Welcome Visitor!
Holds Up to 24 Keys
The 4100 Series Knox-Vault is for those applications where a 3200 Series is too small yet the 4400 is too large. The 4100 is available with an optional Knox FDC Keywrench holder allowing departments to keep a Knox FDC Keywrench on site.
What is a tamper switch? Optional tamper switches allow you to connect the KNOX-BOX to a building's alarm system, adding further security.
![]() | All Knox-Vault 4100 Series units are fully tested and listed by Underwriters Laboratories as anti-theft devices. Alarm tamper switches are UL listed as Central Station Alarm Units. UL Electrical Range: Max Voltage of 24 VDC at 50 mA. UL 437 Standard for Safety for Key Locks (keyway) |
Note: It is recommended for new concrete or masonry construction, that you purchase a recessed Knox-Vault with a Recessed Mounting Kit (RMK).
If you would like to proceed with purchase of products in this category in select jurisdictions, please enter the product installation zip code OR fire department name here: