The Sommer 5116V000 Emergency Release Lock 2" is a key‑operated outside disconnect designed for SOMMER garage door openers. It provides a secure, mechanical way to disengage the opener from the door so you can lift the door manually during a power outage, remote failure, or service situation—especially important for garages without a secondary entry. The 2-inch configuration is intended for installations that require an extended lock body to reach through thicker door constructions or insulated panels.
Installed in the upper section of the door and connected to the operator’s manual release mechanism, the lock is operated by inserting the key and turning to pull the internal release, allowing manual operation of the door. It is commonly used on residential sectional doors and can be applied in light commercial settings where an exterior access point to the opener’s disconnect is required by code or best practice. Designed for use with SOMMER operators, it supports standard emergency‑disconnect setups found on SOMMER systems; verify compatibility with your specific opener model before purchase. Professional installation is recommended, as proper mounting requires drilling, routing the cable to the carriage release, and adjusting the pull length to ensure reliable operation.