Simplex 4905-9929
Simplex 4905-9929
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Simplex 4905-9929 TrueAlert Isolator+ Module
The 4905-9929 is an addressable isolator module for TrueAlert fire alarm circuits that prevents short circuited wiring from affecting functioning circuits. It features automatic isolation, dual-port design, and UL 864 listing for use in addressable fire detection systems.
Key Features:
• Dual Port Design: Accepts communications and power on either port, automatically isolates affected port on short circuit
• Circuit Protection: Provides isolation within branch and T-tap wiring to reduce impact on functioning TrueAlert addressable appliances
• Electrical Specs: 15mA Max module current at 24VDC; Relay contacts rated 3A at 30VDC
• Status Indication: On-board yellow LED provides module status; communicates with control panel or activates from diagnostics
• Mounting: Mounts in standard 4-inch square electrical box, 54mm deep
• Compliance: UL 864 listed for fire alarm system use
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