CHAPTER 2: PRODUCT DESCRIPTION SPECIFICATIONS
C70 CAPACITOR BANK PROTECTION AND CONTROL SYSTEM – INSTRUCTION MANUAL 2-33
2
LED INDICATORS
Functions: 5 device status indicators
9 event cause indicators
8 user-programmable pushbutton indicators
PUSHBUTTONS
Type: membrane
Functions: 5 bottom Tab pushbuttons and 1 Home pushbutton for page recall
4 directional, 1 ENTER, and 1 ESCAPE pushbutton element selection
10 side pushbuttons for power system element control
RESET pushbutton
8 physical user-programmable pushbuttons, 8 graphical interface pushbuttons
INGRESS PROTECTION
IP code: IP54 front, IP10 back (IP20 back with IP20 cover accessory)
2.5.12 Environmental
AMBIENT TEMPERATURES
Storage temperature: –40 to 85°C
Operating temperature: –40 to 60°C; the LCD contrast can be impaired at temperatures less than –20°C
HUMIDITY
Humidity: operating up to 95% (non-condensing) at 55°C (as per IEC60068-2-30 variant 1, 6 days)
OTHER
Altitude: 2000 m (maximum)
Pollution degree: II
Overvoltage category: II
Ingress protection: IP20 front, IP10 back (standard front panel and old enhanced front panel)
IP40 front, IP10 back (new enhanced front panel)
IP54 front with IP54 mounting collar accessory (new enhanced front panel)
Ingress protection with IP20 cover accessory:
IP20 back
Noise: 0 dB
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