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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 5SM2322-0 |
| Alternative Part Number | 5SM23220 |
| Manufacturer | Siemens |
| Product Type | RC Unit |
| Rated Current | 40 A |
| Supply Voltage | 195 V - 230 V AC |
| Number of Poles | 2 |
| Tripping Residual Current | 30 mA |
| Mechanical Service Life | Typically 10,000 switching cycles |
| Overvoltage Category | III |
| Insulation Voltage (Rated) | 460 V |
| Operating Frequency | 50 Hz |
| Protection Class | IP20 (with distribution board installed and conductors connected) |
| Power Loss Per Pole | 3.6 W (hot operating state) |
| Connectable Conductor Size | Solid: 1.5 mm² - 25 mm²; Stranded: 1.5 mm² - 25 mm² |
| Tightening Torque | 2.5 N·m - 3 N·m |
| Mounting Type | DIN rail (REG) |
| Mounting Position | Any |
| Dimensions (H x W x D) | 90 mm x 71 mm x 70 mm |
| Installation Depth | 70 mm |
| Number of Modular Width Units | 2 |
| Net Weight | 205 g |
| Ambient Operating Temperature | -5 °C to +45 °C |
| Storage Temperature | -40 °C to +75 °C |
| Environmental Testing | 28 cycles according to IEC 60068-2-30 |
| Product Features | Silicon-free, Halogen-free, Instantaneous tripping, Suitable for supplementary devices |
| Design | Instantaneous |
| Residual Current Type | AC |
The Siemens 5SM2322-0 is a robust residual current circuit breaker (RCCB) designed to enhance electrical safety in a variety of applications. This RC unit is engineered to detect and interrupt earth fault currents, thereby providing protection against electric shock and preventing fire hazards caused by ground faults. With a 40 A current rating and a 195 V minimum supply voltage for testing equipment, this device is suitable for a wide range of installations.
The compact dimensions of 71 x 90 x 70 mm make it an ideal choice for space-constrained environments, while its ability to be mounted in any position offers flexibility during installation. The 5SM2322-0 is designed for instantaneous operation and is compatible with 5SY type miniature circuit breakers, ensuring a comprehensive protection system.
Constructed with safety in mind, the unit is finger and back-of-hand safe, and it operates within an ambient temperature range of -5 to +45 degrees Celsius, making it reliable in diverse working conditions. The device also boasts a mechanical operating life of approximately 10,000 cycles, indicating its durability and long-term reliability.
This RC unit is halogen-free, highlighting Siemens' commitment to environmental considerations and user safety. It is also silicon-free, which is crucial for environments where silicone contamination must be avoided. The 5SM2322-0 can accommodate solid or stranded conductors ranging from 1.5 to 25 mm², with a tightening torque of 2.5 to 3 N·m for screw-type terminals, ensuring secure and reliable connections.
Overall, the Siemens 5SM2322-0 is a high-quality safety device that provides essential protection in electrical circuits, making it a valuable addition to any electrical infrastructure.
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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Frequently Asked Questions
What is the rated current and voltage for this RC unit?
The rated current for the RC unit is 40 A, and the rated supply voltage for AC is 230 V.
Can this RC unit be used with any type of fault current?
This RC unit is designed for type AC fault currents, which are typically found in residential and light commercial applications.
What is the mechanical service life of this RC unit?
The mechanical service life of the RC unit is typically around 10,000 switching cycles.
What are the dimensions of this RC unit?
The dimensions of the RC unit are 71 mm in width, 90 mm in height, and 70 mm in depth.
Is the RC unit silicon-free?
Yes, the RC unit is silicon-free, making it suitable for use in environments where silicon could cause issues.
What is the tripping residual current for this device?
The tripping residual current for this device is rated at 30 mA.
What is the protection class of this RC unit?
The protection class of the RC unit is IP20 when the distribution board is installed with connected conductors.
What is the ambient operating temperature range for this RC unit?
The ambient operating temperature range for this RC unit is from -5 °C to +45 °C.
Can this RC unit be mounted in any position?
Yes, the RC unit can be mounted in any position, providing flexibility during installation.
What is the tightening torque for the screw-type terminals of this RC unit?
The tightening torque for the screw-type terminals of the RC unit is between 2.5 N·m and 3 N·m.
