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Date: 26 July 2017
177 and 178 Series Door Openers  
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177 and 178 Series Door Openers

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177 and 178 Series Door Openers

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Product Description

Fits left and right hand doors

Easy installation

Rugged, heavy duty construction

For use in wood and metal jambs


The Catalog 177 and 178 mortise type door openers are dependable long service devices, providing the security and convenience of remote control door-lock operation. These units flush mount in place of the regular door strike plate and are ideal for narrow door stiles.

With the non-reverse acting units, the door remains locked until the opener is electrically actuated by a remote contact device. For reverse acting units, the door remains unlocked (with current off). When energized through a timer or manual switch, the unit keeps the door locked.

For AC operation, use with either an 88-50, 596, or 592 Transformer.

For use in apartments, offices, banks, industrial buildings, schools, and institutions. Use in door interlocking and control systems with timed or manual operation.

Continuous Duty Operation
The 177-RG5 and 178-RG5 are suitable for continuous duty operation. However, when operated from 24V AC, they must be connected through the Catalog No. SR-1 Silencing Assembly. They may also be operated directly from 24V DC.


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