Introducing the 5.6 cu. ft. explosion proof refrigerator freezer combination unit manufactured by Thermo Scientific with 240 volts. The 3557-5 is specially designed to be used in areas where ignitable materials are normally present. The spark free interior and tough white exteriors reduce the risk of explosion. The thermostat and compressor components are isolated within a vapor-proof enclosure and electrical connections are hardwired to prevent sparking and accidental disconnection. With a temperature range of 1 to 12C in the refrigerator section and -20 to -12C in the freezer section, this manual defrost combo meets OSHA and National Fire Protection Association safety requirements. Designed for use in Class I, Division I Group C and D hazardous environments.