T4H 250 TMD 32-320 4p F F

Name: T4H 250 TMD 32-320 4p F F
Brand: ABB
SKU: T4H 250 TMD 32-320 4p F F

Short Description: The ABB T4H 250 TMD 32-320 4 pole circuit breaker is a reliable and efficient solution for electrical installations, featuring a thermomagnetic release and front terminals. It supports applications up to 400V AC and 750V DC, ensuring high short-circuit breaking capacity and durability.

Product ModelT4H 250 TMD 32-320 4p F F

Material Number1SDA054217R1

Product ID74939

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Reliability and SafetyThe T4H 250 TMD 32-320 4 pole circuit breaker is designed with a thermomagnetic release, ensuring reliable operation and quick response to short circuits. Its front terminals provide easy and secure connections, enhancing overall safety.
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2. Versatile Voltage CompatibilityThis circuit breaker supports applications up to 400V AC and 750V DC, making it suitable for a wide range of electrical installations. Its versatility ensures it can handle various voltage requirements with ease.
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3. Efficient Short-Circuit Breaking CapacityWith a rated service short-circuit breaking capacity of up to 70 kA at 400V AC, the T4H 250 TMD 32-320 4 pole circuit breaker efficiently handles short circuits, protecting your electrical system from damage.
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4. Durable ConstructionThe circuit breaker is built to last with a mechanical durability of 20,000 cycles at 240 cycles per hour. This ensures it can withstand frequent operations without compromising its performance.

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. Compact DesignDespite its robust features, the T4H 250 TMD 32-320 4 pole circuit breaker is designed to be compact, measuring 140 mm in width, 205 mm in height, and 103.5 mm in depth. Its compact size makes it ideal for space-constrained installations.

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 3.7 W

Rated Current (In)

32 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

1SDA054217R1