The very compact one ESU-002 A emergency switchover unit can handle two independent switching functions. 
The switching of 100 V speaker lines from by self-program receiving to priority receiving is possible. Simultaneously the shutdown of two separate 230V power supply is conducted if priority is received. The case is compliant to the protection standard IP 66. 

 

• Passing the 100V signal of the alarm system to the sublet amplifier equipment.
• Priority relay module for 100 V signals and 230 V mains voltage.
• Passing the 100V signal of the alarm system to the sublet amplifier equipment.
• Make a connection of the loudspeaker in sublet areas in case of alarm.
• Disconnection of the sublet amplifier equipment.