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The HRDR Series combines an electromechanical relay and microcontroller timing circuitry. It offers 12 to 230V operation in five ranges and factory fixed, onboard or externally adjustable time delays with a repeat accuracy of ±0.5%. The high switching capacity of the output contacts allow for direct control of heavy loads like compressors, pumps, motors, heaters and lighting. A bypass/reset switch option allows operator to interrupt normal recycling sequence and energize output relay. An excellent choice for OEM applications.
Operation (Recycling with Reset Switch)
Upon application of input voltage, the ON time T1 begins and output relay energizes. At the end of the ON time, the output relay de-energizes and the OFF time T2 begins. At the end of the OFF time, the output relay energizes and the cycle repeats as long as input voltage is applied. Some recycling timers have the OFF time as the first delay.
Reset: Removing input voltage resets output and time delays, and returns sequence to the first delay.
- Microcontroller based
- Compact, low cost design
- Isolated, 30A, SPDT, NO output contacts
- Encapsulated
- Independent adjustment of On and Off delays
- Bypass/Reset switch option
- Repeat Accuracy + / - 0.5%
- Allows flexibility for OEM applications
- Allows direct operation of heavy loads: compressors, pumps, blower motors, heaters.
- Protects against shock, vibration, and humidity
- Provides greater flexibility of timing options
- Allows operator to interrupt the timing sequence and energize the output relay
HRDR Parts
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