https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
ESL 1500 Series Fire Alarm Control Panels

ESL 1500 Series Fire Alarm Control Panels

GE Infrastructure, Security
Region: United States of America
Update: 11/15/2006
Key Specifications
ESL 1500 Series Fire Alarm Control Panels provide one (1501), three (1503) or five (1505) conventional initiating circuits and two alarm indicating circuits. All initiating and indicating circuits supervise conventional two- or four-wire.

*Power limited per NEC article 760, Section C

*Modular design: 1, 3 & 5 zone models

*Class A or B standard

*One-man walktest

*Alarm verification

*Approved for sprinkler supervision and water flow

*Options: -City Masterbox Communicator -Remote Annunciator

https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions