Description
The ACI ECMCS25-A is a split core current switch designed for reliable current sensing and load verification in HVAC and building automation applications. By detecting the presence or absence of current flow in a monitored conductor, this switch provides a simple, cost-effective solution for proving equipment operation — ideal for confirming that fans, pumps, compressors, and other motor-driven loads are running as commanded.
Key Features
- Split core design allows installation around an existing conductor without disconnecting wiring — no wire splicing required
- Provides a dry contact output that changes state when current is detected, enabling easy integration with building automation systems, DDC controllers, and alarm panels
- Ideal for proving operation of fans, pumps, compressors, and other motor loads in HVAC systems
- Compact, durable housing suitable for panel or field mounting
- Simplifies commissioning and troubleshooting by delivering real-time current status feedback
- Manufactured by ACI (Automation Components Inc.), a trusted name in building automation sensing and control
Typical Applications
- Fan and pump proof-of-operation verification
- Motor load monitoring in air handling units and hydronic systems
- Equipment status feedback for DDC and BAS systems
- Fault detection and alarm integration
Why Choose the ACI ECMCS25-A?
The split core form factor makes installation fast and non-invasive — simply clamp the sensor around a single current-carrying conductor and wire the output to your control system. This eliminates the need to interrupt power to the monitored circuit, reducing installation time and minimizing system downtime. Whether you are verifying HVAC equipment operation in a commercial building or integrating current status into a broader automation strategy, the ECMCS25-A delivers dependable performance in a straightforward package.
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