Federal Signal K859901989A-0470 EOL/Series Resistor 470 Ohm

Maintain dependable loop supervision and reduce nuisance alerts with the Federal Signal K859901989A-0470 EOL/Series Resistor 470 Ohm. This purpose-built resistor is a fire alarm control panel accessory designed to provide a stable 470 Ω termination for supervised detection loops, ensuring accurate end-of-line monitoring and reliable fault reporting. As an OEM Federal Signal resistor (model K859901989A-0470, MPN K859901989A-0470), it delivers predictable performance and compatibility with a wide range of control panels and detection modules used in security, surveillance, and fire monitoring systems.

The correctly specified 470 Ohm value keeps supervising currents and voltage thresholds within manufacturer tolerances, helping technicians avoid troubleshooting delays and lowering lifecycle costs. Its compact form factor makes installation simple at zone endpoints or inside enclosures, streamlining commissioning and ongoing maintenance. Ideal for commercial, industrial, and hazardous-location projects, this resistor supports robust alarm system performance and compliance with supervised circuit requirements.

Add the Federal Signal 470 Ω EOL resistor to your next fire alarm or security deployment to improve circuit reliability and simplify inspections. Contact your sales rep or add to cart to ensure proper supervision of your monitoring system.

• Ensures reliable loop supervision and end-of-line monitoring to reduce false alarms and maintain system integrity
• OEM Federal Signal part (K859901989A-0470) for guaranteed compatibility with fire alarm control panel accessories
• Precisely rated 470 Ohm resistance for consistent circuit termination and stable supervisory signaling
• Easy to install inline or at zone endpoints to simplify system commissioning and maintenance
• Small, low-profile component that supports scalable security, fire detection, and monitoring installations