A1N 125 TMF 50-500 4p F F

Name: A1N 125 TMF 50-500 4p F F
Brand: ABB
SKU: A1N 125 TMF 50-500 4p F F

The ABB A1N 125 TMF 50-500 4P FF is a high-performance, 4-pole circuit breaker with a rated current of 50 A and a withstand voltage of 690 V. It features thermomagnetic release and front terminal connections, ensuring reliable electrical protection.

Product ModelA1N 125 TMF 50-500 4p F F

Material Number1SDA066762R1

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High-Performance DesignThe ABB A1N 125 TMF 50-500 4P FF is engineered to provide superior performance in electrical protection, ensuring reliable operation under various conditions.
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2. Thermomagnetic ReleaseEquipped with a thermomagnetic release (TMF) mechanism, this circuit breaker automatically trips in case of an overload or short circuit, providing instant protection.
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3. Front Terminal ConnectionsThe front terminal connections make it easy to install and maintain, reducing downtime and increasing efficiency in electrical systems.
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4. Compliance with International StandardsThe product adheres to IEC standards and is compliant with EU Directive 2011/65/EU and Amendment 2015/863, ensuring it meets the highest safety and performance standards.

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. Durable and Long-LastingDesigned to withstand up to 1500 electrical cycles and 8500 mechanical cycles, the ABB A1N 125 TMF 50-500 4P FF is built to last, providing long-term reliability in demanding electrical environments.

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 5.5 W

Rated Current (In)

Main Circuit 50 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) 50 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) 100 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

Object Classification Code

WEEE Category

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

eClass

V11.1 : 27370409

Manufacturer ID

1SDA066762R1