Protects four lines RJ-11 45 connectors

– Analog Station Set and Central Office Line Protector- Protects up to 2-wires (1-pair) per jack. Using RJ11/45 connectors (pins 4, 5)- Auto-Resetting Technology: PTC resistors open when a surge occurs, protecting your equipment, but unlike other fuses, the PTCs close again once the surge passes.- Expandable modular system- Applications: Analog and Central Office lines for PBX or KSU – Agency Approval: UL 497A (Secondary)- Grounding Requirements: Uses Electrical AC Ground- Recommended Grounding Impedance: <0.5 Ohm- Signal Perfect Circuitry- Auto-Resetting PTCs: 160 mA (8-10 Ohms)- Clamping Level: 260V- Response Time: 1-5 Nanoseconds- Capacitance: <50pF- Suppression Modes: Metallic and Longitudinal- Wires Protected: 2-wires (1-pair) per jack (pins 4, 5)- Termination Type: RJ11/45