Industrial Controller
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Infinite Innovation, the Future of Industrial Control Systems
Infinite Innovation, the Future of Industrial Control Systems
PRODUCT POSITION:HOMEPRODUCT—R48-2900MO
R48-2900MO
The Emerson R48-2900MO / R48-2900U is a 48 V DC rectifier power module designed for use in telecom, data communications, and industrial DC power supply systems such as Emerson/Vertiv NetSure and similar power systems. It converts AC mains power to a regulated −48 V DC output and delivers high continuous DC power suitable for telecom loads, batteries, and communication equipment.
DESCRIBE
Electrical Specifications AC Input Voltage: Nominal 200 V to 250 V AC at 50/60 Hz Input Current: Up to ~16 A (depends on mains and load conditions) Output Voltage: ≈−48 V DC nominal (adjustable within standard telecom range) Output Power: Approx. 2900 W continuous Output Current: ~50–60 A DC (at full rated power) Efficiency: Typically >92 % Power Factor: ~0.99 Output Noise: Low system noise suitable for sensitive telecom loads Environmental & Operating Operating Temperature Range: −5 °C to +65 °C Storage Temperature: −40 °C to +75 °C Relative Humidity: Up to 95 % (non-condensing) Altitude: Rated up to ~2000 m at full power Cooling: Forced-air convection in rack systems Certifications/Standards: EMC and safety compliance to telecom standards (e.g., EN 300 386, FCC Class B, IEC/EN 60950) Functional Highlights Switch-Mode Rectifier: High efficiency wide-range AC to DC conversion Hot-Pluggable: Designed for insertion/removal in rectifier shelves without shutting down the entire system DSP Control: Digital signaling processor (DSP) for optimized operation and active current sharing in parallel rectifier systems High Reliability: Suitable for continuous DC power in telecom and industrial environments Mechanical Typical Dimensions: Approx. 132 mm (H) × 85 mm (W) × 287 mm (D) Weight: ~3.5 kg (about 7.7 lbs)
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