Exit Button with back box
Model NO:K4-C

1.      Output Contact: NO/COM

2.      Mechanical Life: 500000 tested

Product introduce:

Door release buttons are the most common and the most frequently used in the access control systems. They are often used in public authorities, banks, largesmall and medium-sized enterprises, department stores and residences.



1.         Design with no Mechanical Bolt.

2.         Aluminum Panel with Elegant Style

3.         With the Bottom Box, Easy to Install

4.         500000 Cycles tests

5.         Two Contact Output, Suitable for all kinds of Locks

6.         The Best Choice for Access Control


Technical Specifications:

Product Parameter

Parameter Description



Standard Structure

Alloy Plate, Steel Button

Current Rating


Output Contact


Mechanical Life

500000 tested

Suitable for Door

All Kind of the Narrow Door Frame

Operating temp

-20~+50 Degree

Operating Humidity

0-95% (relative humidity)

Panel Material

Alloy Plate, Sandblast Finished