A1N 125 TMF 20-400 2p F F

Name: A1N 125 TMF 20-400 2p F F
Brand: ABB
SKU: A1N 125 TMF 20-400 2p F F

The ABB A1N 125 TMF 20-400 2p F F is a high-quality, thermomagnetic moulded case circuit breaker with a 20 A rated current and 36 kA short circuit breaking capacity. It is designed for reliable electrical distribution in various applications.

Product ModelA1N 125 TMF 20-400 2p F F

Material Number1SDA066497R1

Product ID82631

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable PerformanceThe ABB A1N 125 TMF 20-400 2p F F offers reliable performance with its thermomagnetic trip mechanism, ensuring consistent and safe operation under various electrical conditions.
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2. High Short Circuit Breaking CapacityWith a short circuit breaking capacity of 36 kA at 415 V AC, this circuit breaker can handle high fault currents, protecting your electrical system effectively.
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3. Compact DesignThe compact design of the ABB A1N 125 TMF 20-400 2p F F makes it ideal for space-constrained applications, providing efficient electrical distribution without compromising on performance.
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4. Front Terminal ConnectionThe front terminal connection simplifies installation and maintenance, allowing for easy access to the circuit breaker's terminals without needing to open the enclosure.

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

50.8 mm

Product Net Height

130 mm

Product Net Depth / Length

60 mm

Product Net Weight

0.533 kg

Product Main Type

SACE FORMULA

5. Compliance with International StandardsThe ABB A1N 125 TMF 20-400 2p F F complies with international standards, ensuring that it meets the necessary safety and performance requirements for various electrical 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 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) 25 kA (380 V AC) 18 kA (415 V AC) 7.5 kA (440 V AC) 6.25 kA (480 V AC) 4.5 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) 50 kA (380 V AC) 36 kA (415 V AC) 36 kA (440 V AC) 25 kA (480 V AC) 18 kA (500 V AC) 10 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

IDEA Granular Category Code (IGCC)

4927 >> Molded case circuit breakers

Object Classification Code

UNSPSC

39121616

WEEE Category

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

eClass

V11.1 : 27370409

Manufacturer ID

1SDA066497R1