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Time Delay Relay, 30 VDC, 0.25 s, 10 s, HDFA Series, SPDT, 10 A


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Manufacturer Part No:
Newark Part No.:
Product Range
HDFA Series
Technical Datasheet:
12DA/AHDFA   Datasheet
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HDFA Series



Panel Mount


Quick Connect



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Technical Docs (3)

CAD Downloads


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CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
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Product Overview

The 12DA/AHDFA is an adjustable Recycling Time Delay Relay with SPDT contact configuration and quick-connect terminals. The HDFA series dual adjustable flasher (recycling timer) may be used to alternately switch one or two load circuits by using two built-in knob adjustable potentiometers for independent control of both flash rate and duty cycle. A SPDT 10A contact set alternates continuously as long as power is applied to the relay. Typical applications include OFF/ON cycling for equipment burn-in test, lighting control and automatic cycling of electrically operated devices.
  • CMOS digital timing circuitry
  • OFF and ON-time user adjustable
  • Timing from milliseconds to hours
  • Polarity protection on DC units


Industrial, Lighting

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