Kidde VS4-RD


Four loop system, one 250-point loop installed. 110v, red door, with dialer.

Availability: Please Call for Lead Time

  • Factory New
Brand: Kidde Part #: 7427 Categories: , Manufacturer Part #: VS4-RD Tags: ,


Kidde brand intelligent life safety systems offer the power of high-end intelligent processing in configurations that deliver uncomplicated solutions for small to mid-sized applications. With intelligent detection, electronic addressing, automatic device mapping, optional Ethernet® connectivity, and a full line of easily-configured option cards and modules, these flexible systems offer versatility that benefits building owners and contractors alike.

The VS4 provides one Class A or Class B intelligent device loop that supports up to 250 device addresses. Loop controller modules may be added in combination to expand total system capacity in 250-point increments to up to 1,000 device addresses. VS4 panels include four NACs that may be wired for either Class A or Class B operation.

VS Series supports a wide range of high-end features, including:

  • Intelligent modules, detectors, and bases
  • GSA-REL Releasing Modules
  • R-Series remote annunciators
  • Integrated Carbon Monoxide gas sensing with V-PCOS detectors including distinct audible signaling


Dimensions 28.00 × 15.75 × 3.85 in







  • Auto-programming speeds installation time
  • Supports V-Series intelligent modules and detectors
  • Form C contacts for alarm and trouble, Form A for supervisory
  • Electronic addressing with automatic device mapping
  • Optional Ethernet port for diagnostics, programming and a variety of system reports
  • Two programmable switches with LEDs and custom labeling
  • Supports Genesis horn silence over two wires, and UL 1971-compliant strobe synchronization
  • Supports GSA-REL releasing module for fire suppression
  • Class B or Class A wiring
  • Ground fault detection by module
  • Supports up to eight serial annunciators, (LCD, LED-only, and graphic interface)
  • Can use existing wiring for most retrofit applications
  • Upload/download remotely or locally
  • Two-level maintenance alert reporting
  • Pre-alarm and alarm verification by point
  • Adjustable detector sensitivity
  • 4 x 20 character backlit LCD display
  • Optional earthquake hardening: seismic Importance Factor 1.5
  • Standalone operation
  • Transmission test frequency by hour
  • Alarm ON command manually activates alarm condition


Intelligent Fire Alarm Systems; VS1, VS4
Kidde – Data Sheet


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