Network PA System – 4-Channel Lightning Protector (2U, 70V/100V, 20A)

Features:

- High‑grade aluminum 2U black anodized brushed panel, elegant and stylish.
- 4‑input, 4‑output design (70V/100V audio signal).
- Automatically cuts off output when lightning strikes, diverts lightning current to ground via a safe grounding network.
- High channel switching capacity: 70‑100V/20A audio signal.
- Equipped with lightning protection, overvoltage protection and leakage protection functions for public address systems.

This **Network PA System** lightning protector ensures the safety of your PA equipment by providing multi‑channel surge suppression and fault isolation.

Technical Specifications:

- Control Channels: 4 groups (CH1~CH4), selectable arbitrarily.
- Input Capacity: 70/100V, 20A audio signal per channel.
- Output Capacity: 70/100V, 20A audio signal per channel.
- Lightning Protection Level: Meets IEC529/EN60529 protection standard, IP20.
- Overvoltage Protection Threshold: 165 ~ 300V (peak).
- Rated Discharge Impulse Current: Iimp(8/20)μs current peak: 30KA.
- Leakage Protection Current: ≤10mA.
- Insulation Resistance: ≥10MΩ.
- Alarm Activation Output Level: (0V) short‑circuit signal (ACTIVE OUT).
- Function Control: 1 power switch, 1 short‑circuit power activation port.
- Indicators: Power: "POWER", Running: "RUN", Fault Protection: "PROTECT".
- Protection: AC FUSE(0.5A)×1.
- Power Cord: (3×0.75 mm²)×1.5M (standard).
- Power Supply: AC220V ± 10% 50‑60Hz.
- Power Consumption: 20~25W.
- Machine Dimensions: 89(H)×483(W)×350(D) mm.
- Net Weight: 7.9Kg.

In summary, this **Network PA System** 4‑channel lightning protector with high surge current capacity and comprehensive safety features is the ideal choice for protecting public address systems in schools, stadiums, commercial buildings, and outdoor installations where lightning risks are present.