Kidde KC2-SB4 Standard Smoke Detector Base with Trim Skirt, Terminals
Key Features
- Simplifies installation and wiring for commercial fire systems — fits standard 4-inch square electrical boxes for fast mounting
- Provides secure connections with 4 terminals and LED indicator support to improve monitoring and diagnostics
- Includes SIGA-TS4 6" trim skirt for a neat, professional finish that blends with existing surveillance and security layouts
- Compatible with Optica KC2 series smoke and heat detectors to streamline system design and reduce parts complexity
- US-made reliability and broad model replacement compatibility for easier upgrades and maintenance planning
Quick Specifications
- Product Model
- KC2-SB4
- Brand Name
- Kidde Commercial
- Product Name
- Standard base w/trim skirt, 4 terminals, 6" dia
- Product Type
- Detector Base
Product Information Tabs
Overview
Make detector installation faster and more reliable with the Kidde Commercial KC2-SB4 standard detector base. Designed for commercial security and fire monitoring applications, this detector base delivers a professional, code-compliant mounting solution for Optica KC2 smoke and heat detectors. The base simplifies wiring with four sturdy terminals and supports a remote LED indicator, improving on-site diagnostics and ongoing supervision of alarm circuits. Built to mount on standard 4-inch square electrical boxes, the unit includes a SIGA-TS4 6" diameter trim skirt for a clean, low-profile appearance in finished ceilings. Rated for 33V DC input and compatible with both smoke and heat detectors, the KC2-SB4 integrates easily into existing surveillance, security, and building monitoring systems. Manufactured in the U.S. and designed to replace multiple legacy models, it reduces inventory complexity and supports quicker service calls. Ideal for contractors, integrators, and facilities teams specifying detector accessories and bases, the Kidde KC2-SB4 delivers dependable connections and a professional finish — order now to streamline installs or specify it for your next commercial fire alarm project.
Features
- Simplifies installation and wiring for commercial fire systems — fits standard 4-inch square electrical boxes for fast mounting
- Provides secure connections with 4 terminals and LED indicator support to improve monitoring and diagnostics
- Includes SIGA-TS4 6" trim skirt for a neat, professional finish that blends with existing surveillance and security layouts
- Compatible with Optica KC2 series smoke and heat detectors to streamline system design and reduce parts complexity
- US-made reliability and broad model replacement compatibility for easier upgrades and maintenance planning
| General Information | |
|---|---|
| Brand Name | Kidde Commercial |
| Manufacturer | Carrier |
| Product Name | Standard base w/trim skirt, 4 terminals, 6" dia |
| Product Type | Detector Base |
| Product Series | KC2 |
| Manufacturer Part Number | KC2SB4 |
| Technical Information | |
| Device Supported | Heat Detector, Smoke Detector |
| Others | |
| Model Number Replaces | 281B-PL, 283B-PL, 521BXT, 521NCRXT, 521NCSXT, 541NCRXT, 541NCSRXT, 731U |
| Physical Characteristics | |
| Depth | 4" |
| Height | 1.8" |
| Power Description | |
| Input Voltage | 33V DC |
| Miscellaneous | |
| Features | LED Indicator |
| Country of Origin | US |