Current Monitor Relay H535NS

Features

  • Relay without HOA switch
  • Command relay in a single series circuit one line connection for three devices
  • Gang box mounting – mounts directly onto gang box, flush to existing enclosures and standalone
  • SPST relay is field-selectable for NO or NC operation
  • 1 hp at 120 VAC and 1.5 hp at 277 VAC one product for all fractional HP motor control and status applications
  • Induced from monitored conductor sensor power
  • Relay power LED
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Dpstar current monitor relay is built for reliable performance in commercial HVAC systems and industrial automation applications. It offers durable and efficient power monitoring capabilities essential for modern electrical control setups.

It features an industrial-grade load switching relay combined with a hand-off-auto (HOA) switch, all enclosed in a compact, easy-to-install housing. This configuration is well-suited for monitoring and managing the control wiring of fractional horsepower motors. Once installed between the power source and the motor, the integrated components work seamlessly to ensure stable operation. The enclosure is designed with physical separation and multiple wiring exits to safely isolate control and high-voltage sections. It can be mounted directly on standard junction boxes, fitted into a field enclosure, or used independently.

Dimensional Drawing

Wiring Diagram

Applications

  • Monitoring status and controlling small motor loads that are not driven by a motor starter or contactor
  • Exhaust fans
  • Unit ventilators
  • Fan terminal units
  • Fan coil units
  • Recirculating pumps

Specification

Model H535NS
Application Building Automation Systems
Current Measurement Range  None
Current Sensor type Current Transducer, AC, with Relay
Electrical Wiring Size  24 – 14 AWG (0.2 – 2.1 mm²)
Hand-Off-Auto  Yes
Measurement Type  AC Current
Monitored Wire Size 50 – 60 Hz
Mounting 4 x 4 Box
Operating Humidity 10 – 90% RH, non-condensing
Operating Temperature 5 – 122 °F (-15 – 50 °C)
Output Specifications None
Outputs Relay
Product Certification UL
Product Type Sensor
Range Motor Control Series
Relay Coil Voltage 24 VAC/DC
Mechanical
Relay Contact Ratings Resistive: 15 A @ 277 VAC | Motor: 1 H.P. @ 120 VAC | Motor: 1.5 H.P. @ 277 VAC
Relay Poles/Throw SPDT
Setpoint None
Warranty 5 years

Ordering Information

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