Soss Invisible Hinges 220PT4
Discontinued Model 220PT4 Power Transfer Invisible Hinge 0.4A CurrentThe SOSS Invisible Hinge model #220PT4 can be used on wood, hollow metal , sheet metal, tin clad, steel composite or wood core swinging type fire doors and frames.
Power Transfer 0.4A
Fire Rating 20 Minutes.
The SOSS power Transfer Hinges are for use with four or six wire applications and interior use only. Maximum wire rating is one ampere at 20 volts of direct current. For devices requiring more than one AMP, do not use SOSS Power Transfer Hinge.
2" Minimum Door Thickness