SKE-450 | Silent Knight Voice Evacuation Control Panel PC Board 50W

Silent Knight · Industrial Automation & Electrical

SKE-450 | Silent Knight Voice Evacuation Control Panel PC Board 50W

Description  The Silent Knight SKE-450 is a powerful voice evacuation control panel that delivers 50 watts of audio output over Class A or B speaker circuits. Designed for fire alarm applications, it combines digital audio processing with easy programming and high reliability.     Technical Specifications  Condition New/Never Used Surplus Brand Silent Knight Category Fire Safety Systems Part Number SKE-450 Subcategory Voice Evacuation Panels Output Power 50 Watts Speaker Circuit 25 or 70.7 VRMS (Class A or B) Digital Message Repeater Built-in, 3 messages (30s/30s/45s) Audio Processing Digital Signal Processor Microphone Supervised, built-in Alarm Inputs Reverse polarity, supervised dry contact Cabinet Type Dead Front Certifications UL Listed, MEA 429-92-E Vol. XI, CSFM Dimensions (H×W×D) 26.4" × 17.2" × 4" Weight 16 lbs       Information About SKE-450 The SKE-450 is part of Silent Knight’s SKE-Series Voice Evacuation Systems, designed to support both new and retrofit fire alarm installations. The unit includes a built-in Digital Message Repeater (DMR), a supervised microphone, and a reliable 50W amplifier for clear, intelligible evacuation messages. It operates on either 25 or 70.7 VRMS speaker circuits and allows for flexible message programming via microphone, line input, or internet download. The SKE-450 provides dual alarm input options (reverse polarity and dry contact), ensuring compatibility with a range of fire alarm control panels and emergency notification systems. Key Features: 50W Output Power: Delivers strong audio performance on 25 or 70.7 VRMS speaker circuits for reliable notification. Class A/B Speaker Circuit Support: Provides wiring flexibility for a wide range of installation types. Built-in Digital Message Repeater: Stores 3 messages—two built-in (30 sec) and one field-programmable (45 sec)—to streamline setup. Direct Message Download: Supports downloading of custom voice messages from the SK website at no cost. Digital Signal Processor (DSP): Generates tones and manages control functions with high-quality audio. Supervised Microphone: Allows paging and message programming directly through the panel, with supervision for fault detection. Dual Alarm Inputs: Supports both reverse polarity and supervised dry contact for triggering evacuation. Dead Front Cabinet Design: Prevents tampering and protects users from exposed electronics. Certified for Compliance: UL Listed, MEA Approved (429-92-E Vol. XI), and CSFM Listed for code compliance. Flexible Programming Options: Audio messages can be programmed via mic input, line-level input, or internet download. The SKE-450 combines safety, versatility, and user-friendly configuration to meet demanding emergency voice communication standards.

Brand: Silent Knight · Category: Industrial Automation & Electrical

Key features

Specifications

Manufacturer part numberSKE-450
ConditionNew/Never Used Surplus
BrandSilent Knight
CategoryFire Safety Systems
Part NumberSKE-450
SubcategoryVoice Evacuation Panels
Output Power50 Watts
Speaker Circuit25 or 70.7 VRMS (Class A or B)
Digital Message RepeaterBuilt-in, 3 messages (30s/30s/45s)
Audio ProcessingDigital Signal Processor
MicrophoneSupervised, built-in
Alarm InputsReverse polarity, supervised dry contact
Cabinet TypeDead Front
CertificationsUL Listed, MEA 429-92-E Vol. XI, CSFM
Dimensions (H×W×D)26.4" × 17.2" × 4"
Weight16 lbs
Product typeVoice Evacuation Panels

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