Description
Johnson Controls CSD-CF0A0-1 Clamp/Split Core Current Switch
The Johnson Controls CSD-CF0A0-1 is a clamp/split-core current switch engineered for reliable under-current sensing in commercial and industrial HVAC applications. With a fixed setpoint threshold and a built-in LED status indicator, this switch provides a clear, at-a-glance confirmation of system operating status — making commissioning and troubleshooting faster and more efficient. The normally open (N.O.) switch output integrates seamlessly into building automation and control systems, triggering alerts or downstream actions when current falls below the preset threshold.
The split-core design eliminates the need to break the circuit during installation, allowing technicians to clamp the sensor directly around an existing conductor for quick, non-invasive setup. Its wide operating temperature and humidity tolerance makes it suitable for demanding mechanical room environments.
Key Features
- Clamp/split-core design for non-invasive, tool-free installation on existing conductors
- Fixed setpoint threshold for consistent, repeatable under-current detection
- LED display for immediate visual status indication
- Under-current sensing mode detects loss of load or equipment failure
- Status output: Switch Normally Open (N.O.) for easy integration with control panels and BAS
- Operating temperature range: 5°F to 140°F
- Operating humidity range: 0–95% Non-Condensing
Typical Applications
- Fan and pump proving in air handling units and hydronic systems
- Motor run verification and load monitoring
- Building automation system (BAS) integration
- HVAC equipment fault detection and alarming
Product Specifications
- SKU: CSD-CF0A0-1
- Brand: Johnson Controls
- Sensor Type: Clamp / Split Core Current Switch
- Setpoint Type: Fixed
- Sensing Mode: Under Current
- Display: LED Status Indicator
- Output Type: Switch, Normally Open (N.O.)
- Operating Temperature Range: 5°F – 140°F
- Operating Humidity Range: 0–95% Non-Condensing
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