HAA Auxiliary or Annunciator Relay
Generally two specific forms of the HAA are available, a current operated unit and a voltage operated unit. Example: HAA15A4 is 0.2/2 A DC and the HAA15B5 is a 125 VDC unit. Also, two general case designs are available. The single units such as HAA 15 use a molded plastic case with glass window and all others the standard drawout case.
Features and Benefits
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Current operated units available
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High speed DC voltage operated units available
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Drawout case available
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Molded case with 3 mounting options available
Applications
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When a target is required
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When alarm or similar functions required
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Interposing relay in conjunction with transformer SP relay
Protection and Control
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Auxiliary contacts and targeting
![haa.gif](https://static.wixstatic.com/media/f236c6_a8adcfbcce334bf69d61ef1bcdc92d7a~mv2.gif)
HAA Brochure
HAA Manual