The RSI series low-profile inverter provides from 100VA to 1000VA continuous sinusoidal voltage. Originally designed for an on-board railway application, the RSI series is also suitable for driving ac equipment in industrial, utility, mining, marine and other harsh environments.
The RSI series is ruggedized and conformal coated to ensure resistance to shock, vibration, humidity, moisture, dust and insects. It is conduction/convection cooled (models up to 500VA), and rated for operation over a 0°C to 50°C temperature range, with -40°C available as an option. The dimensions measures from 198 x 113 x 52mm for the RSI100 and up to 356 x 483 x67 for the RSI1000.
The microprocessor controlled, pulse-width-modulation design provides 230Vac or 115Vac continuous at 50, 60 or 400Hz options. With a choice of input voltages of 24, 36, 48 or 120Vdc. Line regulation is within 0.5 percent, and load regulation is within ±5 percent from no load to full load. Tighter regulation is also possible. Total harmonic distortion at its output is less than 5 percent at full load and efficiency is at least 78% at full load.
The RSI series is filtered to meet EN55022 Curve B and is designed to meet the stringent requirements of EN50155 and EN50121-3-2 for electronic equipment used on railway rolling stock. Protection features at the input include inrush current limiting and reverse polarity protection. Output protection includes current limiting, short-circuit protection and thermal shutdown with automatic recovery in case of continuous overload or insufficient airflow.
This inverter can be customized for other input/output and mechanical requirements. Further options include an output fail alarm (Form C), adjustment for output voltage and frequency, and remote shut-down.
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Power supplies for industrial, mining, railway, Land & Mobile Radio, lighting (LED), medical power supplies and laboratory power supplies are a major specialty of Helios Power Solutions.
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