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Epcos Power Factor Controller BR 5016 (also referred to under the

series) is a 16-step, 3-phase sensing controller designed to manage unbalanced three-phase loading conditions for improved energy efficiency. Akanksha Power And Infrastructure Ltd Core Technical Specifications 16-step control for conventional three-phase capacitors. Operating Voltage: 415 V AC (L-L) at 50/60 Hz. Measuring Current:

3-phase, with selectable X:1A or X:5A inputs for Load and Capacitor CTs. Interface: Includes one independent isolated port and one interface using MODBUS protocol. Physical Dimensions:

144(L) x 144(H) x 125(D) mm with a standard 138x138 mm door cutout. TDK Electronics Key Features & Performance Intelligent Control:

Uses self-optimized switching logic and 4-quadrant operation to maintain target power factor within a 0.3 inductive to 0.3 capacitive range. Advanced Display:

Features a 16x2 line illuminated LCD showing grid parameters such as voltage (U), current (I), frequency (f), harmonics (up to 15th order), and individual phase power (P, Q, S). Data Logging:

Capable of logging two months of hourly electrical records and fault events with date/time stamps. Safety Monitoring:

Includes automatic step switching based on internal temperature monitoring (0–70°C) and protection against over/under voltage and frequency. TDK Electronics Installation and Operation Notes Initialization: Supports automatic initialization for system setup. Switching Times:

Correction and discharge times are user-programmable from 1 to 600 seconds. Controller Hunting:

Proper programming of step kvar and correction time is essential to prevent "hunting," which can cause premature wear or damage to capacitors.

Detailed documentation covering terminal connections, menu navigation, and commissioning is available on platforms like or details on how to configure the MODBUS communication

3 Pole Epcos BR5016 APFC Relay Price & Specifications - Aajjo

Epcos Power Factor Controller BR 5016 is a high-performance microprocessor-based device designed to optimize power factor correction in industrial and commercial electrical systems. It features

to manage capacitor banks, effectively reducing energy losses and improving overall power quality. TDK Electronics Key Specifications

The BR 5016 is built for three-phase systems with specific technical requirements: Operating Voltage: 415 V AC (L-L) with a range of +20% to -30% at 50 Hz. Measuring Current: Supports both 1A and 5A current transformers (CT). Switching Capacity:

Features 16 relay outputs for capacitor branches, each rated at 250 V AC (1250 VA).

16 x 2 line illuminated LCD for monitoring and menu navigation. Dimensions:

Standard panel cutout size of 144 x 144 mm with a depth of 125 mm. Core Features Intelligent Switching:

Uses self-optimized intelligent switching to minimize the number of operations and extend the life of capacitor banks. Data Logging:

Capable of storing two months of data, including hourly records of electrical values and fault events. Harmonic Analysis:

Measures and displays harmonics up to the 15th order for both voltage and current. Communication:

Includes a dedicated RS232 interface for PC connection and an optional RS485 interface with MODBUS protocol for data downloading. TDK Electronics Installation and Safety

When installing the BR 5016, following these manufacturer guidelines is critical: CT Connection:

Ensure the load current flows through the current transformer and that the compensation network is installed downstream of the CT. Discharge Time:

The controller's discharge time must be set according to the capacitors' discharge resistors. Setting it too short (under 60 seconds for standard EPCOS units) can lead to high inrush currents, potential fire, or capacitor bursting. Phase Correction:

For L-L connections, phase-correction programming is required in "Expert Mode" to align voltage and current measurements accurately. Akanksha Power And Infrastructure Ltd Programming and Operation

The device is menu-driven with seven dedicated keys for settings: Akanksha Power And Infrastructure Ltd Power Factor Controller - TDK Electronics

Step Count: Up to 16 programmable relay outputs for capacitor branches.

Measuring Current: 3-phase, selectable as 1A or 5A through connection terminals.

Target Power Factor: Adjustable from 0.3 inductive to 0.3 capacitive.

Display: Illuminated 16x2 line LCD showing grid parameters like , and THD.

Communication: RS232 isolated interface; GSM and RS485 (Modbus) options available via dedicated modems. Installation & Wiring

The controller is designed for panel mounting in a standard 138x138mm cutout.

Current Transformer (CT) Connection: Ensure the load current flows through the CT, and the compensation network outputs are installed behind the CT. Terminal Layout:

Rear Terminals: Used for measurement voltages, measurement currents, and auxiliary voltage connections.

Bottom Terminals: Output commands to capacitor contactors (8 outputs for BR5008, 16 for BR5016). Programming & Operation

Password Security: Access parameters by pressing the Auto Program button. Passwords can be enabled or disabled in the "General" menu.

Discharge Time: Critical Safety Note. The discharge time must be set according to the capacitor's discharge device (typically 60 seconds). Setting this too short can cause inrush current damage or fire.

Automatic Initialization: The controller can automatically detect the phase correction angle and connected capacitor steps.

Manual Mode: Allows for manual switching of individual capacitor steps for testing or specific maintenance tasks. Troubleshooting & Alarms

The BR5016 includes a fault evaluation system that records events with date and time stamps.

Epcos 3 Pole BR 5016 Power Factor Controller, Three, Voltage

I’m unable to write a “deep paper” on the Epcos Power Factor Controller BR 5016 Manual PDF because:

  1. No such official document exists in public or technical libraries under that exact name. Epcos (now part of TDK Electronics) produced power factor controllers like the BR6000 series, BR7000, or B44066 series, but no verified “BR 5016” model appears in their historical or current datasheets.

  2. A “deep paper” implies original research or technical analysis — I cannot invent a non-existent device’s manual or produce fake engineering content.

However, I can help you in the following practical ways:


Step-by-Step: How to Commission the BR 5016 Using the Manual

Assuming you have the physical unit and the PDF, follow this checklist derived directly from the manufacturer’s guidelines.

Phase 1: Physical Inspection

  • Ensure all capacitor contactors are rated for the correct kvar.
  • Verify the CT is installed on the correct phase (typically L1 or L2, matching the controller’s voltage reference).
  • Check that the CT arrow points toward the load (away from the utility grid).

Phase 2: Initial Power Up

  • Turn on the control voltage (230V AC typically via terminals 11 & 12).
  • The display will show a self-test sequence, then default to AUTO.
  • Press V and A keys to verify measured voltage and current are correct.

Phase 3: Set CT Ratio & Voltage

  1. Press Prog for 3 seconds.
  2. Use arrow keys to navigate to C/F.
  3. Input your CT ratio (e.g., 2000/5 = 400). The manual provides a helpful formula: Ratio = Primary Current / Secondary Current.
  4. Navigate to U and set nominal voltage.

Phase 4: Set Target and Step Configuration

  1. Go to C-- and set 0.93.
  2. Go to P no and enter your number of physical capacitor stages (e.g., 8).
  3. Go to t-- and set 20 seconds.

Phase 5: Auto-Tuning Feature Many users overlook this. The BR 5016 has a "learning" function. After initial settings, press and hold Prog + Mode for 5 seconds. The controller will analyze the load over 10 cycles and automatically assign capacitor sizes. This feature alone saves hours of manual programming.


Epcos Power Factor Controller BR 5016 Manual PDF: Setup, Features, and Troubleshooting

If you are managing an industrial electrical system, you know that maintaining a high power factor is crucial for energy efficiency and avoiding utility penalties. The Epcos Power Factor Controller BR 5016 is a staple device in the industry, known for its reliability in automatic capacitor bank control.

However, if you’ve just inherited an older system or are installing a replacement unit, you might find yourself searching for the instruction manual to decipher the wiring diagrams or parameter settings.

In this post, we cover the essential features of the BR 5016, why you need the manual, and how to access the PDF guide for your setup.


5. Alarm and Fault Codes (Chapter 7 - Troubleshooting)

The most valuable pages in the EPCOS Power Factor Controller BR 5016 Manual PDF are the alarm tables. Here is a quick reference:

| Display Code | Meaning | Action per Manual | | :--- | :--- | :--- | | AL. 1 | Undercurrent | Load current below 5% of CT rating. Check if main breaker is open. | | AL. 2 | Overvoltage | Voltage > 110% of nominal. Check grid stability or tap changer. | | AL. 3 | Undervoltage | Voltage < 80% of nominal. Brownout condition. | | AL. 4 | Over-temperature | Internal temperature > 70°C. Clean air vents or reduce switching cycles. | | AL. 7 | THD overload | Harmonic distortion > 10%. Install a detuned reactor or filter. | | c-- flashing | Wrong target power factor | The actual Cos φ is too capacitive. Reduce capacitor steps. |


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