Automation Components Inc (ACI) A/MSCS-A Switch

The Automation Components Inc (ACI) A/MSCS-A Switch is a high-performance split-core current switch engineered for precision monitoring in Building Management Systems. Designed for versatility, this adjustable current switch features a normally open (N/O) solid-state output capable of switching both AC and DC circuits up to 36 volts. Its innovative split-core design facilitates seamless retrofit installations by allowing the sensor to be clamped around existing conductors without disconnecting the electrical supply. With an adjustable trip point range from 0.70 to 150 Amps, the A/MSCS-A provides real-time status indication, helping operators identify motor failure, belt slippage, or mechanical breakdowns. The unit is self-powered via induction from the monitored line and includes dual Status LED indicators for immediate visual feedback on current levels. Compact and durable, it features a patented 35mm DIN-rail mounting flange for secure placement in tight enclosures.

Key Benefits

• Simplified Retrofitting: The split-core housing allows for fast installation without breaking existing wire connections or interrupting power.
• Precision Monitoring: Features an adjustable trip point to detect subtle changes in load, ensuring rapid notification of mechanical failure.
• Universal Compatibility: Non-polarity sensitive solid-state contacts work reliably with both AC and DC control circuits.
• Visual Diagnostics: Integrated LEDs provide clear status updates (Tripped, Current Present/Below Trip, or Current Off) at a glance.
• Efficient Design: Self-powered operation eliminates the need for external power supplies, reducing installation complexity.

Common Questions

Can this switch be used for both AC and DC loads?
Yes, the A/MSCS-A features solid-state contacts that are non-polarity sensitive, making them suitable for switching circuits up to 36V AC or DC.

Why choose a split-core over a solid-core current switch?
A split-core current switch is preferred for existing systems because it snaps directly over the wire, saving significant labor time compared to disconnecting and re-threading conductors.

What does the LED behavior indicate?
The LEDs signal three specific states: current is off/below range, current is present but below the trip point, or the switch has successfully tripped due to reaching the set amperage.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.