Itw ITW-UP3B-27 66 Block Ul Primary Or Secondary Surge Protector 27 V Must Be Ordered In Multiples Of 25

66 Block Primary or Secondary 27V Surge Protector UL Primary and Secondary listed with 350mA fuse for voice/fax/modem line (27V) Dual Indicator Lights: Protection OK and Ground Connection OK Solid-State Protection Single Pair Protection: Protect only the lines requiring protection Ideal for Retrofit Applications: Just remove the bridging clips from the block and replace them with the Protector, add the ground connection, and the pair is connected Grounding Requirements: Field-installed solid copper wire Recommended Grounding Impedance: <0.5 Ohm Fuse Rating: 350mA (1.6 Ohms) Signal Perfect Circuitry Clamping Level: 27V Response Time: 1-5 Nanoseconds Capacitance: <50pF Suppression Modes: Metallic and Longitudinal Wires Protected: 2-wires, 1 pair Termination Type: 66 M Blocks