Keltron's SSP-4 solid-state Form Four fire alarm panel enables reliable control of coded type alarm systems by providing power and supervision for the coded signal loop between fire alarm boxes. Incorporated into the design are alarm and fault detection circuitry, audible and visual indicators, and switchable digital meters. The unit is small and compact, designed to mount in nineteen-inch equipment racks and consoles.
Features
The SSP-4 consists of a mainframe assembly, common printed circuit monitor cards, a back plane, and up to ten modular plug-in alarm or box circuits. Four types of plug-in circuit cards are available: type A, type B, alarm, and monitor. These cards may be configured in any combination without the need of rewiring the main frame. SSP-4 features include:
Individual circuit timers for low current and auto-ground
Individual circuit indicator for open circuit, low current auto-ground and repeater off
Full supervision of all box and alarm circuits
High efficiency DC-to-DC converters, four switch selectable output voltages
Automatically conditions circuits to receive signal through ground return
Full supervision of station functions
Digital voltage and current meters
Compact size
Ease of installation, troubleshooting and maintenance
Capability of increased circuit capacity
High efficiency, low input, low internal heat dissipation
Low cost of ownership
Specifications for Keltron's SSP-4 may be found on the data sheet >