UVOA-1-485 (RO ASPZ) Mine Remote Automation Reset/Shutdown Device, special explosion-proof type

The UVOA (УВОА) provides personnel identification using a built-in key (proximity card) reader, transmission via the RS-485 wired interface to fire control panels, access control systems, etc., of information on changes in operating modes of actuating devices of fire-protection systems in the designated zone, as well as indication of the selected operating mode through built-in LED indicators and an audible alarm.

General characteristics:

Explosion protection marking	PO Ex ia I Ma
Operating temperature, °C	from −20 to +60
Ingress protection rating	IP65
Protection class (electric shock)	III
Nominal DC supply voltage, V	12
Maximum power consumption, mW, not more than	250
Interface	Wired RS-485 interface
RFID format (unauthorized access protection)	Contactless smart card Em-Marine (125 kHz)
Maximum RFID emission power, W	~0
Overall dimensions, mm	206×120×56
Mass, kg	1.5

Application area

Underground workings of coal and ore mines and their surface structures, including those hazardous due to gas and/or dust, in accordance with the explosion-protection marking PO Ex ia I Ma and the requirements of the applicable industry Safety Rules.