The Hochiki SCI Short Circuit Isolator is a critical component designed to enhance the reliability and fault tolerance of commercial fire alarm detection systems. Engineered specifically for addressable fire alarm circuits, this detector base provides essential protection against potential short circuit failures that could compromise an entire alarm zone. Professional installers and facilities managers rely on this device to maintain continuous fire detection coverage in high-stakes environments where electrical system integrity is paramount.
Strategically positioned within alarm circuit wiring, the SCI isolator automatically disconnects the problematic circuit segment when a short circuit is detected, preventing electrical faults from disabling multiple detection devices. This intelligent design ensures that other detector zones remain fully operational, maintaining comprehensive fire protection across commercial facilities such as office complexes, healthcare facilities, educational institutions, and industrial environments.
Key Features
- Compliant with NFPA 72 National Fire Alarm and Signaling Code standards for fire detection system reliability
- Compatible with standard 4″ electrical boxes and commercial addressable fire alarm panels
- Automatic short circuit isolation prevents complete circuit failure during electrical faults
- Robust construction supports consistent performance in diverse environmental conditions
- Seamless integration with Hochiki addressable detection systems and compatible third-party panels
- Low-resistance circuitry maintains minimal voltage drop across detection zones
Specifications
- Operating Voltage: 24VDC nominal
- Maximum Circuit Current: 250mA
- Temperature Range: 32°F to 120°F (0°C to 49°C)
- Mounting: Standard 4″ electrical box compatibility
- Agency Listings: UL 268, UL 464 approved
Professional fire alarm technicians will appreciate the SCI’s precision engineering, which provides a critical safeguard against potential system-wide electrical interruptions. By isolating short circuit events, this detector base helps maintain the continuous, reliable operation that is essential in life safety system design.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 1.6 lbs |
|---|---|
| Dimensions | 3 × 6.6 × 6 in |
| Condition | New |
| Manufacturers | Hochiki |
| Part Type | Detector Base |
