IC60N Circuit Breaker 3P 16A Curve C 10kA

The Schneider Electric Acti9 iC60N A9F79316 circuit breaker is a modular automatic breaker with 3 protected poles, 16 A and C tripping curve, designed to protect three-phase electrical circuits against overloads and short circuits. It offers a rated breaking capacity of 6 kA at 400 V according to IEC/EN 60898-1 and an ultimate breaking capacity Icu of 10 kA at 380-415 V according to IEC/EN 60947-2, combining high protection performance with a compact format for DIN rail mounting.

This breaker belongs to Schneider Electric's Acti9 iC60N range and incorporates technologies such as VisiTrip, which makes it easy to identify a tripped circuit, and VisiSafe, which allows visual verification of the physical opening of the contacts. Its C curve makes it suitable for numerous distribution applications with general-purpose loads and moderate inrush currents.

16 A three-phase circuit breaker

Reference A9F79316 features 3 poles and 3 protected poles, allowing simultaneous protection and disconnection of the three phases of a three-phase circuit.

Its rated current is 16 A and it uses a thermal-magnetic tripping technology that combines two protection systems:

• Thermal protection: acts against sustained overloads that could cause excessive heating of the conductors.
• Magnetic protection: intervenes quickly in the event of high currents generated by a short circuit.

C curve for general-purpose applications

The Schneider Electric A9F79316 incorporates a C tripping curve, commonly used in distribution circuits that may present moderate transient currents when certain loads are switched on.

The C curve can be used, when the installation design allows it, in applications such as:

• General distribution circuits.
• Lighting.
• Small motors.
• Pumps.
• HVAC equipment.
• Moderate inductive loads.
• Commercial and tertiary installations.
• Three-phase electrical panels.

The final selection should be made taking into account the load starting current, circuit impedance and the disconnection conditions required by the installation.

6 kA breaking capacity according to IEC/EN 60898-1

In accordance with IEC/EN 60898-1, Schneider Electric specifies for this reference a rated breaking capacity Icn of 6,000 A at 400 V AC.

This value expresses the ability of the circuit breaker to interrupt a short-circuit current under the test conditions established by that standard.

The breaking capacity of the breaker must always be equal to or greater than the prospective short-circuit current at the installation point.

10 kA at 400 V according to IEC/EN 60947-2

According to IEC/EN 60947-2, commonly used for industrial and professional applications, the ultimate breaking capacity Icu varies depending on the voltage.

• 220-240 V AC: Icu of 20 kA.
• 380-415 V AC: Icu of 10 kA.
• 440 V AC: Icu of 6 kA.

For this reason, reference A9F79316 may be commercially described as a 6 kA / 10 kA circuit breaker. Both values are correct and correspond to different standards and test conditions.

Energy limiting class 3

The Acti9 iC60N has energy limiting class 3 according to IEC/EN 60898-1.

This feature helps reduce the energy passing through the circuit during a short circuit, decreasing the thermal and electrodynamic stresses borne by cables, busbars and downstream equipment.

VisiTrip for quick trip identification

Schneider Electric's VisiTrip technology provides a visual indication of breaker tripping.

In panels with multiple circuits, this signalling makes it easier to locate the affected circuit breaker and facilitates diagnosis and maintenance tasks.

VisiSafe to verify contact opening

The VisiSafe system incorporates a green band that allows visual verification that the device contacts are physically open.

This feature improves clarity during maintenance operations and is complemented by the suitability for industrial isolation according to IEC/EN 60947-2 declared by Schneider Electric.

Fast closing mechanism

The Acti9 iC60N range incorporates a fast closing system that makes the contact closing speed independent of the speed at which the user operates the handle.

This design helps reduce contact wear during switching and helps maintain consistent performance throughout the service life of the breaker.

400 V operating voltage

The A9F79316 is designed for use in AC networks and certain DC configurations.

Its main electrical characteristics include:

• Rated reference voltage: 400 V AC.
• Frequency: 50/60 Hz.
• Rated insulation voltage Ui: 500 V AC.
• Impulse withstand voltage Uimp: 6 kV.
• Overvoltage category: IV.
• Pollution degree: 3.

Modular DIN rail mounting

The Schneider Electric A9F79316 is designed to be clip-mounted on a DIN rail, making it easy to integrate into modular electrical panels.

The breaker occupies:

• 3 modules of 18 mm.
• 6 steps of 9 mm.
• Total width: 54 mm.

It can be installed alongside other miniature circuit breakers, residual current devices, surge protection devices and auxiliary devices from the Acti9 range.

Compatible with comb busbars and distribution blocks

The iC60N design allows the use of compatible comb busbars and distribution blocks both at the top and bottom of the circuit breaker.

This helps simplify wiring in panels with multiple breakers and allows for neater, more compact distributions.

Terminals for conductors up to 25 mm²

As a 16 A reference, Schneider Electric specifies the following connection capacities:

• Rigid conductor: 1 to 25 mm².
• Flexible conductor: 1 to 16 mm².
• Strip length: 14 mm.
• Tightening torque: 2 Nm.

Connections can be made from the top or bottom and must be carried out respecting the cross-sections and tightening torques indicated by the manufacturer.

Dimensions of the Schneider Electric A9F79316

• Height: 85 mm.
• Width: 54 mm.
• Depth: 78.5 mm.
• Modular width: 3 modules of 18 mm.
• Weight: approximately 0.375 kg.
• Color: white.

Its compact format allows a complete three-phase protection to be integrated while occupying only three standard modules inside the panel.

Mechanical and electrical durability

Schneider Electric specifies a high service life for the Acti9 iC60N mechanism:

• Mechanical durability: up to 20,000 cycles.
• Electrical durability: up to 10,000 cycles.

These features make it suitable for installations subject to regular switching, disconnection, testing and maintenance operations.

IP20 protection rating

The circuit breaker has an IP20 protection rating according to IEC/EN 60529.

Once installed inside a suitable modular enclosure of class II insulation, the assembly can achieve a higher protection rating, such as IP40, depending on the characteristics of the panel used.

Wide operating temperature range

The A9F79316 is designed to operate in demanding environmental conditions:

• Operating temperature: -35 to 70 °C.
• Storage temperature: -40 to 85 °C.
• Relative humidity: up to 95% at 55 °C.
• Maximum operating altitude: approximately 2,000 m.

Compatible with Acti9 auxiliaries and Vigi blocks

The iC60N range can be complemented with different Schneider Electric accessories to expand the functions of the panel.

Compatible options include:

• Auxiliary contacts.
• Trip signalling contacts.
• Auxiliary coils.
• Remote control and monitoring devices.
• Control accessories.
• Compatible Vigi residual current blocks.

This means the circuit breaker can be integrated into more complete protection solutions when the installation requires residual current protection or other auxiliary functions.

Technical characteristics of the Schneider Electric A9F79316

• Brand: Schneider Electric.
• Reference: A9F79316.
• Range: Acti9.
• Model: iC60N.
• Type: modular thermal-magnetic circuit breaker.
• Number of poles: 3P.
• Protected poles: 3.
• Rated current In: 16 A.
• Tripping curve: C.
• Tripping technology: thermal-magnetic.
• Breaking capacity Icn at 400 V according to IEC/EN 60898-1: 6 kA.
• Icu at 220-240 V according to IEC/EN 60947-2: 20 kA.
• Icu at 380-415 V according to IEC/EN 60947-2: 10 kA.
• Icu at 440 V according to IEC/EN 60947-2: 6 kA.
• Limiting class: 3.
• Rated voltage: 400 V.
• Frequency: 50/60 Hz.
• Insulation voltage Ui: 500 V.
• Impulse withstand voltage Uimp: 6 kV.
• Overvoltage category: IV.
• Pollution degree: 3.
• VisiTrip: yes.
• VisiSafe: yes.
• Contact position indicator: yes.
• Suitable for industrial isolation: yes.
• Mounting: DIN rail.
• Comb compatibility: top and bottom.
• Rigid conductors: 1-25 mm².
• Flexible conductors: 1-16 mm².
• Strip length: 14 mm.
• Tightening torque: 2 Nm.
• Width: 54 mm.
• Height: 85 mm.
• Depth: 78.5 mm.
• Modular width: 3 modules of 18 mm.
• Weight: approximately 0.375 kg.
• Protection rating: IP20.
• Mechanical durability: 20,000 cycles.
• Electrical durability: 10,000 cycles.
• Operating temperature: -35 to 70 °C.
• Storage temperature: -40 to 85 °C.
• EAN: 3606480093326.
• Main standards: IEC/EN 60898-1 and IEC/EN 60947-2.

Compact three-phase protection for electrical panels

The Schneider Electric Acti9 iC60N A9F79316 provides 16 A thermal-magnetic protection for three-phase circuits in a compact format of only 54 mm width. The C curve offers suitable behavior for numerous general-purpose loads, while its three protected poles allow the three phases to be disconnected together.

Its combination of 6 kA according to IEC/EN 60898-1 and 10 kA at 380-415 V according to IEC/EN 60947-2, together with VisiTrip, VisiSafe, energy limiting class 3 and compatibility with Acti9 accessories, makes it a complete solution for residential, tertiary and professional electrical panels.

Important: before installing the circuit breaker, the circuit design current, conductor cross-section and capacity, prospective short-circuit current, required tripping curve and coordination with the rest of the installation protection devices must be checked.