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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 5SY7332-7 |
| Alternative Part Number | 5SY73327 |
| Manufacturer | Siemens |
| Type | Miniature circuit breaker |
| Voltage Rating | 400 V AC |
| Short-Circuit Breaking Capacity | 15 kA |
| Number of Poles | 3 |
| Tripping Characteristic Class | C |
| Rated Current | 32 A |
| Mounting Depth | 70 mm |
| Height | 90 mm |
| Width | 54 mm |
| Depth | 76 mm |
| Mounting Type | Quick assembly system |
| Mounting Position | Any |
| Degree of Pollution | 3 |
| Overvoltage Category | III |
| Insulation Voltage | Rated at 440 V AC for multi-phase operation |
| Operating Temperature Range | -25 to +55 °C (operational), -40 to +75 °C (storage) |
| Mechanical Service Life | Typically 20,000 operating cycles |
| Energy Limiting Class | 3 |
| Protection Class | IP20 with connected conductors |
| Connectable Conductor Cross-Section | Solid: 0.75 – 35 mm², Stranded: 0.75 – 35 mm², Finely stranded with wire end processing: 0.75 – 25 mm² |
| Tightening Torque | Screw-type terminals: 2.5 – 3 N·m (22 – 26 lbf·in) |
| Product Features | Halogen-free, sealable, touch-protection, properties for main switches in accordance with EN 60204-1 |
| Environmental Testing | 6 test cycles according to IEC 60068-2-30 |
The Siemens 5SY7332-7 is a robust miniature circuit breaker designed to provide reliable overcurrent protection in a variety of industrial and commercial settings. Engineered for 400V applications with a notable short-circuit breaking capacity of 15kA, this three-pole device is characterised by a C tripping curve, ensuring a precise response to overloads and short-circuit conditions. With a rated current of 32A and a compact depth of 70mm, it is suitable for quick assembly systems and can be installed in any orientation, offering flexibility in tight spaces.
This circuit breaker is crafted to meet the demands of mechanical engineering and industry, with a mechanical service life that is typical for high-quality components. It boasts an overvoltage category of III and a pollution degree of 3, indicating its capability to withstand challenging environmental conditions. The unit is also designed with touch protection and can be sealed for safety and security purposes. Its halogen-free construction and silicon-free feature make it an environmentally conscious choice for modern electrical protection needs.
The 5SY7332-7 is a testament to Siemens' commitment to quality, safety, and reliability, making it an essential component for safeguarding electrical circuits against the risks of overcurrents and short circuits.
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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Read more...Is Marvo a credible parts supplier?
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Read more...Have steps been taken to ensure quality control?
Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.
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Frequently Asked Questions
What is the tripping characteristic class of this circuit breaker?
The tripping characteristic class of this miniature circuit breaker is Class C, which means it is designed to trip for more severe short circuits and is suitable for commercial and industrial applications with a moderate level of inrush current.
Can this circuit breaker be used in both AC and DC applications?
Yes, this miniature circuit breaker is suitable for both AC and DC applications. It has a rated operational voltage of 400 V for AC and a maximum rated operational voltage of 72 V for DC.
What is the breaking capacity of this device?
The breaking capacity of this device is 15 kA according to EN 60898 and IEC 60947-2 standards, which indicates its ability to interrupt a fault current without damage.
Is this circuit breaker halogen-free?
Yes, the 5SY7332-7 is halogen-free, making it a safer choice for environments where reducing the emission of toxic gases is a concern.
What is the degree of pollution for this circuit breaker?
The degree of pollution for this circuit breaker is rated at 3, which means it is designed to operate in environments where conductive pollution occurs or dry, non-conductive pollution becomes conductive due to condensation.
What are the dimensions of this circuit breaker?
The dimensions of this circuit breaker are 90 mm in height, 54 mm in width, and 76 mm in depth, with a mounting depth of 70 mm.
What is the energy limiting class of this circuit breaker?
The energy limiting class of this circuit breaker is 3, which indicates the level of energy limitation provided to limit the let-through energy in the event of a short circuit.
Can this circuit breaker be used as a main switch according to EN 60204-1?
Yes, this circuit breaker has properties suitable for use as main switches in accordance with EN 60204-1.
What is the ambient temperature range for operating this circuit breaker?
The ambient temperature range for operating this circuit breaker is from -40 °C to 70 °C, ensuring reliable performance across a wide range of environmental conditions.
Is it possible to seal this circuit breaker to prevent tampering?
Yes, this circuit breaker is designed with a sealable feature, allowing for the prevention of unauthorised or accidental switching.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.
New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
