The RDI 3000 Redundant Digital Inverter converts DC power to AC power with built-in redundancy for mission-critical applications requiring uninterrupted operation. Full DSP control and patented technology deliver high efficiency, exceptional response time, and complete system supervision. Modular architecture supports parallel operation in true redundant configurations. Three model variants address diverse input voltage requirements across telecom, industrial, control, and security installations.
Technical Specifications
Input:
• Model variants: RDI 3000VA-48VDC-120VAC, RDI 3000VA-48VDC-230VAC, RDI 3000VA-110VDC-230VAC
• Operating voltage: 40–80 VDC (48 VDC variants); 88–160 VDC (110 VDC variant)
• Maximum input current: <93 A (120 VAC output); <83 A (230 VAC output); <37 A (110 VDC variant)
• Maximum input current at 100% overload: <75 A (110 VDC-230 VAC variant at 88 V input)
• Inrush current: <Inom (110 VDC-230 VAC variant)
Output:
• Nominal power: 3000 VA
• Output voltage: 120 VAC (adjustable 108–125 VAC) or 230 VAC (adjustable 200–240 VAC)
• Voltage tolerance: ±3% of adjustable nominal voltage
• Output current: 25 A (120 VAC); 13 A (230 VAC)
• Frequency: 50 or 60 Hz (selectable)
• Total harmonic distortion: ≤3% on linear load at nominal power
• Overload: 6000 VA (±15%, maximum 5 s, self-protected); 120% permanent overload capable
• Power factor: 0 inductive to 0 capacitive; full 4-quadrant operation
• Crest factor: 3:1 at nominal power
• Transient recovery time: <0.3 ms (typical)
• Turn-on delay: <3 s
Efficiency:
• 89% (120 VAC output); 91% (230 VAC output)
Environmental:
• Storage temperature: −40°C to +80°C
• Ambient temperature: −20°C to +50°C
Safety & EMC:
• Dielectric strength: 4000 VDC (input/output, output/earth)
• Protections: Internal electronics, relays, fuses with selective restart logic
• EMC immunity: EN 61000-4-2, -4-3, -4-4, -4-5, -4-6
• EMC emission: ETS 300-132-2, CISPR 22 class B, FCC compliant
• Safety standards: EN 60950, UL 1950
Physical:
• Dimensions: 438 × 348 × 2U mm
• Weight: Approximately 15 kg
– Key Features
• High efficiency with DSP-based control architecture
• Outstanding response time and <0.3 ms transient recovery
• FCC-compliant RFI input/output filtering
• Redundancy topology enabling parallel operation without external synchronization
• Large DC input voltage range accommodating 48 V and 110 V bus standards
• Patented inverter design
• Complete system supervision and diagnostics
– Typical Applications
Telecom infrastructure, industrial motor control systems, uninterruptible power supplies, security and access control installations.
– Compatibility & Integration
Three input/output configurations support standard 48 VDC telecom buses and 110 VDC industrial supplies. Selectable output frequency (50/60 Hz) and adjustable voltage ranges enable integration into diverse AC power distribution architectures. Parallel operation in redundant configurations eliminates single points of failure.
