The Meissner MP100 UPS incorporates a microprocessor controlled design using advanced high frequency Pulse Width Modulated (PWM) techniques. The result is a compact, low component count UPS providing unequaled reliability and performance with very low noise levels. The MP100 is packaged in an aesthetically pleasing cabinet with standard batteries for the 3KVA and 5KVA units housed within the UPS cabinet. A separate matching battery cabinet is available for extended discharge times. The MP100 Range is a true on-line design incorporating a Static Bypass switch as standard. In addition to this a manual Make-Before-Break switch is also provided for additional system reliability and ease of maintenance. The alarms and the ON/OFF switch are incorporated into the front facia of the unit. Standard protection is provided to reduce possible damage caused by lightning strikes.