Knox Keysecure 3b Installation Manual Hot Extra Quality Jun 2026

Drill the four holes using a bit sized appropriately for your mounting screws or bolts (typically 1/4-inch bolts with locking nuts are recommended for heavy vehicle vibration). Drill a 1/2-inch hole for the wiring harness.

Connect to a solid chassis ground point. Clean away paint and rust from the metal surface to ensure a bare-metal connection.

Up to 2A briefly during solenoid engagement

: Use at least four Grade 5 or Grade 8 fasteners (typically 3/8" diameter) to ensure the unit remains secure against tampering. storagemunicibidpro.blob.core.windows.net 2. Electrical Wiring KeySecure 3b operates on a 12-volt DC power supply Power Requirement : Requires a 3-amp fused circuit. Connections

The unit can be mounted in a vehicle or surface-mounted to a solid interior wall. knox keysecure 3b installation manual hot

Proper planning prevents mechanical failure and electrical interference with the vehicle's onboard computer systems.

: The housing should be mounted on a sturdy vehicle surface capable of supporting its 10 lb weight . It is constructed of 1/4" plate steel to resist tampering.

Select a flat vertical or horizontal surface inside the vehicle cab or a weather-protected compartment.

Before reassembling the unit, test the electrical connections. Drill the four holes using a bit sized

: The device includes a relay circuit and can be connected to an optional strobe light for additional visual alerting. Internal Battery

This guide is for informational purposes only and does not replace the official Knox documentation. For critical installations, always refer to the original manuals and consult with certified security professionals.

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Inside the shipping carton:

: Requires a consistent 12V 3A supply for release functions. Weather Resistance : Operating range of -40°F to 185°F. Wired Updates

The unit includes a relay circuit that can be configured to trigger an external device, such as an optional strobe light, when the master key is removed.

For more information on Knox KeySecure 3B, consult the official Samsung Knox documentation and support resources: