THIS PRODUCT LINE IS DISCONTINUED - Available only while supplies last. 

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? 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)
UL 1037 Antitheft Alarms and Devices (entire unit)
UL 1610 Central Station Alarm Units (units with tamper switch)
UL 1332 Organic Coatings for Steel Enclosures for Outdoor Use Electrical Equipment (Knox-Coat®)


Note: It is recommended for new concrete or masonry construction, that you purchase a recessed Knox-Vault with a Recessed Mounting Kit (RMK).

KNOX-VAULT<sup>®</sup> 4100 Series DISCONTINUED Main Category Image