ERM Fixtures
Elevator Research & Manufacturing is the current American divison of Dewhurst.
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Work on the Guide is currently suspended, and is expected to resume end of 2025. Much of the information herein is out-of-date and awaiting updates.
CA-93
CA-93
CA-93 is the most common ERM button. It can be identified by its distinctive pattern of three curved lights on the face of the button. These buttons are often called "recycle buttons", as the three lines resemble the recycling symbol.
CA-93 buttons
CA-90TT
CA-90TT
These are the same as Dewhurst US91-BB buttons.
Dewhurst US91-BB buttons
CA-98
CA-98
These are the same as Dewhurst's US91 buttons.
Dewhurst US91 operating panel
CA-91
CA-91
These are convex stainless steel (CA-91SS) or brass (CA-91B) buttons with red LED lights in the center.
CA-94
CA-94
CA-94 is a non vandal resistant button ERM offered. These buttons look similar to Adams designer, and Innovation decorator. They light up incandescent, and feature a wraparound braille.
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