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IM-P408-04
EMM Issue 7
11
B850-W and B850-P Boiler House Energy Monitor
Power supply (B850-W-2 and B850-W-2-UL)
Rated supply voltage
100-240 Vac; 50 / 60 Hz
Supply voltage range
85 to 264 Vac; 47 .. 63 Hz
Power consumption
Maximum 20 VA
Over voltage category
CAT III
Power supply (B850-P-2)
Rated supply voltage
24 Vdc
(SELV and Limited Energy Supply)
Supply voltage range
18 .. 36 Vdc
Power consumption
Maximum 8 W
Enclosure (B850-W-2 and B850-W-2-UL)
Protection class
IP65 (not UL evaluated)
Enclosure (B850-P-2)
Protection class (front / rear)
IP65/IP20 (not UL evaluated)
Environmental conditions
Ambient temperature
0 .. +55
°
C (32 .. 131
°
F)
Relative humidity
5 .. 95% (non-condensing)
Altitude
≤ 2000 m (6 562 ft) above sea level
Pollution degree
3 Panel version (when installed in an enclosure)
3 Wall version
Electrical safety
EN 61010-1
UL 61010-1, 3rd Edition
CAN/CSA-C22.2 No. 61010-1, 3rd Edition
EMC
Immunity EN 61326-1 Table 2
Radiated and conducted emissions EN61326-1 Group
1 Class B
Installation location
Indoor use only