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SICAM P855
Power quality recorder – SICAM P855
- Stock status:
- In stock
- Manufacturer:
- Siemens
- Product code:
- SICAM P855
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
| Hardware | |
| transformers | 4 current transformers |
| voltage | 0 / 3 voltage transformers |
| Product family | mv digital protection relays power analyzersOther |
| binary inputs | 3 / 7 binary inputs (thresholds configurable using software) |
| Product | |
| binary outputs | 5 / 8 binary outputs (2 changeover) |
| life contact | 1 life contact |
| Pluggable | Pluggable current and voltage terminals. |
| time-overcurrent | Directional time-overcurrent protection, ground (67N) |
| Trip-circuit | Trip-circuit supervision (74TC) |
| Additional Product Information | |
| Forward-power | Forward-power, reverse-power protection (32) |
| Rate-of-voltage | Rate-of-voltage-change protection (27R/59R) |
| Rate-of-frequency | Rate-of-frequency-change protection (81R) |
| programmable | 9 programmable function keys |
| Secondary current transformer values | Secondary current transformer values (1 A / 5 A) settable using DIGSI |
| Binary input | Binary input thresholds settable using DIGSI (3 stages) |
| Pluggable | Pluggable current and voltage terminals |
| frequency | Rate-of-frequency-change protection (81R) |
| voltage | Rate-of-voltage-change protection (27R/59R) |
| reclosing | Automatic reclosing (79) |
| Voltage dependent | Voltage dependent inverse-time overcurrent protection (51V) |
| Directional | Directional intermittent ground fault protection (67Ns) |
Product Description
Siemens
Siemens, a global leader in the electrical and industrial automation sectors, is renowned for its high-quality products and solutions, ranging from electrical equipment and automation systems to energy management and telecommunications technologies.
With a strong focus on innovation, Siemens provides cutting-edge solutions that enhance operational efficiency, sustainability, and productivity across various industries. From advanced circuit breakers and switchgear to smart grid solutions, Siemens continues to shape the future of technology, delivering reliable and energy-efficient products that meet the evolving needs of businesses and industries worldwide.
Reyrolle Siemens protection relays are designed for reliable and efficient safeguarding of electrical distribution systems. Known for their precision, durability, and advanced technology, these relays ensure the highest standards of safety and protection in industrial and commercial applications.
SICAM P855
The SICAM-P855 is a comprehensive multifunctional power quality recorder designed to collect, display, and transmit measured electrical variables, such as AC current, AC voltage, power types, harmonics, and more. This device ensures compliance with power quality standards like IEC 61000-4-30 and EN 50160, making it ideal for applications in power utilities, industry, and trade sectors.
Key Features and Specifications:
Comprehensive Measurement Capabilities:
- The SICAM-P855 can measure and record a wide range of electrical parameters:
- True RMS AC voltage and current.
- Power frequency, including active, reactive, and apparent power.
- Power factor and active power factor, for accurate efficiency analysis.
- Phase angle measurements.
- Unbalance in AC voltage and current.
- Harmonics up to the 40th order for detailed analysis.
- Total Harmonic Distortion (THD) of AC voltage and current.
Versatile System Compatibility:
- Suitable for single-phase, three-wire, and four-wire systems (with a neutral conductor).
- Designed to provide comprehensive measurement of supply quality, ensuring smooth operation in various public low, medium, and high-voltage systems.
Power Quality Assurance:
- Supports the EN 50160 power quality standard, which defines the main voltage characteristics at customer supply terminals.
- Provides comprehensive acquisition and documentation of parameters relevant to supply quality, helping to identify weaknesses and optimize performance.
Recording and Evaluation:
- In addition to monitoring, the SICAM P855 offers combined recording and evaluation functions.
- Capable of recording data at programmable intervals using various recorders, such as power quality and fault recorders.
- Automatic PQ reporting according to EN 50160.
- Recorded data can be stored as mean values, events, or fault logs and exported in formats like PQDIF and COMTRADE.
Communication Interfaces:
- Ethernet: Supports MODBUS TCP and IEC 61850 Edition 2 for easy integration with existing systems.
- Serial: Compatible with MODBUS RTU and IEC 60870-5-103, offering flexibility in communication options.
- Integrated Web Server: Facilitates interaction with the device via HTML pages on a PC.
User-Friendly Operation and Display:
- Features a full graphic display with 4 function keys for intuitive operation.
- 4 LEDs for clear state and system messages.
- Time Synchronization: Achieved through Ethernet (SNTP client), fieldbus, or an internal Real-Time Clock (RTC).
Auxiliary Power Supply:
- Operates on DC 24 – 250V and AC 110 – 230V (50/60 Hz), making it suitable for various environments.
Housing and Mounting:
- Comes in a durable plastic housing for DIN rail or optional panel mounting.
- Protection class up to IP51.
- Dimensions: 96 x 96 x 100 mm (W/H/D).
Special Features:
- Measured value acquisition according to IEC 61000-4-30, including flicker measurements.
- Automatic PQ reporting for efficient power quality management.
- Mean value, event, and fault recorder functionality for comprehensive data logging.
- 2 GB memory capacity for extensive storage of recorder data.
- Direct evaluation of events via the integrated web server, accessible through HTML.
Conclusion
The SICAM-P855 is a reliable, multifunctional device that combines monitoring, recording, and analysis of power quality parameters, ensuring stable and efficient power supply. Its robust design, extensive measurement capabilities, and compliance with key standards make it an essential tool for maintaining power quality across various systems and applications.
Frequently Asked Questions
Which is Better: Schneider or Siemens Circuit Breakers?
When comparing Schneider and Siemens circuit breakers, both brands offer unique strengths and advantages, making them top choices in the industry.
✅ Both Schneider and Siemens circuit breakers are excellent choices for protecting electrical systems. Schneider excels in versatility and precision engineering, while Siemens is known for its exceptional build quality and innovation. The choice between the two depends on specific needs and preferences, ensuring reliable protection and performance for any electrical system.
What are the three types of miniature circuit breaker?
✅Miniature Circuit Breakers (MCBs) are essential for protecting electrical circuits from overcurrents and short circuits. There are three primary types of MCBs: Type B, Type C, and Type D. Each type is designed to respond to different levels of electrical surges in various settings.ft starters minimize the initial surge of power during startup by gradually increasing the voltage supply. This controlled power-up process prevents the motor from overheating, reducing the risk of temporary shutdowns and significantly extending the lifespan and durability of the motors.
What's the difference between type B and C MCBs?
✅Type B devices are engineered to trip when fault currents reach 3-5 times the rated current (In). For instance, a 10A Type B device will trip at 30-50A. Type C devices, on the other hand, are designed to trip at fault currents of 5-10 times In, which means a 10A device will trip at 50-100A. Lastly, Type D devices are intended to trip at fault currents of 10-20 times In, so a 10A device will trip at 100-200A.
What size is a Schneider 3 pole MCB?
✅ The product dimensions are (W) 54mm x (H) 85mm x (D) 77.5mm, and it weighs 0.31kg. It adheres to the IEC 60529 standard, offering a degree of protection rated at IP20 and IP40 when enclosed.
What is the Full Name of MCBs?
✅MCB Full Form - Miniature Circuit Breaker
✅Miniature Circuit Breaker
The full form of MCB is Miniature Circuit Breaker. An MCB is a type of electronic switch that operates automatically. It detects issues within a circuit by identifying excessive current flow, providing protection by interrupting the circuit to prevent damage.
What Are Miniature Circuit Breakers?
✅ Miniature Circuit Breaker (MCB) - Definition, Types, and Uses
A Miniature Circuit Breaker (MCB) is a safety device equipped with an electro-mechanical mechanism that automatically interrupts the flow of excessive current in a circuit. Unlike fuses, MCBs can be reset and reused without manual replacement, enhancing safety and convenience in electrical systems.
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