The XDDR/DRNR-20 is a compact, reliable 20A redundancy module designed to enhance the availability and stability of critical power systems. Engineered for mission-critical applications where uninterrupted operation is non-negotiable, this module specializes in providing seamless backup power to primary systems, minimizing downtime risks in demanding environments.
Core Features & Specifications
Rated Current: 20A, supporting continuous power delivery up to 20 amps under standard operating conditions (12V/24V DC systems, depending on configuration).
Redundancy Mechanism: Utilizes an advanced N+1 redundant architecture, allowing multiple DRNR-20 modules to be paralleled. If one module fails, the remaining units automatically compensate, ensuring zero interruption to the load. This design is ideal for scaling redundancy in systems requiring high fault tolerance (e.g., data centers, industrial controls).
Input/Output Compatibility: Features wide input voltage range (typically 40–60V DC) and adjustable output (12V/24V DC, user-configurable via DIP switches), making it versatile for integration with diverse power supplies (e.g., server PSUs, telecom rectifiers).
Protection Functions: Equipped with comprehensive safeguards, including:
Overcurrent Protection (OCP): Limits current to 20A to prevent damage from short circuits or overloads.
Overvoltage/Undervoltage Protection (OVP/UVP): Shuts down output if voltage exceeds safe thresholds (e.g., >58V or <10V for 12V systems).
Short-Circuit Protection (SCP): Instantly disconnects the load during faults, with automatic recovery after fault clearance.
Thermal Management: Integrated temperature sensors and cooling fins prevent overheating, ensuring stable operation in ambient temperatures from -40°C to +75°C (with derating at extreme temps).
Design & Usability
The XDDR/DRNR-20 prioritizes ease of integration and maintenance:
Compact Form Factor: Measures just 100mm (W) × 60mm (D) × 25mm (H), allowing space-efficient installation in dense racks or enclosures.
Tool-Free Installation: Features a slide-in rail design for quick mounting in standard 19” equipment racks, reducing setup time.
Status Monitoring: Equipped with LED indicators for power status, fault alerts (e.g., overvoltage, overload), and redundancy mode (active/standby). For advanced systems, optional SNMP/Modbus communication modules are available for remote monitoring.
Applications
Ideal for environments where power reliability is paramount:
Data Centers: Protects servers, network switches, and storage systems from power supply failures.
Telecommunications: Supports base stations, routers, and communication equipment in remote or high-uptime requirement sites.
Industrial Automation: Safeguards PLCs, CNC machines, and robotics in manufacturing plants.
Medical Devices: Ensures continuous power for life-critical equipment (e.g., MRI machines, surgical tools).
