A1N 125 TMF 20-400 1p F F

Name: A1N 125 TMF 20-400 1p F F
Brand: ABB
SKU: A1N 125 TMF 20-400 1p F F

The ABB A1N 125 TMF 20-400 1p F F is a compact, efficient moulded case circuit breaker with adjustable protection settings from 20 to 400A. Ideal for industrial and commercial use, it features front terminals for easy installation and maintenance.

Product ModelA1N 125 TMF 20-400 1p F F

Material Number1SDA066686R1

Product ID92991

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Compact and Efficient DesignThe ABB A1N 125 TMF 20-400 1p F F is designed for space-saving installations, making it perfect for applications where space is limited.
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2. Adjustable Protection SettingsWith adjustable protection settings from 20 to 400A, this breaker provides flexible and reliable circuit protection to meet various electrical system requirements.
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3. Thermomagnetic Release (TMF)Equipped with a thermomagnetic release, this breaker ensures reliable operation under different conditions, providing enhanced safety in industrial and commercial settings.
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4. Easy Installation and MaintenanceFeaturing front terminals, the ABB A1N 125 TMF 20-400 1p F F offers easy installation and maintenance, reducing downtime and increasing overall efficiency.

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

25.4 mm

Product Net Height

130 mm

Product Net Depth / Length

60 mm

Product Net Weight

0.25 kg

Product Main Type

SACE FORMULA

5. Durable PerformanceDesigned to withstand 1500 cycles, this breaker ensures long-lasting performance and durability 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 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

415 V AC 125 V DC

Rated Service Short-Circuit Breaking Capacity (Ics)

(240 V AC) 12.5 kA (380 V AC) 2.5 kA (415 V AC) 1.25 kA

Rated Ultimate Short-Circuit Breaking Capacity (Icu)

(240 V AC) 25 kA (380 V AC) 5 kA (415 V AC) 5 kA (125 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

1SDA066686R1