Veris Industries H-909 Switch

As a field technician, you know that verifying motor status is critical for preventing system downtime. The Veris Industries H-909 Switch is a high-performance split-core current switch designed specifically for line voltage loads in building automation and HVAC environments. This self-powered AC current monitor features a normally open (N/O) output rated at 0.2A @ 120V AC/DC, making it ideal for direct connection to digital inputs on building controllers. With an adjustable trip point spanning a wide 2.5 to 135A range, you can precisely calibrate the sensor to detect belt loss, coupling shear, or mechanical motor failure. The split-core current sensor design allows you to snap the unit over existing 14 AWG or larger insulated conductors without disconnecting the load, significantly reducing installation time compared to differential pressure switches. Equipped with local status LEDs for immediate feedback and a multi-position removable mounting bracket, the Hawkeye H909 provides the field flexibility required for tight starter enclosures and varied industrial process equipment.

• Adjustable Trip Point: Utilize the twenty-turn potentiometer to set precise amperage thresholds between 2.5A and 135A.
• Split-Core Convenience: Fasten the split-core current switch around conductors without interrupting the circuit.
• Self-Powered Operation: Induced power from the monitored line eliminates the need for an external power supply.
• Local Indication: High-visibility status LEDs simplify the calibration process and facilitate rapid troubleshooting.
• Installation Versatility: The removable mounting bracket attaches in three different configurations to fit cramped control panels.

How do I calibrate the H-909 for a specific motor?
With the motor running under normal load, turn the setpoint screw until the "Status CLOSED" LED illuminates. It is standard practice to turn the screw an additional 1/4 turn beyond the threshold to provide operational margin and prevent nuisance switching.

Can this switch monitor loads below 2.5 Amps?
Yes. To monitor low-current loads, you can wrap the monitored conductor through the center window multiple times. This effectively multiplies the current seen by the sensor, allowing it to reach the minimum 2.5A trip point threshold.

Is the output polarity sensitive?
No. The solid-state output is not polarity sensitive, allowing for flexible wiring to building automation systems or relays at up to 120V.

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.