Product Net Weight

3.05 kg

Product Main Type

SACE Tmax T

5. Compliance with IEC 60947The T4H 250 TMA 125-1250 4P FF InN=100%In meets the stringent standards of IEC 60947, ensuring it is safe and reliable for use in a variety of electrical systems.

Moulded Case Circuit Breaker

Product Type

Automatic Circuit Breaker

Suitable For

Suitable for Product Class

Moulded Case Circuit Breakers

Version

Electrical Durability

8000 cycle 120 cycles per hour

Mechanical Durability

20000 cycle 240 cycles per hour

Number of Poles

Power Loss

at Rated Operating Conditions per Pole 6.2 W

Rated Current (In)

125 A

Rated Impulse Withstand Voltage (Uimp)

8 kV

Rated Insulation Voltage (Ui)

1000 V

Rated Operational Voltage

690 V AC 750 V DC

Rated Service Short-Circuit Breaking Capacity (Ics)

(220 V AC) 100 kA (230 V AC) 100 kA (380 V AC) 70 kA (400 V AC) 70 kA (415 V AC) 70 kA (440 V AC) 65 kA (500 V AC) 50 kA (690 V) 40 kA

Rated Ultimate Short-Circuit Breaking Capacity (Icu)

(220 V AC) 100 kA (230 V AC) 100 kA (380 V AC) 70 kA (400 V AC) 70 kA (415 V AC) 70 kA (440 V AC) 65 kA (500 V AC) 50 kA (690 V AC) 40 kA (250 V DC) 2 Poles in Series 70 kA (500 V DC) 2 Poles in Series 50 kA (750 V DC) 3 Poles in Series 36 kA

Rated Uninterrupted Current (Iu)

250 A

Release

TMA

Release Type

Short-Circuit Performance Level

Standards

IEC

Sub-type

Terminal Connection Type

Fixed Circuit-Breakers Front

Test Voltage Max (Utest)

3500 V

ETIM 8

EC000228 - Power circuit-breaker for trafo/generator/installation protection

Object Classification Code

UNSPSC

39121100

WEEE Category

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

eClass

V11.1 : 27370409

Manufacturer ID

1SDA054279R1