Description 

The Simplex 4007-9801 is a zone relay board designed for use with Simplex fire alarm control systems. Operating at 25 V, it provides reliable relay outputs via male pin headers and screw clamp terminals for field wiring.

Technical Specifications 

Information About 4007-9801

The 4007-9801 is part of Simplex’s modular fire alarm system components, engineered to extend system functionality with additional zone relay capability. Each board provides output relays to control external devices such as fans, doors, or auxiliary equipment during alarm events. Built with durable connectors, it supports both male pin headers for panel integration and screw clamp terminals for secure field connections. Though discontinued by the manufacturer, it remains widely used for service, repair, and legacy Simplex fire alarm installations.

Key Features:

• Zone Relay Expansion: Provides additional relay outputs for fire alarm systems.
• 25 V Operation: Designed to function within standard fire alarm system voltage ranges.
• Multiple Connections: Equipped with male pin headers and screw clamp terminals.
• System Integration: Compatible with Simplex fire alarm control systems.
• Auxiliary Control: Supports external equipment such as HVAC shutdown or door release.
• Durable Design: Built for long-term reliability in supervised fire alarm networks.
• Legacy Support: Ideal for maintaining or repairing existing Simplex installations.

The 4007-9801 delivers the reliability and precision required for auxiliary control in supervised fire alarm systems.