™

EasyLogic
PM1125H series
Technical Datasheet
The EasyLogic™ PM1125H basic power and energy meters

Offering all the measurement capabilities required to monitor the electrical installation in a single 96 x 96 mm unit, with 8
segment alpha-numeric bright, large 14.2 mm high LED display.
PB120503

PM1125H

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 EASYLOGIC PM1125H BASIC POWER AND ENERGY METERS FUNCTIONS AND CHARACTERISTICS

PM1125H
EasyLogic™ PM1125H meters are ideal replacements for multiple analogue meters
for stand-alone metering in custom panels, switch boards, switch-gear, genset
PB120503

panels, motor control centres, power factor improvement panels and OEM panel
board.

• Application
–– Cost management applications
–– Measurement of basic electrical parameters in control panels,
motor control panels, power distribution boards, OEM’s, Building
management systems, panel instrumentation
–– Aggregation of energy consumption and cost allocation per area, per
usage, per shift and per time within the same facility
–– Network management applications
–– Power quality analysis (THD %)
–– Demand measurement
EasyLogic™ PM1125H power meter front ISO view
–– Measurement of Power factor
–– Phase angle between the voltage and current
–– % unbalance among voltage and current
PB120504

–– Modbus RTU protocol RS-485 communication port for integration with

energy management systemMain characteristics
• Main characteristics
–– Easy to install: Mounts using two retainer clips, no tools required. Compact
meter with 49 mm meter depth behind the panel, connectable up to 480 V
+10% AC volts L-L without voltage transformers for installation complaint
with measurement category III, and double insulated
–– Easy to operate: Intuitive navigation with self-guided menus and Heart
beat LED indicates normal functioning of meters while it conveys the
communication status when connected to RS-485 network
–– LED display: Intuitive navigation with self-guided, four buttons, 8 segment
alphanumeric LEDs of height ~14.2 mm (0.55 in), and three lines of
concurrent values with Kilo & Mega value indicator.
–– Power and energy: measurement, display and recording of three power
EasyLogic™ PM1125H front view and corresponding energy parameters simultaneously - W/Wh, VA/ VAh
and VAR/ VARh.
–– Demand: measurement of Peak, present and last demand values of either
W, VA or VAR parameters with selectable demand parameter, demand
interval and demand technique
PB120505

–– Accuracy:
–– Class 1.0 for active energy as per the test limits given in IEC 62053-21
–– Class 0.5 for active energy as per the test limits given in IEC 62053-22
–– Class 2.0 for reactive energy as per the test limits given in IEC 62053-23
–– Tested in accordance with IEC 62052-11 for energy test requirements
–– EMI/ EMC tests: As per IEC 61326-1
–– CT nominal: 5 A or 1 A I-nominal (field settable). CT reversal auto
correction for energy consumption.
–– Password: Field configurable password for securing set up information and
prevents tampering of integrated values.
–– Cyber security: Option for disabling RS-485 port through front panel keys
against unauthorized access. This feature can also be used for maintenance
and troubleshooting of complex communication network.
–– Display: Auto scaling, 4 digits for Instantaneous parameters and 5+3 digits
EasyLogic™ PM1125H power meter rear view
for energy parameter with auto scale and auto range capability.
–– Analogue load bar: The colour-coded analogue load bar at the front side
indicates the percentage of load through 12 LED’s with the option to select
full scale based on connected load.
–– Suppression current: To disregard the measurement of induced and panel
auxiliary load current in the circuit (settable from 5 to 99 mA)
–– Protective cover: Tamper-proof terminal screws do not detach from housing

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EASYLOGIC PM1125H BASIC POWER AND ENERGY METERS FUNCTIONS AND CHARACTERISTICS

PM1125H
PM1125H technical specifications
General
Use on LV & MV systems with Potential transformer (PT or VT)/ Current transformer (CT) ratio programmable at site
Digital panel meters for measurement of basic electrical parameters
Instantaneous rms values
Current Average line current of 3-phase, per-phase, and calculated neutral current
Voltage Average voltage of L-L, L-N parameters, per-phase
Frequency Any available line
Real (active), reactive, and apparent power Total and per-phase
True power factor Average and per-phase signed
% Unbalance Maximum % unbalance among phases for Volts & Amps
Revolution per minute (RPM) RPM of alternator or generator when number of poles set for 2, 4, 6, 8, 12, 14 or 16 (any one pole)
Energy values stored in non-volatile memory
Delivered & Received or Forward & Reverse or Import & Export energy (4 quadrant) - Accumulated or Integrated active (Real - Wh), reactive (VARh), apparent (VAh)
Time counters such as meter ON Hrs, load RUN Hrs and power outage counters
Old registers facilitate retrieval of last cleared energy values and load Run Hrs

Display
Bright red colour LED display, 8 segment alphanumeric LED, ~ 14.2 mm (0.55 in) height, 3 rows with 4 digits per row, auto range, auto scale

Communication
RS-485 serial channel connection Industry standard Modbus RTU protocol
Native Plug and Play support for Schneider Electric energy management system software - EcoStruxure Power Monitoring Expert, EcoStruxure Power SCADA
Operation along with ION Setup programming support
Diagnostics
Diagnostic page indicates the healthiness of communication system, all LED test, device serial number, device model number OS & RS version,
communication status, error code display
Page lock
Page lock and unlock features. Once the commonly referred page is enabled for lock feature, then the display returns to locked page in 4 minutes of inactive
time
Favourite page
Number and type of parameters can be chosen and arranged in Favourite page according to the user’s requirement
Electrical characteristics
Type of measurement True RMS, 4 quadrant power and energy, 32 samples/ cycle
Measurement accuracy
Current, per-phase & average ± 0.5 % of reading
Voltage, L-N, L-L, per-phase & average ± 0.5 % of reading
Power (active and apparent) ± 1.0 % for Class 1.0, ± 0.5% for Class 0.5
Power (reactive) ± 2.0 % for Class 1.0 & Class 0.5
Power factor, per-phase & average ± 0.01 of reading
Frequency ± 0.05 % for F-nominal 50/ 60 Hz ± 2
± 0.2 % for Frequency range from 30 to 48 Hz, 52 to 58 Hz and 62 to 70 Hz
Active or real energy Class 1.0 (± 1.0 %) Class 0.5 (± 0.5%)
Apparent energy ± 1.0 % & ± 0.5 %
Reactive energy Class 2.0 (± 2.0 %)
THD % ± 5 % of reading
Input-voltage
VT (PT) connection Selectable from No VT (direct), 1 VT, 2 VT to 3 VT
VT (PT) primary 100 V L-L to 999 kV L-L max
U (V) nominal (secondary) Up to 277 V L-N/ 480 V L-L (selectable VT secondary from 100, 110, 115, 120 to 415 V L-L)
Operating voltage range with accuracy 80-480 V L-L ± 10 % Category III
Measured Voltage with full range 35 to 600 V L-L
Permanent overload (withstand) 750 V L-L, continuous
Impedance ≥5 MΩ
Frequency range 50/ 60 Hz ± 2
VA burden ≤0.2 VA at 240 V L-N at 50 Hz
Frequency – measurement
Nominal operating range 50/60 Hz ± 2 (± 0.05 % accuracy)
Extended operating range 30 to 48 Hz, 52 to 58 Hz and 62 to 70 Hz (± 0.2 % accuracy)
Voltage input 80 to 480 V L-L ± 10 %

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PM1125H
PM1125H technical specifications (continued)
Input-current
CT connect Solo or multi-phase current measurement by installing CT (s) in either of A1, A2, A3, A12, A23, A13, A123 phase(s)
CT primary 1 A to 32767 Amps, programmable
CT secondary 1 A or 5 Amps I-nominal (field settable)
Operating current range with accuracy 10 mA to 6 A+1
Measured Amps with full range 5 mA to 10 A
Suppression current 5 to 99 mA (to disregard negligible load)
Permanent overload (withstand) Continuous 10 A, 10 s/hr 50 A, 1s/hr 500 A
Impedance 0.3 mΩ
Frequency range 50/60 Hz ± 2
VA burden ≤0.1 VA at 5 A, 50 Hz
AC - control power
Operating range 48 to 277 V L-N AC ± 10 %
Burden ≤4 VA at 240 V L-N, 50 Hz
Frequency 50/60 Hz nominal (45 to 65 Hz operating range)
Ride-through time 200 ms at 240 V L-N, 50Hz
DC - control power
Operating range 48 to 277 V DC ± 10 %
Burden ≤2 W at 240 V DC
Ride-through time 120 ms at 240 V DC
Display update
Instantaneous/ RMS parameters 1s
Demand parameters 5s
THD % (voltage and current) 5s
Power system
Phase labelling Configurable to 123, ABC, rst, pqr or ryb

Wiring configuration 13 wiring schemes (5 on front screen)

1ph, 2 w, L-N
1ph, 2 w, L-L
1ph, 3 w, L-L with N (2phase)
3ph, 3 w, Delta, Ungrounded
3ph, 3 w, Delta, Corner Grounded+2
3ph, 3 w, Wye, Ungrounded+2
3ph, 3 w, Wye Grounded+2
3ph, 3 w, Wye, Resistance Grounded+2
3ph, 4 w, Open Delta, Center-Tapped+2
3ph, 4 w, Delta, Center-Tapped+2
3ph, 4 w, Wye, Ungrounded+2
3ph, 4 w, Wye Grounded
3ph, 4 w, Wye, Resistance Grounded+2
Mechanical characteristics
Weight ~ 300 g (10.6 oz)
IP degree of protection IP 51 front side, IP 54 with gasket (optional accessory), IP 30-meter body, tested as per IEC 60529
Material Polycarbonate meets UL 94V-0 flammability rating
Dimensions W x H x D 96 x 96 x 49 mm (3.78 x 3.78 x 1.93 in) (D = depth of the meter from housing mounting flange)
13 mm (0.51 in) protrusion of meter from housing flange
Mounting position vertical
Panel thickness 5 mm (0.196 in) maximum
Environmental characteristics
Operating temperature - 10 to +60º C (14 to140º F)
Storage temperature - 20 to +70º C (-4 to 158º F)
Humidity rating 5 % to 95 % RH non-condensing
Pollution degree 2
Attitude ≤2000 metres (6562 ft), Category III
Product life >7 years
Insulation category Double insulation for user accessible parts

+1
Additional error of ± 2 % between 10 mA to 50 mA, ± 1% between 50 mA to 100 mA)
+2
Through communication

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PM1125H
PM1125H technical specifications (continued)
Electromagnetic compatibility (tested as per IEC 61326-1)
Electrostatic discharge IEC 61000-4-2
Immunity to radiated field IEC 61000-4-3
Immunity to fast transients IEC 61000-4-4
Immunity to impulse waves IEC 61000-4-5
Conducted immunity IEC 61000-4-6
Immunity to magnetic fields IEC 61000-4-8
Immunity to voltage dips IEC 61000-4-11
Emissions Emissions FCC Part 15 Class A/CE
Safety
Europe CE, as per IEC 61010-1 edition-3
US and Canada cULus as per UL61010-1 and CAN/CSA-C22.2 IEC 61010-1 edition-3, for 480 V AC L-L
Measurement Category (Voltage inputs) CAT III up to 480 V L-L
Overvoltage Category (Control power) CAT III up to 300 V L-N
Dielectric As per IEC/UL 61010-1 edition-3
Protective Class II, Double insulated for user accessible parts
Green premium EOL, REACH , PEP, RoHS complied
Communication
RS-485 port Modbus RTU: 2-Wires, 4800, 9600, 19200 or 38400 baud, Parity - Even, Odd, None, 1 stop bit if parity is Odd or
Even, 2 stop bits if none.
DLF3000: Firmware update through communication port

Isolation 2.5 kV RMS, double insulated

Protection features User configurable password (selectable from 0000 to 9999) protected for set-up and clearing of energy, and
other integrated data
Display language English
Technical publication Printed installation guide (QSG) supplied with meter in multi-language (EN, ES, FR, DE, PT, RU, TR, ZH) and user
guide in soft format
Human machine interface
Display type 8 segment Alpha-numeric LED, ~ 14.2 mm (0.55 in) height, 3 rows with 4 digits per row, 1 column of 12 LEDs to
indicate percentage of load connected in system. 4 digits for V AF PF parameters with auto scaling and auto range
Keypad 4 buttons for navigation at the front, combination of 2 buttons for performing set-up, lock/unlock pages and
viewing diagnostic pages
CAL LED (pulse LED) Red colour, meter constant is configurable from 1 to 9999000 pulses/ k_h (kWh, kVAh, or kVARh)
Comm. activity Green LED (for indicating RS-485 interface or heart beat pulse)

Feature set summary

Parameter/ Meter reference PM1125H, CL 1.0, RS-485 PM1125H CL 0.5, RS-485
Class of accuracy (Wh) 1.0 0.5
Sampling rate per cycle 32 32
Amps: average and per-phase, calculated neutral current b b
Voltage: V L-N, V L-L, average, per-phase b b
Power factor: average and per-phase b b
Frequency: any available phase b b
Power (W, VA, VAR) - Total and per-phase b b
Energy (Wh, VARh, VAh) - Delivered & Received or Forward & Reverse or Import & b b
Demand parameters – selectable for W, VA, VAR (one at a time) b b
Old registers – retrieval of last cleared values of energy and Run Hrs b b
Revolutions per minute (RPM) b b
Phase angle : Amp Deg (V to Amps, per-phase) b b
% Unbalance: Max unbalance Volts & Amps among 3 phase (s) b b
Life time counter - meter ON Hrs, Load Run Hrs and number of power interruptions b b
Communication: 2 wire, RS-485, Modbus RTU protocol b b
Commercial reference number METSEPM1125HCL10RS METSEPM1125HCL05RS

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PM1125H
PM1125H meter mounting
PB119373

PB119374

PB119375
See the appropriate Installation Guide for correct installation instructions.

PM1125H meter mechanical dimensions

PB119372

PM1125H meter display overview

A Menu selection buttons

PB120506

< Left key: To navigate left

Down key: To navigate down

<

Up key: To navigate up
<

< Right/OK key: To navigate right/Enter key

B LED indicators

C Alpha numeric LED display

D Analogue load bar

E Current inputs
PB120507

F RS-485

G Retainer clip

H Control power

I Voltage inputs

See the appropriate Installation Guide for correct installation instructions.

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Design: Schneider Electric
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EasyLogic PM1125H
PLSED310164EN © 2018 - Schneider Electric - All rights reserved 07-2018