The Forza FDC-BS10KMR is a maintenance bypass switch module designed to provide continuous power to connected loads during scheduled UPS maintenance or battery replacement. It is specifically designed for use with 6KVA and 10KVA UPS systems.
Function Description:
The FDC-BS10KMR acts as an external bypass switch, allowing the UPS to be isolated from the power path without interrupting power to the critical loads. This ensures uninterrupted operation of connected equipment during maintenance activities on the UPS or its batteries. The module features an input/output terminal block, a UPS input breaker, a two-position maintenance bypass switch, an output signal control slot, and a maintenance switch.
Important Technical Specifications:
- Input Breaker:
- Current: 63A
- Voltage: 250V
- Bypass Switch:
- Current: 63A
- Voltage: 690V
- Input/Output Terminal:
- Current: 60A
- Voltage: 600V
- Wiring Specifications (recommended):
- For 6K/6KL UPS models: 6 AWG (capable of withstanding over 40A)
- For 10K/10KL UPS models: 4 AWG (capable of withstanding over 63A)
- Warranty: 2-year warranty
Usage Features:
- Rack Mountable: The unit is designed for rack mounting in a standard 19-inch rack or enclosure, facilitating integration into existing data center or server room setups.
- Seamless Power Transfer: Allows for a smooth transfer of power from the UPS to the utility bypass, and vice versa, ensuring that connected loads remain powered throughout the process.
- Clear Terminal Layout: The rear panel features clearly labeled terminal blocks for easy and accurate wiring of load, UPS output, UPS input, and mains connections.
- Signal Control Cable: Includes a signal control cable for communication between the UPS and the bypass switch module, enabling automated bypass functions when the maintenance switch cover is opened.
- Input Breaker: Equipped with a 63A/250V~ UPS input breaker for protection and control of the UPS input.
- Two-Position Maintenance Bypass Switch: A clearly marked switch (ON/BYPASS) allows for manual control over the power path, enabling the user to select between UPS operation and bypass mode.
- EMBS Control Out: An EMBS (External Maintenance Bypass Switch) control output is provided, likely for external monitoring or control systems.
Maintenance Features:
- Hot-Swappable Maintenance: The primary function of this module is to enable hot-swappable maintenance of the UPS. By transferring the load to utility power via the bypass switch, the UPS can be completely powered down, disconnected, and serviced or replaced without affecting the connected equipment.
- Isolation for Safety: The design ensures complete electrical isolation of the UPS and its batteries from the system during maintenance, enhancing safety for technicians.
- Step-by-Step Transfer Procedure: The user guide provides detailed, step-by-step instructions for transferring from UPS to maintenance bypass mode and back, ensuring proper and safe operation.
- Wiring Diagrams: Comprehensive terminal block wiring diagrams are provided for the UPS, isolation transformer (if applicable), and the maintenance bypass switch with breaker, simplifying installation and troubleshooting.
- Safety Guidelines: The manual emphasizes important safety instructions, including the need for qualified personnel for installation and wiring, adherence to local electrical regulations, and precautions regarding power sources and wiring sizes.
- Cable Recommendations: Specific recommendations for cable gauges (AWG) are given based on UPS capacity to ensure safety and efficiency, highlighting the importance of proper wiring for high-current applications.
- Robust Construction: The module appears to be built with durable components, including a robust input breaker and terminals designed to handle specified currents and voltages, contributing to long-term reliability.
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