The Von Duprin 967243 is a 35A Emergency Secure Lockdown (ESL) kit used with compatible 4-foot 35A QEL exit devices. The kit provides emergency lockdown functionality by interrupting power to the QEL motor, allowing the latchbolt to extend and secure the opening while maintaining free egress from the exit side.

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Manufacturer: Von Duprin
Part Number: 967243
Product Name: ESL Kit for 35A QEL 48"
Product Type: Emergency Secure Lockdown (ESL) Kit
Device Length: 48-inch
Primary Function: Emergency secure lockdown for QEL-equipped exit devices
Application: Retrofit 48 inch Von Duprin 35A exit devices equipped with QEL latch retraction
OEM Part: Yes