In a well-designed electrical installation, protection has to be matched to the actual behaviour of the circuit. Rated current, number of poles, tripping characteristic, prospective fault current, and installation conditions all affect the way a circuit breaker performs when the system is exposed to abnormal electrical conditions.

The Schneider Electric A9F93306 is an Acti9 iC60L miniature circuit breaker configured with three protected poles and a rated current of 6 A. Its B-curve thermal-magnetic trip unit is intended to provide protection against overload and short-circuit conditions in circuits where a relatively sensitive tripping characteristic is required.

The 6 A rating places this model in a range commonly associated with smaller electrical circuits rather than heavy power feeders. This makes accurate coordination between the breaker, conductor cross-section, connected load, and upstream protection particularly important. A circuit breaker should always be selected according to the electrical characteristics of the complete circuit rather than its current rating in isolation.

The B-curve characteristic gives the A9F93306 a defined response to short-duration high-current events. The magnetic trip threshold is approximately 3 to 5 times the rated current, allowing the breaker to respond relatively quickly to fault currents while remaining appropriate for circuits where substantial starting currents are not normally expected.

The three-pole construction provides protection across three conductors through a single modular device. This arrangement is useful in three-phase installations where coordinated switching and protection are required without occupying separate positions for individual single-pole breakers.

One of the most notable characteristics of the A9F93306 is its interruption capability. Schneider Electric specifies a 15 kA rated short-circuit breaking capacity at 400 V AC, 50/60 Hz according to EN/IEC 60898-1, while the breaker reaches 25 kA Icu at 380–415 V AC according to EN/IEC 60947-2. At 220–240 V AC, the specified Icu reaches 25 kA, while different values apply at other operating voltages.

The device is also designed for use as an isolating device according to the applicable IEC/EN standards. Its Acti9 architecture incorporates features such as VisiTrip, which assists with identifying a tripped circuit, and VisiSafe, which provides an enhanced indication of the safe isolation condition. Compatible auxiliary devices, remote monitoring equipment, and Vigi residual-current protection can also be added where the electrical installation requires additional functionality.

Schneider Electric A9F93306 Technical Specifications

The technical profile of the A9F93306 is defined by its 6 A rated current, three protected poles, and B-curve thermal-magnetic protection. These characteristics determine the type of circuit for which the breaker can be considered and how it behaves during overload and short-circuit conditions.

Its interruption rating is particularly important when the device is installed in a distribution board with a relatively high prospective short-circuit current. The 15 kA Icn rating under IEC 60898-1 and the 25 kA Icu rating at 380–415 V AC under IEC 60947-2 provide substantial fault interruption capability for a breaker with a 6 A nominal current.

Rated Current – 6 A

The 6 A rated current establishes the nominal current level for the A9F93306. It is intended for electrical circuits where the continuous operating current and conductor capacity are compatible with this protection level.

A 6 A breaker can be particularly useful where individual circuits need to be separated from larger distribution feeders. Correct selection still requires consideration of cable characteristics, installation method, ambient temperature, load behaviour, and coordination with other protective devices.

B-Curve Tripping Characteristic

The A9F93306 uses a B-curve characteristic, with the magnetic tripping range generally positioned between 3 and 5 times the rated current. For a 6 A device, this corresponds to a magnetic response range of approximately 18–30 A.

This characteristic is suited to circuits where high temporary inrush currents are limited. It provides a comparatively sensitive response to fault currents while reducing the likelihood of nuisance operation under the normal operating conditions expected from compatible loads.

Three-Pole Configuration

The A9F93306 has three protected poles, allowing three-phase circuits to be protected through a single coordinated breaker.

A three-pole arrangement also keeps the protection system compact and simplifies the physical organisation of modular electrical panels. The suitability of the configuration depends on the circuit topology and the requirements for conductor disconnection within the installation.

Short-Circuit Breaking Capacity

The A9F93306 has a 15 kA Icn at 400 V AC, 50/60 Hz according to EN/IEC 60898-1. Under EN/IEC 60947-2, the ultimate breaking capacity is 25 kA at 380–415 V AC and 25 kA at 220–240 V AC. The applicable Icu value changes according to the operating voltage and network configuration.

These values represent the breaker’s tested ability to interrupt fault currents under defined standard conditions. The prospective short-circuit current at the actual installation point should be calculated or measured as part of the protection design.

Thermal-Magnetic Protection

The A9F93306 combines two protection mechanisms within the same trip unit. Thermal protection responds to sustained overload conditions, while magnetic protection reacts rapidly when the current reaches the specified instantaneous tripping range.

This combination allows one device to address both common forms of overcurrent without requiring separate overload and short-circuit protection equipment.

Electrical Isolation

The A9F93306 is suitable for electrical isolation according to the applicable IEC/EN 60898-1 and IEC/EN 60947-2 requirements. This function is important during maintenance because the circuit breaker can form part of the isolation arrangement when the installation is designed and operated according to the relevant standards.

VisiTrip and VisiSafe Functions

The Acti9 iC60L platform incorporates VisiTrip for rapid identification of a tripped circuit and VisiSafe for enhanced circuit protection and isolation indication. These features can make fault identification and maintenance procedures more efficient in modular distribution equipment.

Features and Benefits of the Schneider Electric A9F93306

The A9F93306 is built around a compact protection architecture intended for professional low-voltage installations. Its combination of a 6 A rating, three protected poles, and B-curve thermal-magnetic protection provides a defined electrical response for circuits that require relatively low-current protection.

The high short-circuit interruption capability is another important characteristic. A 6 A nominal rating does not mean that the breaker is intended only for installations with low fault levels. Its applicable breaking capacity allows it to be considered for circuits where the prospective fault current is significantly higher, provided that the actual installation conditions remain within the specified limits.

The Acti9 iC60L platform also provides a modular approach to protection. Auxiliary equipment, remote monitoring solutions, and Vigi residual-current devices can be incorporated when additional protection or signalling functions are required.

Key Benefits

The A9F93306 provides coordinated three-pole protection for suitable low-current circuits while combining overload and short-circuit protection in a single device. Its B-curve characteristic gives it a defined instantaneous response for circuits with limited inrush current, while the high interruption rating provides substantial fault-handling capability.

The modular DIN-rail design, isolation capability, VisiTrip and VisiSafe functions, and compatibility with additional Acti9 devices make the A9F93306 suitable for electrical assemblies where protection, maintenance access, and circuit identification need to work together.

Applications of the Schneider Electric A9F93306 Miniature Circuit Breaker

The A9F93306 can be considered for electrical systems where a 6 A rated current, three-pole configuration, and B-curve response correspond to the requirements of the protected circuit.

Industrial Control Panels

Industrial control panels often contain several individual circuits with different current requirements. A dedicated three-pole 6 A breaker can provide independent protection for suitable auxiliary or control circuits while keeping the panel layout organised.

Automation Equipment

Automation systems contain control components, power supplies, instrumentation, and auxiliary devices that may require individual circuit protection. The A9F93306 can be incorporated into suitable three-phase sections where its B-curve response matches the operating characteristics of the equipment.

Small Three-Phase Loads

Certain three-phase loads operate at relatively modest current levels and require dedicated protection rather than a high-rated feeder breaker. The three-pole construction of the A9F93306 provides a compact solution for these applications when the 6 A rating is appropriate.

Auxiliary Industrial Circuits

Auxiliary systems support the operation of larger electrical installations and machinery. Dedicated protection can limit the effect of a fault within an auxiliary circuit and make troubleshooting more straightforward.

Distribution Boards

The A9F93306 can be installed in suitable low-voltage distribution boards to protect outgoing circuits. Its 15 kA Icn at 400 V AC provides a significant short-circuit interruption capability for installations that fall within its specified ratings.

Building Electrical Installations

Commercial and small-building electrical systems may contain individual circuits that require 6 A protection. The three-pole configuration can be used where the electrical architecture calls for coordinated protection across three conductors.

Why Buy the Schneider Electric A9F93306?

The Schneider Electric A9F93306 offers a specific combination of 6 A rated current, three protected poles, B-curve tripping, and thermal-magnetic protection. These characteristics make it important to select the device according to the actual circuit design rather than simply comparing nominal voltage or physical dimensions.

Its interruption performance is also significant. The breaker provides 15 kA Icn at 400 V AC under IEC 60898-1 and 25 kA Icu at 380–415 V AC under IEC 60947-2, giving the device substantial fault interruption capability for its nominal current class.

Advantages of Choosing the Right Model

Correct circuit protection depends on matching the breaker to the conductor, load, fault level, and expected operating behaviour. The A9F93306 provides a defined 6 A B-curve solution for applications where three protected poles are required.

Its thermal-magnetic protection, isolation capability, fault indication features, modular construction, and Acti9 accessory compatibility make it a practical component for professionally designed low-voltage electrical systems.

Buy the Schneider Electric A9F93306 from GeeTech

Selecting the correct Schneider Electric reference is particularly important when purchasing miniature circuit breakers because products within the same Acti9 family can have different current ratings, pole configurations, tripping curves, and breaking capacities.

GeeTech supplies Schneider Electric equipment for industrial electrical installations, control panels, distribution systems, replacement requirements, and international procurement, including sourcing for the A9F93306 reference.

Why Purchase from GeeTech?

GeeTech supports international customers with product sourcing, quotation services, technical assistance, and worldwide shipping. Requirements can include individual replacement units as well as larger quantities for industrial projects and electrical panel manufacturing.

Schneider Electric A9F93306 Price

The price of the Schneider Electric A9F93306 depends on factors including availability, order quantity, market conditions, logistics costs, and currency fluctuations.

Because Schneider Electric shows different commercial statuses for this reference across regional websites, current availability should be confirmed for the required destination before purchasing. The South Africa and Nigeria Schneider Electric pages identify the reference as discontinued from 1 December 2024, while the French page currently lists it as commercially available.

Frequently Asked Questions About the Schneider Electric A9F93306

The Schneider Electric A9F93306 is an Acti9 iC60L 3-pole miniature circuit breaker rated at 6 A with a B-curve thermal-magnetic trip unit. It is designed for suitable low-voltage AC and DC networks.

What is the rated current of the A9F93306?

The rated current is 6 A. The breaker should be selected when this rating corresponds to the continuous load, conductor capacity, and protection requirements of the circuit.

How many poles does the A9F93306 have?

The A9F93306 has 3 poles, with all three poles protected.

What tripping curve does the A9F93306 use?

The device uses a B-curve characteristic. The magnetic tripping range is approximately 3 to 5 times the rated current.

What is the breaking capacity of the A9F93306?

The breaker provides 15 kA Icn at 400 V AC according to EN/IEC 60898-1 and 25 kA Icu at 380–415 V AC according to EN/IEC 60947-2.

Does the A9F93306 provide overload protection?

Yes. The thermal-magnetic trip unit combines overload and short-circuit protection within the same circuit breaker.

Is the A9F93306 suitable for three-phase circuits?

Yes. Its three-pole configuration is designed for suitable three-phase applications where the 6 A rating and B-curve characteristic meet the circuit requirements.

Can the A9F93306 be used for electrical isolation?

Yes. Schneider Electric specifies the device as suitable for isolation according to the relevant IEC/EN standards.

Does the A9F93306 support additional accessories?

The Acti9 iC60L platform supports auxiliary devices, remote monitoring solutions, and Vigi residual-current protection devices.

What is the mounting method of the A9F93306?

The A9F93306 is designed for DIN-rail mounting, making it suitable for modular electrical distribution boards and control panels.

Is the A9F93306 still available?

Commercial status depends on the market. Schneider Electric regional pages currently show different statuses, with some regions identifying the reference as discontinued while another regional page lists it as commercially available. Availability should therefore be confirmed for the intended market.

Can GeeTech supply the A9F93306 internationally?

GeeTech provides international sourcing and worldwide shipping for industrial electrical equipment. Availability, pricing, and delivery conditions can be confirmed according to the required quantity and destination.

Conclusion: Why Choose the Schneider Electric A9F93306?

The Schneider Electric A9F93306 Miniature Circuit Breaker is a 3-pole, 6 A device from the Acti9 iC60L range, combining B-curve thermal-magnetic protection with a 15 kA Icn at 400 V AC and 25 kA Icu at 380–415 V AC. This combination gives the breaker a defined protection profile for suitable low-current three-phase circuits.

Its three protected poles, isolation capability, VisiTrip and VisiSafe functions, DIN-rail construction, and compatibility with Acti9 accessories make it suitable for appropriately designed control panels, distribution boards, automation systems, auxiliary circuits, and other low-voltage applications.

Because commercial availability differs between Schneider Electric regional markets, checking the current status of the exact A9F93306 reference is advisable when the original product code is required.