5SY6640-7

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The Siemens 5SY6640-7 is a robust and reliable Miniature Circuit Breaker designed for optimal performance and safety. This 3 + N Pole circuit breaker operates at 400 V ac, with a short-circuit current capacity of 6 kA and a rated current of 40 A. It features a convenient toggle switch for easy operation and a screw terminal for secure connections. The 5SY6640-7 is designed for DIN Rail Mounting, making it a versatile choice for various industrial applications. With dimensions of 72 x 76 x 90 mm, it is compact yet powerful. The breaker is also sealable, halogen-free, and silicon-free, ensuring it meets the highest standards of safety and environmental responsibility. Whether you're in mechanical engineering or other industrial sectors, the Siemens 5SY6640-7 is a reliable choice for your circuit protection needs.
Specification Description
Part Number 5SY6640-7
Alternative Part Number 5SY66407
Manufacturer Siemens
Part Description This is a Siemens Miniature Circuit Breaker with a toggle switch. It features 3 + N Pole and operates at 400 V ac. It has a 6 kA interrupting capacity and a 40 A current rating. The breaker uses a screw terminal for connections and can be mounted on a DIN rail. The dimensions of the breaker are 72 x 76 x 90 mm.
Pole 3 + N
Voltage 400 V ac
Interrupting Capacity 6 kA
Current Rating 40 A
Terminal Type Screw Terminal
Mounting DIN Rail Mount
Dimensions 72 x 76 x 90 mm
Mechanical Design The breaker has a height of 90 mm, a width of 72 mm, and a depth of 76 mm. It has an installation depth of 70 mm and takes up 4 modular width units. It uses a quick assembly system for fastening and can be mounted in any position. It has a net weight of 625 g.
Environmental Conditions The breaker can operate in temperatures ranging from -25 °C to 55 °C and can be stored in temperatures ranging from -40 °C to 75 °C. It is resistant to vibrations according to IEC 60068-2-6.
Conductor Cross-Section The breaker can connect to a conductor cross-section ranging from 0.75 mm² to 35 mm² for solid and stranded conductors, and from 0.75 mm² to 25 mm² for finely stranded conductors with core end processing.
Tightening Torque The tightening torque for the screw-type terminals ranges from 2.5 N·m to 3.5 N·m.
Product Features The breaker is halogen-free, sealable, and silicon-free. It has properties for main switches in accordance with EN 60204-1.
Short Circuit Breaking Capacity The breaker has a short-circuit current (Icn) of 5 kA at AC according to UL 1077 and CSA C22.2 No.235.

What is the voltage rating of this Siemens Miniature Circuit Breaker?

The Siemens Miniature Circuit Breaker is rated for 400 V ac.

What is the current rating of this circuit breaker?

This circuit breaker has a current rating of 40 A.

What type of terminal does this circuit breaker have?

The Siemens Miniature Circuit Breaker has a screw terminal.

How is this circuit breaker mounted?

This circuit breaker is designed for DIN Rail Mounting.

What are the dimensions of this circuit breaker?

The dimensions of this Siemens Miniature Circuit Breaker are 72 x 76 x 90 mm.

What is the short circuit breaking capacity of this circuit breaker?

The short circuit breaking capacity of this circuit breaker is 6 kA.

Does this circuit breaker have a neutral conductor switching?

Yes, this Siemens Miniature Circuit Breaker does have a neutral conductor switching.

What is the operating temperature range for this circuit breaker?

The operating temperature range for this circuit breaker is -25 °C to 55 °C.

What is the storage temperature range for this circuit breaker?

The storage temperature range for this circuit breaker is -40 °C to 75 °C.

What is the number of poles on this circuit breaker?

This Siemens Miniature Circuit Breaker has 3 + N poles.

  • Protection of electrical circuits in industrial applications
  • Use in mechanical engineering and related industries
  • Installation in DIN rail mount systems for easy integration
  • Application in systems requiring a high short-circuit current capacity
  • Use in environments requiring halogen-free and silicon-free components
  • Suitable for systems requiring sealable circuit breakers
  • Ideal for applications requiring a neutral conductor switching
  • Use in systems where quick assembly is required
  • Suitable for applications requiring a high number of test cycles
  • Ideal for use in environments with varying ambient temperatures
  • Use in systems requiring a high vibration resistance
  • Application in systems requiring a high influence of the surrounding temperature.

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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