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Siemens
5SY4302-7
Marvo Stock ID: MV-73TJUsed
£54.07 (ex. VAT)
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Siemens
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Specifications
Specification | Description |
---|---|
Part Number | 5SY4302-7 |
Alternative Part Number | 5SY43027 |
Manufacturer | Siemens |
Type | Miniature Circuit Breaker |
Actuation | Toggle |
Rated Voltage | 400 V ac |
Breaking Capacity | 5 kA |
Rated Current | 2 A |
Connection Type | Screw |
Mounting | DIN Rail Mount |
Dimensions | 52.8 x 76 x 89.8 mm |
Number of Poles | 3-pole |
Tripping Characteristic | Type C |
Installation Depth | 70 mm |
Halogen-Free | Yes |
Sealable | Yes |
Silicon-Free | Yes |
Supplementary Device Installable | Yes |
Short-Circuit Current Breaking Capacity (Icn) | 5 kA (according to UL 1077 and CSA C22.2 No.235) |
Connectable Conductor Cross-Section Solid/Stranded | 0.75 mm² - 35 mm² |
Connectable Conductor Cross-Section Finely Stranded with Core End Processing | 0.75 mm² - 25 mm² |
AWG Number as Coded Connectable Conductor Cross Section | 18 - 4 |
Tightening Torque with Screw-Type Terminals | 2.5 N·m - 3.5 N·m |
Position of Power Supply Cord | Any |
Mechanical Design | Quick assembly system, any mounting position |
Net Weight | 466 g |
Environmental Conditions | Max. 95% humidity up to 55°C, max. 55% humidity up to 70°C, max. 35% humidity up to 75°C |
Vibration Resistance | ±1mm at 5 to 25Hz; 50m/s² at 25 to 150Hz |
Ambient Temperature during Operation | -40 °C - 70 °C |
Ambient Temperature during Storage | -40 °C - 75 °C |
Number of Test Cycles for Environmental Testing | 6 according to IEC 60068-2-30 |
Compliance | IEC / EN 60898-1, IEC / EN 60947-2 / UL1077 |
Commonly Asked Questions
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Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Full warranty
All parts are covered by a comprehensive warranty. If something goes wrong, I’ll put it right.
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Committed to you
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5SY4302-7 Product Description
The Siemens 5SY4302-7 miniature circuit breaker is a robust and reliable solution designed to protect electrical circuits from overloads and short circuits, ensuring operational safety and efficiency. This three-pole breaker is rated for 400 V ac with a 5 kA short-circuit current breaking capacity, making it suitable for a wide range of industrial applications. With a 2 A current rating and a C tripping characteristic, it provides precise protection for circuits with moderate inrush currents, such as those with small motors or resistive loads.
Crafted for convenience, the 5SY4302-7 features a toggle actuator for easy manual operation and a screw terminal connection for secure wiring. Its compact dimensions of 52.8 x 76 x 89.8 mm allow for efficient use of space on a DIN rail mounting system, which is a standard in control cabinet layouts. The quick assembly system further simplifies installation, making it a practical choice for both new designs and maintenance tasks.
Engineered to perform in diverse environments, this circuit breaker can operate within a temperature range of -40 °C to 70 °C, and its mechanical design is vibration resistant, ensuring consistent performance even in demanding conditions. The device is also halogen-free and silicon-free, which is an important consideration for industries where environmental safety and material compliance are critical.
The Siemens 5SY4302-7 is a testament to quality and reliability, providing effective circuit protection with the engineering excellence expected from a leading brand in electrical components.
Frequently Asked Questions
What type of device is this?
This is a miniature circuit breaker designed for protecting electrical circuits from overcurrents and short circuits.
What are the voltage and interrupting capacity specifications?
The circuit breaker operates at 400 V ac with a 5 kA short-circuit current breaking capacity.
Can you describe the mounting style of this circuit breaker?
The circuit breaker is designed for DIN rail mounting, which allows for easy installation and removal within electrical enclosures.
What is the current rating for this circuit breaker?
The current rating for this circuit breaker is 2 A.
What are the dimensions of this circuit breaker?
The dimensions are 52.8 mm in width, 76 mm in depth, and 89.8 mm in height.
What type of terminals does this circuit breaker have?
It is equipped with screw terminals for secure and reliable wire connections.
Is this circuit breaker suitable for use as a main switch?
Yes, it has properties suitable for use as a main switch in accordance with EN 60204-1.
What is the tripping characteristic of this circuit breaker?
This circuit breaker has a 'C' tripping characteristic, which means it is suitable for applications with a moderate inrush current.
What is the environmental operating temperature range for this circuit breaker?
The operating temperature range is from -40 °C to 70 °C, ensuring reliable performance in various environmental conditions.
Is the circuit breaker halogen-free?
Yes, it is halogen-free, making it a safer choice for environments where reducing toxic gas emissions is a concern.