The Simplex 4081-9010 End-of-Line (EOL) resistor represents a critical component in commercial fire alarm circuit design, providing essential electrical termination and supervision for alarm notification circuits and initiating device zones. Engineered for precision and reliability, this 1K ohm, 1-watt resistor ensures consistent circuit monitoring and enables rapid fault detection in complex fire alarm system architectures.
Designed for professional installers and system integrators, this EOL resistor is a standard component in addressable and conventional fire alarm panels across commercial, institutional, and industrial facilities. Its robust construction supports comprehensive circuit supervision, allowing control panels to distinguish between normal circuit conditions, alarm states, and potential wiring faults or device failures.
Key Features
- 1 kilohm (1K) resistance with 1-watt power rating for precise circuit termination
- Compatible with Simplex fire alarm control panels and most industry-standard notification circuits
- Meets NFPA 72 National Fire Alarm and Signaling Code requirements for circuit supervision
- UL Listed component for commercial fire alarm system installations
- Compact design facilitates easy integration in electrical junction boxes and panel enclosures
- Supports reliable monitoring of initiating device circuits, notification appliance circuits, and zone interfaces
Typical Application Environments
- Commercial office buildings
- Educational facilities
- Healthcare complexes
- Industrial manufacturing plants
- Hospitality and multi-tenant residential structures
Specifications
- Resistance: 1,000 ohms ±5%
- Power Rating: 1 watt
- Operating Temperature: 32°F to 120°F (0°C to 49°C)
- Mounting: Standard electrical box or panel integration
- Compliance: UL 268, UL 464, NFPA 72
Professional fire alarm technicians rely on precision components like the Simplex 4081-9010 EOL resistor to maintain the integrity and reliability of life safety systems. Proper installation and circuit configuration are essential for ensuring comprehensive fire detection and notification performance.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 0.1 lbs |
|---|---|
| Dimensions | 4.5 × 4 × 0.25 in |
| Condition | New |
| Manufacturers | Simplex |
| Part Type | Replacement Part |
