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
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