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KM-PM

Power Monitor

KM-PM

38 mm-wide Ethernet Power Monitor for Global Control Panel Integration

Item list of KM-PM

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last update: October 1, 2025

Main unit

Item Function
Input
specifications		 Rated input voltage
(Shared power supply)		 3-phase 4-wire: 100 to 277 VAC (L-N), 173 to 480 VAC (L-L)
1-phase 2-wire: 100 to 277 VAC
1-phase 3-wire: 100 to 240 VAC (L-N), 200 to 480 VAC (L-L)
3-phase 3-wire: 1 phase grounded: 100 to 480 VAC (L-L)
3-phase 3-wire: ungrounded: 173 to 480 VAC (L-L)
Input voltage
fluctuation range		 85 to 115% of the rated input
Connectable CT Dedicated CT
Rated input frequency 50/60 Hz
Applicable circuit type 3-phase 4-wire, 1-phase 2-wire, 1-phase 3-wire, 3-phase 3-wire
Number of
measuring circuits		 3-phase 4-wire: 1 circuit at max.
1-phase 2-wire: 4 circuits at max.
1-phase 3-wire, 3-phase 3-wire: 2 circuits at max.
CT secondary side
rated current		 According to the rating of dedicated CTs
Maximum current for
CT secondary side		 According to the rating of dedicated CTs
Power consumption 15 VA or less
Ambient operating temperature -25 to 55°C (with no condensation or icing)
Ambient operating humidity 25% to 85% RH
Storage temperature -25 to 85°C (with no condensation or icing)
Storage humidity 25% to 85% RH
Dielectric strength voltage 2,000 VAC for 1 minute
Between (Voltage input terminals + Current input terminals) and LAN port
Between electronic circuitry and case
Insulation resistance 20 MΩ min (500 VDC mega)
Between (Voltage input terminals + Current input terminals) and LAN port
Between electronic circuitry and case
Vibration resistance Single amplitude: 0.35 mm, Acceleration: 5m/s2, Frequency: 10 to 55 Hz
10 sweeps each in X, Y, and Z directions for 5 min
Shock resistance 150m/s2, 3 times each in X, Y, and Z axes, 6 directions
Display LED
Weight 250 g
Mounting method DIN rail
Altitude 2,000 m or less
Degree of protection IP20 (excluding LAN port section)
Electromagnetic environment Industrial electromagnetic environment (EN/IEC 61326-1 Table 2)
Applicable standards CE, UKCA
Installation environment: EN61010-1/EN61010-2-030, Pollution Degree 2,
Overvoltage/measurement Category II (L-N: 480 V), III (L-N: 300 V)
EMC: EN61326-1, ClassA (EMI), Industrial Location (EMS)
UL
•UL61010-1
  Pollution degree 2, overvoltage Category II (L-N: 480 V), III (L-N: 300 V)
•UL61010-2-030
  Measurement Category II (L-N: 480 V) and III (L-N: 300 V)
CSA
•CAN/CSA C22.2 No.61010-1
  Pollution degree 2, overvoltage Category II (L-N: 480 V), III (L-N: 300 V)
•CAN/CSA C22.2 No.61010-2-030
  Measurement Category II (L-N: 480 V) and III (L-N: 300 V)
Korean Radio Law
KSC9610-6-2, KSC9811
RCM
EN61326-1

Measurements Specifications (50A CT, 100A CT, 200A CT, 400A CT, 600A CT *1 *2)

Item Description
Measurement item Total power consumption (active, regenerative, and reactive), power (active and reactive),
current, voltage, power factor, and frequency
Active power 0.5% *3 (IEC62053-22 class 0.5S) *4
Reactive power 2% *3 (IEC62053-23 class2) *4
Measurement frequency 80 ms (50 Hz), 66.7 ms (60 Hz)
Functions Conversion

*1. KM-PCBE600 is only available in certain regions.
*2. The CT with a 600 A rating (KM-PCBE600) does not support safety standard certification, including UL/CSA certification.
*3. Errors from dedicated CT are not included.
*4. IEC62053 is an international standard on Power meters.

Measurement Specifications (5A CT)

Item Description
Measurement item Total power consumption (active, regenerative, and reactive), power (active and reactive),
current, voltage, power factor, and frequency
Accuracy
*1 *2 *3		 Voltage *4 ±0.5% of F.S. ±1 digit
Current *5 ±0.5% of F.S. ±1 digit
Power ±1.0% of F.S. ±1 digit (Power factor = 1)
Frequency ±0.2% of F.S. ±1 digit
Effect of temperature *6 ±1.0% of F.S.
Influence of frequency *7 ±1.0% of F.S.
Influence of harmonics *8 ±0.5% of F.S.
Measurement frequency 80 ms (50 Hz), 66.7 ms (60 Hz)
Functions Conversion

*1. Errors from dedicated CT are not included.
*2. Value when ambient temperature of 23°C, rated input, and rated frequency.
*3. 10% or more of the rated input current.
*4. For the voltage between R and T phases, the accuracy is ±1.0% of F.S ±1 digit under the same conditions.
*5. For the S phase current of 3-phase 3-wire and N phase current of 1-wire 3-phase, the accuracy is ±1.0% of F.S ±1 digit under the same conditions.
*6. Percentage with respect to measurement value when within operating temperature range, ambient temperature of 23°C, rated input, rated frequency, and power factor of 1.
*7. Percentage with respect to measurement value when within range of rated frequency ±5 Hz, ambient temperature of 23°C, rated input, rated frequency, and power factor of 1.
*8. Error margin when ambient temperature of 23°C and superimposed the 2nd, 3rd, 5th, 7th, 9th, 11th, and 13th harmonics with content percentages of 30% current and 5% voltage relative to the fundamental wave.

Communications specifications

Item Description
Communications protocols TCP/IP, UDP/IP
Supported services MODBUS and TCP
EtherNet/IP (Tag-Data-Link (Class1)), CIP message communications (Class3/UCMM)
BOOTP (Client), DHCP (Client)
ACD
LLDP (Agent: Send Functions only)
Number of ports 1
Physical layer 100BASE-TX
Ethernet interface AutoNegotiation, AutoMDI/MDI-X
Transmission
specifications		 Media access method CSMA/CD
Modulation Baseband
Topology Star
Baud rate 100 Mbps (100BASE-TX)
Transmission media Twisted-pair cable (Shielded: STP) Category 5, 5e or more
Transmission distance Up to 100 m (Distance between hub and node)
Number of cascade
connections		 No restrictions in the use of Switching hub.

Dedicated CT specifications

Model KM-PCBE005 KM- PCBE050 KM- PCBE100 KM- PCBE200 KM- PCBE400 KM- PCBE600
*1 *2
Primary side rated current 5 A 50 A 100 A 200 A 400 A 600 A
Rated voltage 480 VAC
Secondary winding 3,000 turns 6,000 turns 9,000 turns
Insulation resistance Between output terminals and case: 50 mΩ min.
Dielectric strength voltage Between Output terminals and case: 2,000 VAC for 1 minutes
Protective element 7.5 V clamp element
Allowable number of
attachments and detachments		 100 times
Diameter of wire attachable 7.9 mm dia.
max.		 9.5 mm dia.
max.		 14.5 mm dia.
max.		 24.0 mm dia.
max.		 35.5 mm dia. max.
Operating temperature and
humidity ranges		 -25 to 55°C, 25% to 85% RH (with no icing or condensation)
Storage temperature and
humidity ranges		 -30 to 65°C, 25% to 85% RH (with no icing or condensation)
Supplied cable length 2.9 m
Supplied cable
terminals		 Output Ferrule terminal
CT Round terminal

Note: 1. When using the CT as a set with the KM-PMBN-EIP Power Monitor, also consider the operating environment conditions of the power monitor. Consider the operating environment conditions of the device that is used as a set with this CT.
*1. KM-PCBE600 is only available in certain regions.
*2. The CT with a 600 A rating (KM-PCBE600) does not support safety standard certification, including UL/CSA certification.

last update: October 1, 2025

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