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

​

• Current operated units available

• High speed DC voltage operated units available

• Drawout case available

• Molded case with 3 mounting options available

 

 

Applications

​

• When a target is required

• When alarm or similar functions required

• Interposing relay in conjunction with transformer SP relay

 

 

Protection and Control

​

• Auxiliary contacts and targeting