Description
Johnson Controls A11E-6 Low Temperature Cutout Freezestat
The Johnson Controls A11E-6 is a mechanical low temperature cutout freezestat engineered to protect HVAC coils, air handling units, and duct systems from freeze damage. With a wide voltage compatibility range of 24 to 277Vac, this freezestat integrates seamlessly into virtually any commercial or residential control circuit. Its automatic reset functionality reduces maintenance intervention, restoring normal operation once temperatures recover above the cutout threshold.
Key Features
- Wide voltage range: 24 to 277Vac for broad system compatibility
- SPDT (Single-Pole, Double-Throw) switching action for versatile control wiring
- Automatic reset — returns to normal operation without manual intervention once temperature rises
- Cutout temperature range: 35°F to 45°F, ideal for freeze protection applications
- Fixed differential: 12°F for consistent, predictable switching performance
- 4-foot capillary length for flexible mounting and routing
- 1/8″ x 20′ sensing element provides wide-area freeze detection across coil faces and duct sections
- Mechanical operation — no power required for sensing, ensuring reliable freeze protection
Specifications
- SKU: A11E-6
- Brand: Johnson Controls
- Control Type: Mechanical Temperature / Freezestat
- Voltage: 24 to 277Vac
- Switch Action: SPDT
- Reset Type: Automatic
- Cutout Temperature Range: 35°F to 45°F
- Fixed Differential: 12°F
- Capillary Length: 4 feet
- Sensing Element: 1/8″ diameter x 20′ length
Application
The A11E-6 freezestat is designed for use in air handling units, rooftop units, fan coil systems, and ductwork where low-temperature protection is critical. The long 20-foot sensing element averages temperature across the entire coil face, detecting localized cold spots that a single-point sensor would miss — providing superior freeze protection in demanding commercial HVAC environments.
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