A1N 125 TMF 90-900 3p F F

Name: A1N 125 TMF 90-900 3p F F
Brand: ABB
SKU: A1N 125 TMF 90-900 3p F F

The A1N 125 TMF 90-900 3p F F is a fixed, three-pole moulded case circuit breaker with front terminals and thermomagnetic release, ideal for industrial applications requiring reliable overcurrent protection.

Product ModelA1N 125 TMF 90-900 3p F F

Material Number1SDA066730R1

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Robust Overcurrent ProtectionThe A1N 125 TMF 90-900 3p F F provides reliable protection against overcurrents, ensuring the safety of electrical circuits and equipment in industrial settings.
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2. Thermomagnetic ReleaseEquipped with a thermomagnetic release (TMF), this circuit breaker automatically trips in case of excessive heat or current, ensuring quick and effective protection.
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3. Front Terminal ConnectionFeaturing front terminals, the A1N 125 TMF 90-900 3p F F offers easy and convenient connections, simplifying installation and maintenance processes.
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4. High DurabilityDesigned to withstand 1500 electrical cycles, this circuit breaker is built to last, providing long-term reliability in demanding industrial environments.

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

0.75 kg

Product Main Type

SACE FORMULA

5. Compliance with IEC StandardsThe A1N 125 TMF 90-900 3p F F meets IEC standards, ensuring compliance with international safety regulations and providing a high level of reliability and performance.

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 7 W

Rated Current (In)

Main Circuit 90 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

1SDA066730R1