Miniature Circuit Breaker Schneider Electric A9F03120

Name: Miniature Circuit Breaker Schneider Electric A9F03120
Brand: Schneider Electric
SKU: 3927668
Price: 9.49 EUR
Availability: InStock

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Miniature Circuit Breaker Schneider Electric A9F03120 — 20 A, 133 V, 10 kA, IP20, 18 mm

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Short description

Schneider Electric A9F03120 is a miniature circuit breaker rated 20 A and 133 V with a breaking capacity of 10,000 A. Designed for DIN-rail installation, it offers IP20 protection and compact dimensions (18 mm width, 78.5 mm depth, 91 mm height). Suitable for overcurrent protection in residential and light commercial electrical circuits.

Available for order: 301 pcs.

Warranty: 2 Years

SKU: 3927668

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Product information

Description

Schneider Electric A9F03120 is a miniature circuit breaker designed for overcurrent protection in residential and light commercial electrical installations. The device is rated for 20 A nominal current and operates at system voltages up to 133 V. With a rated breaking capacity of 10 kA and an IP20 degree of protection, this compact circuit breaker is intended for DIN-rail mounting and integrates into standard distribution boards while occupying only 18 mm of module width.

Advantages

The A9F03120 combines a compact 18 mm width with a high breaking capacity, allowing reliable interruption of short-circuit currents up to 10,000 A. Its DIN-rail mounting and standardized dimensions simplify installation and make it suitable for confined electrical panels. The IP20 protection rating provides basic protection against accidental contact with live parts, and the robust mechanical design supports consistent performance under normal operating conditions.

Suitable for

Overcurrent protection of lighting and socket circuits in homes
Protection of small commercial and office electrical circuits
Use in modular DIN-rail distribution boards and consumer units

Key specifications

Rated current: 20 A
Rated operational voltage: up to 133 V
Breaking capacity: 10 kA
Degree of protection: IP20
Mounting type: DIN-rail (standard rail-mounted enclosure)
Width: 18 mm
Depth: 78.5 mm
Height: 91 mm

How to use

Mount the circuit breaker onto a standard DIN rail inside the distribution board, ensuring the device is positioned and fastened according to local electrical regulations. Connect the line and load conductors to the appropriate terminals, tighten terminals to the manufacturer’s specified torque, and verify correct polarity and continuity before energizing the circuit. Use the breaker as the primary overcurrent protective device for the circuit, and operate the toggle to switch the circuit on or off during maintenance when power is isolated upstream.

Recommendations for use

Install and commission the device following national electrical codes and Schneider Electric installation instructions. Confirm compatibility with circuit characteristics and upstream protection devices, periodically inspect terminals for tightness, and replace the breaker if it shows signs of mechanical damage or repeated tripping that indicates underlying circuit faults.

Specifications

Weight:: 0.125 kg
Product colour:: White

All features

Storage temperature (T-T):: -40 - 85
Breaking capacity:: 10000 A
Pollution degree:: 3
Circuit breaker type:: Miniature circuit breaker

Power

Rated current:: 20 A
Rated voltage:: 133 V

Weight & dimensions

Weight:: 0.125 kg
Height:: 91 mm
Width:: 18 mm
Depth:: 78.5 mm

Design

Certification:: EN 60898-1, EN 60947-2, IEC 60898-1, IEC 60947-2
Product colour:: White
International Protection (IP) code: Device protection rating against dust and water according to the international IP standard.: IP20

Features

Operating temperature (T-T):: -35 - 70
Number of poles:: 1

Technical details

Sustainability certificates:: RoHS

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FAQ

How much does the Miniature Circuit Breaker Schneider Electric A9F03120 cost, and is it available for purchase?

The price is 9.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 301 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 09.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

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Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Schneider Electric products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Schneider Electric service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

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