T4H 250 TMD 50-500 3p F F

Name: T4H 250 TMD 50-500 3p F F
Brand: ABB
SKU: T4H 250 TMD 50-500 3p F F

The ABB T4H 250 TMD 50-500 3p FF is a fixed three-pole moulded case circuit breaker with front terminals and thermomagnetic release, suitable for applications up to 500 A. It meets IEC 60947 standards and offers reliable short-circuit protection.

Product ModelT4H 250 TMD 50-500 3p F F

Material Number1SDA054209R1

Product ID75911

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
1. Reliable Short-Circuit ProtectionThe ABB T4H 250 TMD 50-500 3p FF is designed to provide reliable short-circuit protection, ensuring the safety of your electrical system. It meets IEC 60947 standards, providing a high level of performance and reliability.
2
2. Thermomagnetic ReleaseEquipped with a thermomagnetic release, this circuit breaker automatically trips in case of a short circuit, protecting your equipment from damage. The thermomagnetic mechanism ensures quick and reliable operation.
3
3. Efficient OperationThe ABB T4H 250 TMD 50-500 3p FF is engineered for efficient operation, minimizing downtime and maximizing system availability. Its robust design ensures consistent performance under various operating conditions.
4
4. Front Terminal ConnectionFeaturing front terminal connections, this circuit breaker offers easy installation and maintenance. The front terminals simplify the connection process, reducing the time and effort required for setup.

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

105 mm

Product Net Height

205 mm

Product Net Depth / Length

103.5 mm

Product Net Weight

2.35 kg

Product Main Type

SACE Tmax T

5. Compliance with EU DirectivesThe ABB T4H 250 TMD 50-500 3p FF complies with EU Directive 2011/65/EU and Amendment 2015/863, ensuring that it meets the latest environmental regulations. This makes it an eco-friendly choice for your electrical needs.

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 3.9 W

Rated Current (In)

50 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

TMD

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

1SDA054209R1