Description
Johnson Controls A99BC-500C PTC Silicon Temperature Sensor Overview
The Johnson Controls A99BC-500C is a high-performance PTC (Positive Temperature Coefficient) silicon temperature sensor engineered for reliable, accurate temperature measurement across a wide range of HVAC and building automation applications. Featuring a high-temperature silicone cable and a generous 16-3/8 ft (5 m) cable length, this sensor is well-suited for installations where the sensing element must be located at a distance from the controller or panel.
Key Features
- PTC silicon sensing element for accurate, stable temperature measurement
- Wide operating temperature range: -40°F to 248°F (-40°C to 120°C)
- High-temperature silicone cable for durability in demanding environments
- 16-3/8 ft (approximately 5 m) cable length for flexible installation
- Designed for use with compatible Johnson Controls controllers and building automation systems
- Compact, reliable construction for long service life
Specifications
- SKU: A99BC-500C
- Brand: Johnson Controls
- Sensor Type: PTC Silicon
- Cable Type: High Temperature Silicone
- Cable Length: 16-3/8 ft (approx. 5 m)
- Temperature Range: -40°F to 248°F (-40°C to 120°C)
Applications
The A99BC-500C is ideal for use in commercial and industrial HVAC systems, building automation controls, hydronic heating and cooling systems, and any application requiring precise temperature sensing over an extended cable run. The high-temperature silicone cable ensures reliable performance even in environments with elevated ambient temperatures or exposure to oils and chemicals.







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