The Simplex (4081-9003) End-of-Line Resistor Harness is a critical component in commercial fire alarm circuit supervision, designed to provide reliable electrical monitoring and fault detection across initiating device circuits. This precision-engineered resistor harness ensures continuous circuit integrity by enabling supervisory current flow and detecting potential line breaks or short circuits in fire alarm system wiring.
Engineered for compatibility with addressable and conventional fire alarm panels, this 4.7 kΩ resistor harness is a standard component in comprehensive life safety monitoring systems. Installed at the physical end of initiating device circuits, such as smoke detector zones, manual pull stations, or sprinkler flow switches, the harness provides a consistent electrical path that allows control panels to distinguish between normal circuit conditions and potential alarm or fault states.
Key Features
- Precisely calibrated 4.7 kΩ resistance for consistent circuit supervision
- Compatible with Simplex addressable and conventional fire alarm control panels
- Meets NFPA 72 National Fire Alarm and Signaling Code requirements
- UL Listed for fire alarm circuit monitoring applications
- Designed for reliable performance in commercial, industrial, and institutional environments
- Robust construction with high-temperature, flame-retardant insulation
Specifications
- Resistance Value: 4.7 kΩ ±5%
- Operating Temperature Range: 32°F to 150°F (0°C to 66°C)
- Maximum Voltage Rating: 50V DC
- Typical Circuit Current: 2-5 mA
Typical installation environments include commercial office complexes, healthcare facilities, educational institutions, manufacturing plants, and high-rise buildings where comprehensive fire detection and monitoring are critical. The Simplex (4081-9003) End-of-Line Resistor Harness integrates seamlessly with existing fire alarm infrastructure, providing a cost-effective solution for maintaining circuit supervision and system reliability.
Compliance with UL 268 (Smoke Detectors for Fire Protective Signaling Systems) and UL 464 (Audible Signaling Devices for Fire Protective Signaling Systems) ensures this component meets rigorous safety and performance standards required in professional fire alarm installations.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 0.03 lbs |
|---|---|
| Dimensions | 3 × 4.5 × 0.25 in |
| Condition | New |
| Manufacturers | Simplex |
| Part Type | Replacement Part |
