Surge Protection For Business-Critical ContinuityTM Edco SRA64 Series 1 Pair Data/Signal The Edco SRA64 Series surge suppressor is a single pair cube implementing three-stage hybrid technology. This cube addresses over voltage transients with gas tubes and silicon avalanche components. In addition, sneak and fault currents are mitigated with resettable fuses (PTCs). The PTCs increase resistance several orders of magnitude when over-currents exceed safe levels. A normal state resumes when over-currents are removed. The ability to self restore in this manner significantly increases suppressor performance and survivability. The standard Edco SRA64 second stage clamps are placed from each signal line-toground. In certain cases, where ground potentials vary from site-to-site, a line-to-line only second stage clamp may be preferred. This variation is specified by a suffix “D” on the part number. In other cases, line-to-line and line-to-ground second stage clamps may be preferred. This variation uses an “X” suffix on the part number. A variety of clamping voltages are available as standard. Reference the “How to Specify the Appropriate Model” section to insure that a complete part number description is obtained. Edco SRA64 Series 10kA (8 x 20 µs) Response Time <1 nanosecond Voltage Clamp 8, 15, 20, 30, 36, 43, 50, 60, or 270 Temperature Weight Dimensions Mounting Stud (standard) Warranty voltage signal lines Sneak/fault current protection Total Peak Surge Current Resistance Lightning protection for balanced low Multi-stage protection General Technical Specifications Part Number Features 5! (typical) -40°C to+85°C 2 oz. 1.15" Cube No.10-32 x 1/2" 5 years Caution The hybrid design of this product includes series resistance. Do not place this product in service on any signal lines capable of supplying more than 150?milliamperes continuously Differential and common mode protection Automatic recovery Fast response time Flame retardant epoxy encapsulated 5 year warranty How to Specify the Appropriate Model SRA64C VOLTAGE CLAMP 8 Volts 15 Volts 20 Volts 30 Volts 36 Volts 43 Volts 50 Volts 60 Volts *270 Volts 0 0 0 0 0 0 0 0 2 0 1 2 3 3 4 5 6 0 8 5 0 0 6 3 0 0 0 D no suffix stage 2 clamp each line-to-ground stage 2 clamp line-to-line only X stage 2 clamp line-to-line and each line to ground *Not UL Listed Wiring Assignments WHITE BLACK FIELD SIDE (Outside Plant) ELECTRONICS SIDE (Equipment) SRA64 Series BLACK/RED Emerson Network Power. The global leader in enabling Business-Critical ContinuityTM. WHITE/RED AC Power Embedded Computing Outside Plant Racks and Integrated Cabinets Connectivity Embedded Power Power Switching & Control Services DC Power Monitoring Precision Cooling Surge Protection Emerson Network Power Contact information www.emersonnetworkpower.com Headquarters Surge Protection 100 Emerson Parkway Binghamton, NY 13905 T: (607) 721-8840 T: (800) 288-6169 F: (607) 722-8713 E: [email protected] IO-50125 2/11 Rev. 3 Printed in USA Business-Critical Continuity, Emerson Network Power and the Emerson Network Power logo are trademarks and service marks of Emerson Electric Co. ©2011 Emerson Electric Co.