Mitsubishi Electric FREQUPS FW-ARB — UPS option relay board. Genuine Mitsubishi Electric part, new, for the Japanese market.We ship from Tokyo by FedEx. Send us your UPS model if you want us to confirm compatibility before ordering.Quick facts for international buyers Model FW-ARB Description UPS option relay board Genuine part Genuine Mitsubishi Electric part, new. Market Genuine new product for the Japanese market. Manuals and labels are in Japanese. Need help? Contact us with your UPS model and country and we will confirm compatibility before you order. A wide range of systems can be constructed because the UPS status and alarms can be output externally via relay contacts. Operates with UPS alarms, battery operation, battery voltage drop, input power supply failure, and ready to start. RoHS Directive Supported Other environmental and safety standards