4 position chassis, 1U, for replaceable data line surge protection modules Modular data-line surge suppression for network, telecommunication and PC system protection. Includes: User Manual Product Overview PRM4 Features Replaceable surge protection modules Surge Protection Rack-mount ProtectNet Features Protection Data-line Protection Protection against powers spikes traveling through data lines ensures complete protection of your equipment from surges. It is very important to protect your equipment from "back door" surges traveling through data lines, as they can be as damaging to your equipment as surges traveling over power lines. Replaceable surge protection modules Allows you to use any combination of APC's rack-mount surge protection modules and replace them quickly and conveniently if needed. Fail Safe Mode Most other surge suppressors continue to let power through even after their circuits have been damaged, leaving your equipment exposed to future surges. APC’s SurgeArrest fail safe, which means that once the circuit of an APC SurgeArrest has been compromised the unit disconnects equipment from the power supply ensuring that no damaging surges reach your equipment. Lightning and Surge Protection To prevent damage to your equipment from power surges and spikes. Technical Specifications Physical Net Weight 0.65 lbs. ( 0.30 kg) Maximum Height 1.75 inches ( 44 mm) Maximum Width 4.00 inches (102 mm) Maximum depth 3.25 inches ( 83 mm) Shipping Weight 0.97 lbs. ( 0.44 kg) Shipping Height 2.50 inches ( 64 mm) Shipping Width 5.75 inches (146 mm) Shipping Depth 5.00 inches (127 mm) Master Carton Units 38.00 Master Carton Dimensions (Length x Width x Height) 15.5 X 12 X 17.5 inches Master Carton Weight 38.50 lbs. SCC Codes 3073130421717 7 Color Black Environmental Operating Environment 5 - 113 °F (-15 - 45 °C) Operating Relative Humidity 0 - 95% Operating Elevation 0-10000 feet (0-3000 meters) Storage Temperature 5 - 113 °F (-15 - 45 °C) Storage Relative Humidity 0 - 95% Storage Elevation 0-10000 feet (0-3000 meters) Conformance Regulatory Approvals TUV,VDE Standard Warranty Lifetime