Specifications

432E2250.FM/6
23!mars!2004
Power-monitoring units
Circuit Monitor Series 3000
Functions and characteristics (cont.)
62109
Series 3000 + optional ECC21 or IOC44.
Electrical characteristics
Type of measurement True rms up to the 63rd harmonic
On three-phase AC system (3P, 3P+N)
128 samples per cycle
Measurement
accuracy
Current and voltage ±0.075 % of reading + ±0.025 % of full scale
Power ±0.075 % of reading + ±0.025 % of full scale
Frequency ±0.01 Hz from 45 to 67 Hz
±0.01 Hz from 350 to 450 Hz
Energy IEC 60687 and ANSI C12.20 Class 0.5S
Data update rate 1 s in normal mode and 100 ms in 100 ms mode
Input-voltage
characteristics
Measured voltage 0 to 600 V AC (direct)
0 to 1200 kV AC (with external VT)
Measurement range 0 to 1.5 Un
Impedance > 2 MΩ
Frequency measurement
range
45 to 67 Hz and 350 to 450 Hz
Input-current
characteristics
CT ratings Adjustable from 5 A to 30 000 A
Measurement range 5 mA to 10 A
Permissible overload 15 A continuous
50 A for 10 seconds per hour
500 A for 1 second per hour
Impedance < 0.1 Ω
Load < 0.15 VA
Supply AC 100 to 275 V AC (±10 %), 27 VA
DC 125 to 250 V DC (±20 %), 16 W
Ride-through time 99 ms at 120 V Ac / 75 ms at 125 V DC
Input/outputs Pulse output Static output (240 V AC max., 100 mA max.)
IOC44 card (optional) 4 digital inputs (20-138 V AC/DC),
3 relay outputs (5 A to 240 V AC)
1 static output (96 mA max. at 240 V AC)
Mechanical characteristics
Weight 1.1 kg
IP degree of protection (IEC 60529) IP52
Dimensions CM3250/3350 210 x 105 x 143 mm
Environmental conditions
Operating
temperature
CM3250/CM3350 -25 °C to +70 °C
CMDLC display -20 °C to +60 °C
CMDVF display -20 °C to +70 °C
Storage
temperature
CM + displays -40 °C to +85 °C
Humidity rating 5 to 95% RH at 40 °C
Pollution degree 2
Installation category III, for distribution systems up to 277/480 V
(1)
Dielectric withstand As per EN61010, UL508
Electromagnetic compatibility
Electrostatic discharge Level 3 (IEC 61000-4-2)
Immunity to radiated fields Level 3 (IEC 61000-4-3)
Immunity to fast transients Level 3 (IEC 61000-4-4)
Immunity to impulse waves Level 3 (IEC 61000-4-5)
Conducted and radiated emissions e industrial environ./FCC part 15 class A
EN55011
(1) Category II for distribution systems higher than 277/480 V.