KC2 Series Conventional Smoke & Heat Detectors
Reliable, Low-Profile Detection You Can Trust
The KC2 Series Conventional Smoke, Heat, and Combination Detectors deliver dependable fire detection performance with enhanced resistance to nuisance alarms. Designed for compatibility with AEGIS™-PHX, AEGIS™ 2.0, and AEGIS™-XLT control units, these detectors bring advanced sensing technology to a compact, ceiling-friendly form factor, ideal for commercial, industrial, and life-safety environments.
Certified to the latest UL 268 (7th Edition) and UL 521 standards, KC2 detectors meet today’s stringent requirements for sensitivity, stability, and false-alarm immunity, helping ensure fast, accurate response when it matters most.
Key Advantages
- Multi-criteria optical sensing
Differentiates real smoke from steam or dust to prevent nuisance alarms. - Flexible configuration
Available in Smoke, Heat, or Smoke-Heat Combination models for tailored protection. - Universal compatibility
Integrates with all current Kidde Fire Systems conventional control panels.
- Low-profile design
Blends discreetly into ceilings while maintaining easy visibility of status LEDs. - Self-diagnostics
Continuously monitors detector operation to ensure long-term reliability. - Quick installation
Snap-on base connection and accessible terminals simplify setup and servicing.
Applications
The KC2 Series detectors are ideal for:
- Data centers, offices, and storage areas
- Industrial and manufacturing environments with variable heat conditions
- Facilities needing dual-criteria (smoke + heat) detection for higher accuracy
- Retrofit projects replacing legacy 700-Series detectors
System Architecture
Product Models
| MODEL | TYPE | DETECTION METHOD | DESCRIPTION |
|---|---|---|---|
| KC2-OS-CD | Smoke | Photoelectric | Detects visible particles of combustion using advanced optical technology |
| KC2-H-CD | Heat | Rate-of-Rise + Fixed Temperature | Detects rapid temperature increase or exceeds 135 °F alarm point |
| KC2-OSH-CD | Combination | Photoelectric + Heat | Dual sensing technology for greater reliability across variable conditions |
Installation & Compatibility
KC2 detectors mount easily to KC2-SB / KC2-SB4 Standard Bases or KC2-RB / KC2-RB4 Relay Bases using standard North American or European electrical boxes.
Trim skirts and remote LED indicators are available for clean installations or hard-to-see locations.
They are fully compatible with Kidde Fire Systems control panels including AEGIS™, AEGIS™ 2.0, AEGIS™-XLT, and legacy 700-Series models, per UL-listed compatibility tables.
Technical Specifications
| PARAMETER | SPECIFICATION |
|---|---|
| Operating Voltage | 6.5 – 33 V DC |
| Standby Current | 88 µA @ 18 V DC |
| Alarm Current | Up to 60 mA (max, limited by panel) |
| Sensitivity (Smoke) | 0.5 – 4.36 %/ft obscuration |
| Heat Detection | Rate-of-Rise 15 °F/min (8 °C/min), Fixed 135 °F (57 °C) |
| Operating Temperature | 32 °F – 100 °F (0 °C – 38 °C) |
| Humidity Range | 0 – 93 % RH (non-condensing) |
| Dimensions (Detector + Base) | 4.4 in D × 2.625 in H (11.18 cm × 6.67 cm) |
Compliance & Certifications
- FM Approved
- cULus Listed
- California State Fire Marshal Listed
Technical Documents
- Kidde Fire Systems KC2-OSH-CD Two-Wire Conventional Heat And Optical Smoke (Combination) DetectorDownload PDF
Data Sheet · 688 KB
- Kidde Fire Systems KC2-H-CD Two-Wire Conventional Heat DetectorDownload PDF
Data Sheet · 643 KB
- Kidde Fire Systems KC2-OS-CD Two-Wire Conventional Optical Smoke DetectorDownload PDF
Data Sheet · 672 KB
- Kidde Fire Systems SuperDuct ESD-4WJ Four-Wire Duct DetectorDownload PDF
Data Sheet · 2.2 MB
- Kidde Fire Systems SuperDuct SD-2W Two-Wire Duct DetectorDownload PDF
Data Sheet · 1.8 MB
- KF One Stop Solution Sell Sheet SSK-OSSDownload PDF
Sell Sheet · 1.8 MB
- KF Capabilities BrochureDownload PDF
Brochures · 5.5 MB
Protect What Matters Most
Whether you’re outfitting a single room or a full facility, KC2 Series Detectors combine advanced technology, flexible installation, and a legacy of reliability.
Frequently asked questions
Where can I buy genuine Conventional Detectors in Vietnam?
Conventional Detectors is supplied in Vietnam by KiddeFenwal Vietnam with technical documentation, certificates and engineering support. Send a quotation request for a project-specific proposal.
Is original technical documentation available for Conventional Detectors?
Yes. Data sheets, design–installation–maintenance manuals and listings are in the Document Library; final specifications follow the latest KiddeFenwal data sheet.
How are price and lead time determined?
Fire protection systems are configured per project (protected area, standards, accessories), so pricing and lead time are quoted individually after the KiddeFenwal Vietnam engineering team reviews your requirements.
Need advice or a quote for this product?
KiddeFenwal Vietnam brings the full Kidde Fire Systems, Fenwal Controls and Kidde Fire Protection portfolio – fire detection, suppression and safety controls – to critical industries in Vietnam.