A1C 125 TMF 125-1250 4p F F

Name: A1C 125 TMF 125-1250 4p F F
Brand: ABB
SKU: A1C 125 TMF 125-1250 4p F F

The ABB A1C 125 TMF 125-1250 4p F F is a high-performance moulded case circuit breaker designed for reliable protection in electrical systems. It features a rated current of 125A and a short-circuit breaking capacity of 25kA, ensuring safe and efficient operation.

Product ModelA1C 125 TMF 125-1250 4p F F

Material Number1SDA066756R1

Product ID91329

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB A1C 125 TMF 125-1250 4p F F provides reliable protection against short circuits and overcurrents, ensuring the safety of your electrical system.
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2. High PerformanceWith a rated current of 125A and a short-circuit breaking capacity of 25kA, this circuit breaker delivers high performance in demanding electrical applications.
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3. Efficient OperationDesigned for efficient operation, the ABB A1C 125 TMF 125-1250 4p F F minimizes power loss and ensures consistent performance under various load conditions.
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4. Durable ConstructionBuilt with durable materials, this circuit breaker withstands 1500 electrical cycles, making it a long-lasting solution for your electrical needs.

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

101.6 mm

Product Net Height

130 mm

Product Net Depth / Length

60 mm

Product Net Weight

1 kg

Product Main Type

SACE FORMULA

5. Compliance with StandardsThe ABB A1C 125 TMF 125-1250 4p F F meets IEC standards, ensuring compliance with international safety and performance regulations, providing peace of mind in your electrical installations.

Moulded Case Circuit Breaker

Product Type

Automatic Circuit Breaker

Version

Electrical Durability

1500 cycle

Mechanical Durability

Nr. Operations 8500 cycle

Number of Poles

Opening Time

CB with SOR 15 ms CB with UVR 15 ms

Power Loss

at Rated Operating Conditions per Pole 11 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) 15 kA (380 V AC) 12.5 kA (415 V AC) 6.25 kA (440 V AC) 5 kA (480 V AC) 4 kA (500 V AC) 2.5 kA (250 V DC) 2 Poles in Series 5 kA

Rated Ultimate Short-Circuit Breaking Capacity (Icu)

(240 V AC) 30 kA (380 V AC) 25 kA (415 V AC) 25 kA (440 V AC) 20 kA (480 V AC) 15 kA (500 V AC) 8 kA (250 V DC) 10 kA

Rated Uninterrupted Current (Iu)

125 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

1SDA066756R1