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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 7KM3133-0BA00-3AA0 |
| Alternative Part Number | 7KM31330BA003AA0 |
| Manufacturer | Siemens |
| Category | General Automation |
| Voltage Supply | 30 V dc |
| Current Consumption | 130 mA |
| Frequency Range | 45 to 65 Hz |
| Protection Class | IP65/IP20 |
| Display Type | LCD |
| Mounting Type | Panel mounting |
| Mounting Position | Vertical |
| Width | 96 mm |
| Height | 96 mm |
| Depth | 56 mm |
| Installation Depth | 51 mm |
| Cutout Dimensions | Height: 92 mm, Width: 92 mm |
| Control Panel Material Thickness | Maximum 4 mm |
| Ambient Operating Temperature | -10 to +55 °C |
| Storage Temperature | -25 to +70 °C |
| Relative Humidity | 5 to 95 % (non-condensing at 25 °C) |
| Installation Altitude | Up to 2,000 metres above sea level |
| Degree of Pollution | 2 |
| Communication Protocol | Modbus RTU |
| Transfer Rate | 4.8 kbit/s to 38.4 kbit/s |
| Measurement Inputs | Voltage and current measurement capable, with screw-type terminals for connection |
| Digital Inputs and Outputs | 2 digital inputs and 2 digital outputs, with screw-type terminals for connection |
| Display Inversion Capability | Yes (positive <=> negative mode) |
| Display Refresh Time | 0.33 to 3 seconds |
| Commodity Code | 903031 |
The Siemens 7KM3133-0BA00-3AA0 is a sophisticated digital power meter designed to provide precise monitoring and measurement of electrical parameters in industrial and commercial settings. This device is part of the SENTRON series, renowned for its reliability and accuracy in power monitoring tasks.
Crafted for panel mounting, the unit boasts a compact form factor with dimensions of 96 x 96 mm, ensuring it can be integrated into various control panels without demanding excessive space. The meter is equipped with a clear, graphical LCD display that offers a white background for enhanced visibility and readability. The display supports multiple languages, including English, German, French, Spanish, Italian, Portuguese, Turkish, and Chinese, catering to a diverse range of users.
The 7KM3133-0BA00-3AA0 excels in measuring a variety of electrical quantities, including voltage, current, active and reactive power, and frequency, making it a versatile tool for managing power consumption and efficiency. It has a mean time between failures (MTBF) of 95 years, highlighting its durability and long-term performance.
With a protection class of IP65 on the front and IP20 on the rear, the device is well-protected against dust and water ingress, ensuring stable operation in challenging environments. The meter operates within a temperature range of -10 to +55 degrees Celsius, demonstrating its ability to withstand a wide range of operating conditions.
The unit supports the MODBUS RTU communication protocol, allowing for easy integration into existing automation systems. It has a transfer rate ranging from 4.8 to 38.4 kbit/s, facilitating swift and efficient data transmission.
For electrical connections, the 7KM3133-0BA00-3AA0 features screw-type terminals that accommodate a variety of conductor types and sizes, ensuring secure and reliable connections.
Overall, the Siemens 7KM3133-0BA00-3AA0 digital power meter is an essential component for businesses looking to optimise their electrical systems, reduce energy consumption, and maintain high standards of power quality monitoring.
Commonly Asked Questions
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Frequently Asked Questions
What type of power meter is this Siemens device?
This Siemens device is a digital power meter designed for measuring electrical parameters such as voltage, current, power, and energy consumption in industrial and commercial applications.
Can the display of this power meter be configured for different viewing preferences?
Yes, the power meter features an LCD that can be inverted for positive or negative mode display, and the contrast is adjustable to suit different viewing preferences.
Is this power meter suitable for use in harsh environmental conditions?
The power meter is designed with a degree of protection IP65 on the front and IP20 on the rear, making it suitable for use in environments where it may be exposed to dust and water splashes.
What communication protocol does this power meter support?
The power meter supports the Modbus RTU communication protocol, allowing for integration with various industrial control systems.
What is the power consumption of this Siemens power meter?
The typical apparent power consumption of the power meter without an expansion module is approximately 10 VA.
Can the power meter be installed in any orientation?
The power meter is designed for vertical mounting, which should be considered during installation to ensure proper operation.
Does this power meter have any certifications or approvals?
Yes, the power meter has several certifications and approvals, including UL and CE, indicating compliance with relevant safety and performance standards.
What type of inputs and outputs does this power meter have?
The power meter is equipped with two digital inputs and two digital outputs, which can be used for various control and monitoring functions.
How accurate is the power measurement with this device?
The power meter provides a high level of accuracy, with a relative total measurement inaccuracy for active power within +/- 1% according to relevant IEC standards.
Can the power meter be used with external transformers?
Yes, the power meter can be used with external voltage and current transformers to extend its voltage and current measuring ranges.
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