Power Monitor
last update: October 1, 2025
| 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 |
|
| 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.
| 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.
| 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. | |
| 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