A9F79440

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The Schneider A9F79440 is a high-performance miniature circuit breaker (MCB) designed for reliable electrical distribution and protection in both residential and commercial applications. Part of the Acti9 iC60N range, this 4-pole circuit breaker is engineered to handle a rated current of 40A, making it suitable for a variety of electrical systems. It features a C curve tripping characteristic, which is ideal for protecting circuits with moderate inrush currents, such as lighting and general power distribution.

The A9F79440 is built with thermal-magnetic trip unit technology, ensuring precise and efficient circuit interruption. It boasts a breaking capacity of 6000A at 400 V AC, conforming to IEC/EN 60898-1 standards, and up to 10kA at 380-415 V AC according to IEC/EN 60947-2 standards, providing robust protection against overloads and short circuits.

Designed for ease of installation, this MCB can be mounted on a DIN rail and is compatible with both top and bottom comb busbars and distribution blocks. It includes a toggle control type and a trip indicator for straightforward operation and status monitoring. The device is also equipped with a contact position indicator for enhanced safety and usability.

With a compact design, the Schneider A9F79440 measures 85mm in height, 72mm in width, and 78.5mm in depth, and weighs 0.5 kg. It is constructed to withstand a wide range of environmental conditions, with an operating temperature range of -35 to 70°C and an IP20 degree of protection. The MCB is also compliant with various international standards, including IEC 60947-2 and EN 60898-1, ensuring high quality and reliability in diverse applications.
Specification Description
Part Number A9F79440
Manufacturer Schneider
Product Name Acti9 iC60N Miniature Circuit Breaker
Device Application Distribution
Poles Description 4P
Number of Protected Poles 4
Rated Current 40 A
Network Type AC/DC
Trip Unit Technology Thermal-magnetic
Curve Code C
Breaking Capacity 6000 A at 400 V AC 50/60 Hz (EN/IEC 60898-1)
Rated Insulation Voltage 500 V AC 50/60 Hz
Rated Impulse Withstand Voltage 6 kV
Control Type Toggle
Mounting Mode Fixed
Mounting Support DIN rail
IP Degree of Protection IP20
Pollution Degree 3
Overvoltage Category IV
Mechanical Durability 20,000 cycles
Electrical Durability 10,000 cycles
Operating Altitude 0...2000 m
Ambient Air Temperature for Operation -35…70 °C
Ambient Air Temperature for Storage -40…85 °C
Sustainable Offer Status Green Premium product
Compliance Compliant with EU RoHS Directive, Mercury free, Halogen free

The Schneider A9F79440 is a high-performance miniature circuit breaker designed for reliable distribution applications. Part of the Acti9 iC60N series, this 4-pole breaker features a thermal-magnetic trip unit and a C curve, making it suitable for a wide range of electrical systems. With a rated current of 40 A and a breaking capacity of 6000 A at 400 V AC, it ensures robust protection and operational efficiency. The device is designed for easy installation on DIN rails and offers excellent durability with a mechanical lifespan of 20,000 cycles. Its compliance with environmental standards, including the EU RoHS Directive, underscores its commitment to sustainability.

What type of device is this part?

This part is a miniature circuit breaker (MCB) from the Acti9 iC60N range.

What is the primary application of this part?

The primary application of this part is for distribution in electrical systems.

What is the rated current for this part?

The rated current for this part is 40A.

How many poles does this part have?

This part has 4 poles.

What is the breaking capacity of this part?

The breaking capacity is 6000A at 400 V AC 50/60 Hz conforming to EN/IEC 60898-1.

What type of tripping technology does this part use?

This part uses thermal-magnetic tripping technology.

Is this part suitable for isolation?

Yes, this part is suitable for isolation conforming to EN 60898-1 and IEC 60947-2.

What is the IP degree of protection for this part?

The IP degree of protection is IP20, conforming to IEC 60529.

What is the rated insulation voltage for this part?

The rated insulation voltage is 500 V AC 50/60 Hz.

What is the mechanical durability of this part?

The mechanical durability is 20,000 cycles.

  • Used in electrical distribution systems to protect circuits from overloads and short circuits.
  • Commonly installed in residential, commercial, and industrial electrical panels.
  • Suitable for use in both AC and DC network types.
  • Ideal for applications requiring a 4-pole configuration for balanced load distribution.
  • Employed in environments where thermal-magnetic trip technology is needed for reliable circuit protection.
  • Utilized in systems that require compliance with IEC/EN 60898-1 and IEC/EN 60947-2 standards.
  • Suitable for installations where isolation capability is necessary for maintenance and safety.
  • Used in applications with a need for a compact and reliable circuit breaker solution.

This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.

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