Specifications:
The EnvisionTEC Power Protection System (EPPS) for North American models, specifically the 52021-60R type, has a power rating of 250 VA/200 Watts. It features a low distortion sine wave inverter waveform with a typical transfer time of 7 ms and operates at a frequency of 60 Hz. The system has an online efficiency of 86% without the charger and can handle an input voltage range of 85 - 156 volts without using the battery. The output regulation is +10% on mains and +5% on battery, with a backup time of over 5 minutes at full load. Communication interfaces include RJ11 and USB ports.

Front and Rear Panel Controls:
The front panel includes controls for power on/off, test, load level LED gauge, battery charge LED gauge, voltage manager nominal LED, on battery LED, and fault LED. The rear panel features a 6-foot power cord with a NEMA 5-15P plug, four NEMA 5-15R receptacles, a communications manager with RJ11 and USB ports, a site wiring fault LED, and a circuit breaker. The internal battery is user hot-swappable, with a type of 12 volt, 9AH, and a recharge time of 6 to 10 hours to 90% and 24 hours to full charge.

Environmental Conditions:
The operating temperature range is 0 - +40°C (32 - 104°F), with shipment and storage temperatures ranging from -20 - +60°C (-4 - +140°F). The system can operate at altitudes up to 2,000m (6,500 ft) and can be shipped or stored at altitudes up to 15,000m (49,000 ft). Humidity levels are 5 - 90% non-condensing.

Compliance and Standards:
The system is UL listed and marked with the UL/cUL marking, compliant with UL1778 4th edition and CSA 22.2 Nos. 107-1. It meets FCC-Part 15, Subpart B, Sections 15.107b & 15.109b, Class A Digital Device standards, and various IEC standards for electromagnetic compatibility and immunity.

Noise Rejection and Surge Voltage:
The system provides noise rejection with output voltage less than 10V normal mode and less than 0.5V common mode. It withstands surge voltages tested to ANSI/IEEE C62.41 Cat. A & B standards.

Warranty and Support:
POWERVAR offers a five-year warranty on electronics and transformers and a two-year warranty on batteries. For North American support, contact POWERVAR Technical Support. A 90-day warranty applies to batteries in applications where the system is regularly disconnected from AC mains power.