Description
The ACI 117853 is a split core, normally open (NO) current switch designed for reliable current sensing and load monitoring in commercial and industrial HVAC applications. Its split core design allows for quick, tool-friendly installation around existing conductors without the need to disconnect wiring, minimizing downtime and simplifying retrofits.
Key Features
- Split core construction for easy installation on existing wiring — no wire disconnection required
- Normally open (NO) output configuration
- Wide sensing range of 0–150A to accommodate a broad variety of loads
- Ideal for HVAC equipment monitoring, fan and pump proving, and building automation applications
- Compact, durable housing suited for panel or field mounting
Typical Applications
- Fan and pump status verification in air handling and hydronic systems
- Motor run/proof detection in commercial HVAC controls
- Building automation and energy management system integration
- Load monitoring and fault detection on motors and compressors
Why Choose ACI?
Automation Components Inc. (ACI) is a trusted manufacturer of sensors and controls engineered for the demands of commercial building automation and HVAC systems. The 117853 current switch reflects ACI’s commitment to accurate, dependable sensing solutions that integrate seamlessly with modern building controls.







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