D-Link DPS-300 – 90W AC Redundant Power Supply Unit for D-Link Ethernet & Gigabit Switches with Standalone / 19-Inch Chassis Installation Support
Overview:
• The D-Link DPS-300 is a 90W AC Redundant Power Supply Unit designed to provide backup power for compatible D-Link Ethernet and Gigabit switches.
• It connects to the switch’s internal power supply and helps protect the network from downtime caused by internal PSU failure.
• The unit is enclosed in a solid metal case and includes LED status indicators for easier monitoring.
• It supports installation as a standalone redundant power supply or inside a compatible 19-inch multi-slot chassis.
• The DPS-300 supports 90–264VAC input, 47–63Hz input frequency, 80% efficiency, and up to 90W output power.
Key Features:
• 90W AC redundant power supply
• Designed for compatible D-Link Ethernet and Gigabit switches
• Provides backup power for switch internal power supply
• Standalone installation support
• 19-inch multi-slot chassis installation support
• Hot-swappable when installed in chassis
• Solid metal case housing
• LED status indicators
• Over-current protection
• Wide AC input voltage range
• Helps improve switch uptime and network reliability
• Suitable for business-critical network racks
Technical Specifications:
General:
• Brand: D-Link
• Model: DPS-300
• Product Type: AC Redundant Power Supply Unit
• Output Power: Up to 90W
• Power Source Type: AC
• Application: Backup Power for Compatible D-Link Ethernet and Gigabit Switches
• Installation: Standalone / 19-Inch Multi-Slot Chassis Installation
• Housing: Solid Metal Case
Power Specifications:
• Input Voltage Range: 90–264VAC
• Input Frequency: 47–63Hz
• Maximum Input Current: 4A at 115VAC / 2A at 230VAC
• Maximum Inrush Current: 30A at 115VAC / 50A at 230VAC
• Efficiency: 80%
• Over Current Protection: Supported
Physical Specifications:
• Dimensions: 127 × 76 × 36.6mm
• Weight: 1.7kg
Environmental Specifications:
• Operating Temperature: 0°C to 70°C
• Storage Temperature: -40°C to 85°C
• Operating Humidity: -5% to 95% RH
• MTBF: 211,493 Hours
Applications:
• Redundant power backup for compatible D-Link switches
• Business network racks
• Switch power protection
• Network downtime reduction
• Enterprise and SMB switching environments
• CCTV and data network switch protection
• Rack-mounted network systems
• Standalone or chassis-based RPS deployment
Connect Gates Recommendation:
• Connect Gates recommends the D-Link DPS-300 for networks where switch uptime is important and a reliable 90W redundant power backup is required.
• It is suitable for compatible D-Link Ethernet and Gigabit switches used in data, CCTV, access control, and business network environments.
• The solid metal housing, LED indicators, over-current protection, and chassis installation support make it practical for professional network racks.
• Before installation, Connect Gates recommends checking switch compatibility, required RPS power rating, RPS cable compatibility, rack layout, and whether standalone or chassis installation is required.