3
A M P1B1 , A M P1C 2 , A M P1C 3 Com pac t Powe r a nd E ne rg y M ete r
Measurement Accuracy
Real Power/Energy
IEC 62053-22 Class 0.2S, ANSI C12.20 0.2%
Reactive Power/Energy
IEC 62053-23 Class 2, 2%
Current
0.4% (+0.015% per °C deviation from 25°C) from
5% to 100% of range; 0.8% (+0.015% per °C
deviation from 25°C) from 1% to 5% of range
Voltage
0.4% (+0.015% per °C deviation from 25°C)
from 90V
L-N
to 600VAC
L-L
Sample Rate
2520 samples per second
Data Update Rate
1 second
Type of Measurement
True RMS up to the 21st harmonic 60 Hz;
One to three phase AC system
Input Voltage
Measured AC
Minimum 90V L-N (156V
L-L
) for stated accuracy
UL maximum: 600V
L-L
(347V
L-N
)
CE maximum: 300V
L-N
Metering Over-Range
+20%
Impedance
2.5 MΩ
L-N
/5 MΩ
L-L
Frequency
45 to 65 Hz
Input Current
CT Scaling
Primary: Adjustable from 5A to 32,000A
Measured Input Range
0 to 0.333VAC or 0 to 1.0VAC (+20% over-range)
Impedance
10.6 kΩ (1/3V mode) or 32.1 kΩ (1V mode)
Control Power
AC
Maximum 5V; Minumum 90V
UL maximum = 600V
L-L
(347V
L-N
)
CE maximum = 300V
L-N
DC
1
3W maximum; UL and CE = 125 to 300 VDC
Ride Through
100 msec @ 120VAC
Output
Alarm Contacts
(all models)
N.C., static output (30 VAC/DC, 100 mA max.
@ 25°C, derate 0.56 mA per °C above 25°C)
Real Energy Pulse
Contacts (all models)
AND Reactive Energy
Pulse Contacts
(AMP1B1 only)
N.O., static output; (30 VAC/DC, 100 mA
max. @ 25°C, derate 0.56 mA per °C
above 25°C)
RS-485 Port (AMP1Cx)
2-wire, 1200 to 38400 baud, Modbus RTU
Mechanical
Weight
0.62 lb. (0.28 kg)
IP Degree of Protection
(IEC 60529)
IP40 front displate; IP20 meter
Display Characteristics
Back-lit blue LCD
Terminal Block Screw
Torque
0.37 ft./lb. (0.5 N-m) nominal;
0.44 ft./lb/ (06. N-m) maximum
Terminal Block Wire Size
24 to 14 AWG (0.2 to 2.1 mm
2
)
Rail
T35 (35 mm) DIN Rail per EN50022
Environmental
Operating Temp Range
-30° to 70°C (-22° to 158°F)
Storage Temp Range
-40° to 85°C (-40° to 185°F)
Humidity Range
<95% RH (non-condensing)
Altitude of Operation
3000m maximum
Metering
North America
CAT III; for distribution systems up to
347V
L-N
/600VAC
L-L
CE
CAT III; for distribution systems up to 300V
L-N
Dielectric Withstand
Per UL 508; EN61010
Conducted and
Radiated Emissions
FCC part 15 Class B; EN55011/EN61000
Class B (residential and light industrial)
Conducted and
Radiated Immunity
EN61000 Class A (heavy industrial)
Compliance
Agency Approvals
US and Canada (cULus)
UL508 open type device / CSA 22.2 No. 14-05
Europe (CE)
EN61010-1:2001
1
External DC current limiting is required, see fuse recommendations.
Specifications
