T4H 250 TMA 125-1250 4p F F

Name: T4H 250 TMA 125-1250 4p F F
Brand: ABB
SKU: T4H 250 TMA 125-1250 4p F F

The ABB T4H 250 TMA 125-1250 4P FF circuit breaker is a high-performance, thermomagnetic release device designed for reliable operation in various electrical systems. It features a 4-pole configuration, rated for 125A, and meets IEC 60947 standards for safety and performance.

Product ModelT4H 250 TMA 125-1250 4p F F

Material Number1SDA054221R1

Product ID74924

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 circuit breaker is designed with a thermomagnetic release, ensuring reliable operation under various electrical conditions. Its robust design and high-quality components guarantee consistent performance.
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2. High Current RatingWith a rated current of 125A, this circuit breaker is suitable for a wide range of applications, from residential to commercial and industrial settings. Its high current rating makes it an ideal choice for demanding electrical systems.
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3. Efficient DesignThe 4-pole configuration of the ABB T4H 250 TMA 125-1250 4P FF circuit breaker allows for efficient distribution of electrical power. Its compact design and front terminals make installation and maintenance straightforward.
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4. Safety ComplianceThe circuit breaker meets IEC 60947 standards, ensuring compliance with international safety regulations. This ensures that the device operates safely and effectively, reducing the risk of electrical accidents.

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. Durable PerformanceDesigned to withstand 8000 electrical cycles and 20,000 mechanical cycles, the ABB T4H 250 TMA 125-1250 4P FF circuit breaker is built to last. Its durable construction ensures long-term reliability and performance in demanding environments.

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

Test Voltage at Industrial Frequency for 1 Minute

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

1SDA054221R1