A2B 250 TMF 125-1250 3p F F

Name: A2B 250 TMF 125-1250 3p F F
Brand: ABB
SKU: A2B 250 TMF 125-1250 3p F F

The ABB A2B 250 TMF 125-1250 3P FF circuit breaker provides robust protection with a rated current of 250 A and a thermomagnetic release. Suitable for industrial use, it ensures reliable operation with front terminals.

Product ModelA2B 250 TMF 125-1250 3p F F

Material Number1SDA066548R1

Product ID93435

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB A2B 250 TMF 125-1250 3P FF circuit breaker is designed to provide reliable protection against electrical faults, ensuring the safety of your equipment and personnel.
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2. High Current CapacityWith a rated current of 250 A, this circuit breaker is suitable for high-power applications, making it an ideal choice for industrial settings.
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3. Thermomagnetic ReleaseThe thermomagnetic release mechanism ensures that the circuit breaker trips quickly and reliably in case of an overload or short circuit, providing swift protection.
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4. Front TerminalsThe front terminals of the ABB A2B 250 TMF 125-1250 3P FF circuit breaker offer easy and convenient connection points, simplifying the installation process.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Environmental Information

1SDL000183R0001 9AKK108467A6707

Product Net Width

105 mm

Product Net Height

150 mm

Product Net Depth / Length

60 mm

Product Net Weight

1.3 kg

Product Main Type

SACE FORMULA

5. Durable ConstructionBuilt to withstand 4000 electrical cycles, this circuit breaker is designed for long-lasting performance and durability in demanding industrial environments.

Moulded Case Circuit Breaker

Product Type

Automatic Circuit Breaker

Version

Electrical Durability

4000 cycle

Mechanical Durability

10000 cycle

Number of Poles

Opening Time

CB with SOR 15 ms CB with UVR 15 ms

Power Loss

at Rated Operating Conditions per Pole 7 W

Rated Current (In)

Main Circuit 125 A

Rated Impulse Withstand Voltage (Uimp)

6 kV

Rated Insulation Voltage (Ui)

690 V

Rated Operational Voltage

550 V AC 250 V DC

Rated Service Short-Circuit Breaking Capacity (Ics)

(240 V AC) 12.5 kA (380 V AC) 9 kA (415 V AC) 9 kA (440 V AC) 7.5 kA (480 V AC) 7.5 kA (500 V AC) 2.5 kA (250 V DC) 2 Poles in Series 9 kA

Rated Ultimate Short-Circuit Breaking Capacity (Icu)

(240 V AC) 25 kA (380 V AC) 18 kA (415 V AC) 18 kA (440 V AC) 15 kA (480 V AC) 15 kA (500 V AC) 5 kA (250 V DC) 2 Poles in Series 18 kA

Rated Uninterrupted Current (Iu)

250 A

Release

TMF

Release Type

Short-Circuit Performance Level

Standards

IEC

Sub-type

Terminal Connection Type

Front

ETIM 8

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

ETIM 9

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

Object Classification Code

WEEE Category

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

eClass

V11.1 : 27370409

Manufacturer ID

1SDA066548R1