ENM T50B4 Hour Meter, 24V AC, 6 Digit, 99,999.9 hr Range, 2.8 in Round Bezel, 3 Hole Panel Mount, NEMA 12 4X, ABS 65YG55 USB Topology Line interactive Typical USB Topology Line interactive Typical recharge time 3 Waveform type Sine wave Mount Position Front Load Capacity 1440 VA 1000 W Product Type Line interactive UPS Replaceable Battery Yes Sound Emission (A Weighted) 45 dB(A) Storage Temperature 41°F (5°C) 235 m NO changing electrical state Ambient Air Temperature For Storage 40 70°C Operator Profile black standard handle Shape Of Signaling Unit Head round Short Circuit Protection 10 A cartridge fuse gG EN IEC 60947 5 1 Shock Resistance 30 gn 18 ms) half sine wave acceleration IEC 60068 2 27 50 gn 11 ms) half sine wave acceleration IEC 60068 2 27 Fixing Collar Material zamak Product Certifications GL UL LROS (Lloyds register of shipping) CSA BV DNV Head Type standard Operator Position Information 3 positions + 45° Connections Terminals screw clamp terminals Bezel Face Shape Round Time Range 0 to 99999