The Sargent 56-12-8804-J-PSB is Fire Rated Rim Exit Device with an Electric Latch Retraction, PSB Pull Trim, Key Retracts Latch Bolt, and 37"-42" Bar. 

SARGENT Electric Latch Retraction exit device is the perfect choice for high traffic egress doors that require access control. This non-handed exit device rail is durable and easy to install. It utilizes a latch retraction motor rather than a solenoid, ensuring quiet operation ideal for locations such as conference rooms, theaters, and libraries. Once retracted, the door functions in a push/pull manner. The 56-exit device can be dogged for momentary ingress and egress and is commonly used in conjunction with an automatic door operator. The device can be dogged continuously on fire-rated devices that are tied into the building fire detection system.