The Simplex 4100-6415 DSL Retrofit Harness is a critical component designed for comprehensive fire alarm system retrofitting and modernization projects. Engineered specifically for commercial and institutional fire alarm infrastructure, this precision-manufactured harness enables seamless electrical connectivity and signal transmission within complex addressable notification appliance circuits. Fire alarm technicians and facilities managers rely on this component to maintain system integrity during panel upgrades, component replacements, or system expansions.
Constructed with high-grade electrical connectors and robust wiring interfaces, the 4100-6415 retrofit harness provides reliable signal routing for Simplex addressable fire alarm platforms. Its engineered design facilitates direct compatibility with legacy 4100 series control panels, allowing technicians to modernize existing fire detection systems without complete panel replacement. The harness supports critical communication pathways between detection devices, notification appliances, and central monitoring systems.
Key Features
- Direct replacement component for Simplex 4100 series addressable fire alarm control panels
- Compatible with complex multi-zone commercial fire detection infrastructures
- Precision-engineered electrical connectors with low-resistance signal transmission
- Designed to meet NFPA 72 National Fire Alarm and Signaling Code requirements
- UL Listed for commercial fire alarm system applications
- Supports continuous electrical circuit monitoring and fault detection
Technical Specifications
- Operating Temperature Range: 32°F to 120°F (0°C to 49°C)
- Listed Standards: UL 864, UL 268, NFPA 72
- Electrical Rating: 24VDC nominal circuit voltage
- Connection Type: Direct-wire retrofit interface
Typical installation environments include commercial office complexes, educational facilities, healthcare campuses, and institutional buildings requiring sophisticated fire detection and notification infrastructure. Facility managers and fire protection contractors will find this retrofit harness essential for maintaining code-compliant fire alarm systems with minimal system downtime.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 0.2 lbs |
|---|---|
| Dimensions | 9 × 6 × 5 in |
| Condition | New |
| Manufacturers | Simplex |
| Part Type | Replacement Part |






