SIlent Knight SKE-450 Voice Evacuation System

The Silent Knight SKE-450 is a self-contained 50-watt voice-evacuation control panel that integrates a digital message repeater, supervised microphone, and power supply inside a tamper-resistant dead-front cabinet. It supports Class A or Class B speaker circuits at 25 VRMS (or 70.7 VRMS when paired with the optional converter) and activates on either reverse-polarity or supervised dry-contact inputs, playing up to three stored voice messages—two factory-recorded (≤ 30 s) and one field-programmable (≤ 45 s)—for clear, code-compliant evacuation instructions. Key Specifications: Type: Voice-evacuation panel, 50 W amplifier Speaker Output: 50 W RMS @ 25 V (Class A/B); 70.7 V with SKE-V70 converter Alarm Inputs: 1 reverse-polarity and 1 supervised dry-contact Message Capacity: 3 total (2 × 30 s factory, 1 × 45 s field-programmable) Primary Power: 120 VAC ± 10 % @ 60 Hz Current Draw: 140 mA standby, 590 mA alarm (panel only) Operating Environment: 32–120 °F (0–49 °C), 10–93 % RH non-condensing Compatible Modules & Accessories: SKE-V70 – 25 → 70.7 V speaker-line converter SKE-SRM – Supervised remote microphone for additional paging points