CARLO GAVAZZI WM50 Serie Manuel D'instructions page 45

Features
MTBF/MTTF
Insulation
Power supply
*Calculated according to Siemens SN 29500, taking into consideration the following condition: mean ambient temperature: 50 °C.
Electrical specifications
Current connection
CT transformation ratio
Base current (lb)
Minimum current (lmin)
Maximum current (lmax)
Start-up current (lst)
Environmental specifications
Operating temperature
Storage temperature
Note: R.H. < 90 % non-condensing @ 40 °C / 104 °F.
Conformity
• 2014/35/EU (LVD - Low Voltage)
Directives • 2014/30/EU (EMC - Electro Magnetic Compatibility)
• 2011/65/EU (RoHS - Electric-electronic equipment hazardous substances)
• Electromagnetic compatibility (EMC) - emissions and immunity:
• Electrical safety: EN61010-1
Standards
• Metrology: EN62053-22, EN62053-23
• Pulse outputs: IEC62053-31, DIN43864
Approvals
Part numbers key
Main unit part number (rear of unit)
WM50 AV5
Model From 208 to 480 V L-L ac, 5(6) A,
connection via TA
44 WM50 - Instruction manual | 26/04/2022 | CARLO GAVAZZI Controls SpA
Minimum 80 years*
60 s, 1500 V ca (with TCD12WS cables connected)
Self power supply via TCD bus
Bus cable
-
10 A
0.5 A
65 A
40 mA
From -25 to +40 °C/from -13 to +104 °F
From -25 to +70 °C/from -22 to +158 °F
3 H
System: Auxiliary power supply from
100 to 277 V ac/dc
three-
l
phase (4-
wire)
two-
l
phase (3-
wire)
single-
l
phase (2-
wire)
BC
Pre-installed MABC module for
communications with TCD12s