Nvent Hoffman ACLSN12 Keylock Kit Steel Type 12 3R

Product Description

The NVENT HOFFMAN ACLSN12 is a steel keylock kit designed to secure electrical enclosures in demanding environments. This accessory provides a lockable latch mechanism that restricts unauthorized access to panel interiors, making it a direct fit for NEMA Type 12 and Type 3R enclosure installations. The kit measures 5.5 inches in length, 3.5 inches in width, and 1 inch in height, with a total weight of 0.2 pounds. Electricians and panel builders install this hardware when code compliance or site security requires keyed access control on industrial or commercial enclosures.

This keylock kit is suited for use with NEMA Type 12 enclosures, which are rated for indoor protection against dust, dirt, and dripping non-corrosive liquids, as well as NEMA Type 3R enclosures, which are rated for outdoor protection against rain, sleet, and snow. Typical install scenarios include manufacturing facilities, utility rooms, rooftop disconnect panels, and outdoor service equipment where controlled access is required by facility policy or the NEC.

Key Features

• Steel construction for durability in industrial and outdoor service environments
• Compatible with NEMA Type 12 and Type 3R rated enclosures
• Compact form factor: 5.5 inches x 3.5 inches x 1 inch
• Lightweight at 0.2 pounds for easy handling during installation
• Restricts unauthorized enclosure access with keyed locking mechanism

Compatibility

Designed for use with NEMA Type 12 and NEMA Type 3R electrical enclosures as an OEM-style accessory latch upgrade or replacement.

Installation Notes

This keylock kit is installed by licensed electricians during enclosure assembly or field retrofits. De-energize all circuits inside the enclosure and follow NFPA 70E lockout/tagout procedures before beginning any work on the panel. Standard hand tools are sufficient for installation. Verify that the enclosure door thickness and latch cutout dimensions are compatible with this kit before mounting.