A1C 125 TMF 125-1250 3p F F

Name: A1C 125 TMF 125-1250 3p F F
Brand: ABB
SKU: A1C 125 TMF 125-1250 3p F F

Short Description: Reliable 3-pole moulded case circuit breaker with 125 A rated current, 63 kA short-circuit making capacity, and IEC compliance for transformer, generator, and installation protection.

Product ModelA1C 125 TMF 125-1250 3p F F

Material Number1SDA066720R1

Product ID71640

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High-Performance ProtectionThe A1C 125 TMF 125-1250 3p F F offers robust protection against short circuits, with a short-circuit making capacity of up to 63 kA, ensuring reliable operation in demanding electrical environments.
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2. Comprehensive Safety FeaturesEquipped with thermal-magnetic (TMF) release technology, this circuit breaker provides both thermal and magnetic protection, ensuring safe operation under various load conditions.
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3. Efficient DesignWith a power loss of 11 W per pole at rated operating conditions, the A1C 125 TMF 125-1250 3p F F is designed to minimize energy consumption while maintaining high performance.
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4. Durable ConstructionBuilt to withstand 1500 electrical cycles and 8500 mechanical cycles, this circuit breaker is engineered for long-lasting reliability in harsh industrial settings.

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

76.2 mm

Product Net Height

130 mm

Product Net Depth / Length

60 mm

Product Net Weight

0.789 kg

Product Main Type

SACE FORMULA

5. Compliance with International StandardsMeets IEC 60947-2 standards, ensuring compliance with international safety and efficiency regulations, making it a trusted choice for global applications.

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

1SDA066720R1