A1C 125 TMF 20-400 4p F F

Name: A1C 125 TMF 20-400 4p F F
Brand: ABB
SKU: A1C 125 TMF 20-400 4p F F

The A1C 125 TMF 20-400 4p F F is a fixed four-pole moulded case circuit breaker with front terminals and thermomagnetic release, ideal for industrial settings requiring reliable and efficient electrical protection.

Product ModelA1C 125 TMF 20-400 4p F F

Material Number1SDA066746R1

Product ID93429

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable OperationThe A1C 125 TMF 20-400 4p F F is designed with a thermomagnetic release mechanism, ensuring reliable operation under various electrical conditions.
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2. High PerformanceWith a rated current of 20 A, this circuit breaker is suitable for a wide range of industrial applications, providing efficient electrical protection.
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3. Front Terminal ConnectionThe front terminal connection makes installation and maintenance easier, reducing downtime and increasing overall efficiency.
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4. Robust DesignConstructed with high-quality materials, the A1C 125 TMF 20-400 4p F F is built to withstand harsh industrial environments, ensuring long-lasting performance.
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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 StandardsThis product meets international standards for electrical safety and performance, providing peace of mind for users in compliance with regulatory requirements.

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 3 W

Rated Current (In)

Main Circuit 20 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

1SDA066746R1