Federal Signal K859901989A-1800 EOL/Series Resistor 1.8K Ohm
Special Order: typically 2–6 weeks
Ships directly from the manufacturer. This is an estimated lead time, not a guaranteed delivery date.
Availability can change and lead times may be longer. If your project has a deadline, check with us before ordering.
A member of our team will check with the manufacturer and personally reply by email.
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Key Features
- Ensures reliable end-of-line supervision for fire alarm circuits, improving monitoring accuracy and reducing false alerts
- Precision 1.8K Ohm resistor value (K859901989A-1800) for consistent circuit termination and detector supervision
- Designed for use with Federal Signal flameproof and hazardous-location call points and fire alarm control panel accessories
- Simple, low-profile accessory that streamlines installation and maintenance to minimize system downtime
- Robust component selection supports security and surveillance system integrity in industrial and hazardous environments
Quick Specifications
- Product Model
- K859901989A-1800
- Brand Name
- Federal Signal
- Product Type
- Resistor Module
- Manufacturer Part Number
- K859901989A-1800
Explore the details
Product information
K859901989A-1800
Overview
Deliver dependable end-of-line supervision for fire alarm loops with the Federal Signal K859901989A-1800 EOL/Series Resistor 1.8K Ohm. As a Fire Alarm Control Panel Accessory from Federal Signal, this resistor provides the precise 1.8K Ohm termination needed to maintain supervised circuits and consistent monitoring across detection and call-point assemblies. Proper end-of-line resistance helps reduce nuisance alarms and ensures the control panel can accurately detect open or short conditions — a core requirement for reliable security and life-safety monitoring.
Specifically engineered to integrate with Federal Signal flameproof and hazardous-location call points, the K859901989A-1800 (manufacturer part number K859901989A-1800) is a compact, easy-to-install accessory that supports field servicing and inventory standardization. Its predictable electrical characteristics make it ideal for technicians and systems integrators who manage fire alarm, surveillance, and overall security infrastructure in industrial sites. Add this durable EOL resistor to your fire alarm accessory kit to maintain circuit supervision and improve system uptime — order now to support compliant, reliable monitoring solutions.
Features
- Ensures reliable end-of-line supervision for fire alarm circuits, improving monitoring accuracy and reducing false alerts
- Precision 1.8K Ohm resistor value (K859901989A-1800) for consistent circuit termination and detector supervision
- Designed for use with Federal Signal flameproof and hazardous-location call points and fire alarm control panel accessories
- Simple, low-profile accessory that streamlines installation and maintenance to minimize system downtime
- Robust component selection supports security and surveillance system integrity in industrial and hazardous environments
| General Information | |
|---|---|
| Brand Name | Federal Signal |
| Product Type | Resistor Module |
| Product Model | K859901989A-1800 |
| Manufacturer Part Number | K859901989A-1800 |
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Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- K859901989A-1800
- Manufacturer part:
- K859901989A-1800
How do I confirm compatibility?
Check the specifications and manufacturer documents for your existing system. Send us your model numbers and project requirements if you need help selecting equipment or accessories.
Ask a product specialistWhen will this item ship?
Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.
Shipping, freight and delivery detailsWhat should I know about returns?
Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.
Read return eligibility and exclusionsFederal Signal K859901989A-1800 EOL/Series Resistor 1.8K Ohm
K859901989A-1800