Federal Signal K859901989A-3300 EOL/Series Resistor 3.3K Ohm

Deliver dependable end-of-line supervision and clean circuit termination with the Federal Signal K859901989A-3300 EOL/Series Resistor. Engineered for installers and system integrators, this 3.3K Ohm resistor provides consistent resistance for supervised loops in fire alarm control panel accessories, improving fault detection and reducing nuisance alarms. As a Federal Signal product, the K859901989A-3300 model integrates smoothly with flameproof and hazardous-location call points and notification devices, helping maintain system integrity across demanding industrial and commercial environments.

With a precise 3.3K Ohm rating and OEM part number K859901989A-3300, this resistor supports accurate monitoring and reliable end-of-line termination for fire alarm, security, and surveillance installations. It simplifies wiring, speeds commissioning, and reduces long-term maintenance by ensuring predictable circuit behavior. Ideal for technicians working on fire alarm control panels, security monitoring loops, and hazardous-area call point deployments, this accessory helps keep detection and notification systems performing to spec. Add the Federal Signal K859901989A-3300 to your next installation to improve supervised loop reliability—order now to complete your fire alarm or security system setup.

• Ensures reliable circuit supervision and end-of-line termination for fire alarm and security systems
• 3.3K Ohm value provides consistent monitoring and fault detection in supervised loops
• Direct compatibility with Federal Signal call point and fire alarm control panel accessories for easy installation
• Durable component selection reduces nuisance alarms and simplifies maintenance for installers and service teams
• Suitable for hazardous and flameproof installations when used with Federal Signal call points, supporting regulatory compliance