Eastron — equipment and components

Eastron metering and control equipment

Source Eastron meters, power analyzers, current sensors, relays and gateways for replacement and new projects. Send the device identification, wiring diagram or equipment specification.

Eastron product groups

AC and DC energy meters

Match the network type, current measurement method and communication requirements. A 40 mA input differs from a 1 A / 5 A input. Modbus availability alone does not establish inverter compatibility; the register map and device version also matter.

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Panel power analyzers

Start with mounting dimensions and the measurement circuit. Then specify whether harmonic readings, digital signals and Ethernet are needed. Functions differ between Smart X variants, so procurement documents should carry the complete model suffix.

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Current transformers and sensors

Treat the sensor and the instrument as one measurement chain. Primary current, output signal, measurement class, dimensions and connection length all matter. A photograph of the meter front does not identify the installed transformer.

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Energy monitoring systems

A table linking each metering point to its device, interface and data destination helps define the project. It separates measurement hardware from communication and software requirements. For a single replacement, include the existing protocol and data format in the specification.

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Time relays and time switches

A weekly schedule differs from a delay triggered by a control signal. First define the operating principle, then specify contacts, supply and timing ranges. Supplement a front-panel photograph with the terminal diagram on the housing.

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Communication gateways and converters

Choose a gateway between two defined ends of a connection. List devices, physical interfaces and protocols on each side. Replacing a cable with a wireless link still requires checking addresses, timeouts and receiving-software requirements.

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AC and DC energy meters

SDM630-Modbus V2

A three-phase 100 A direct-connected meter for 3P3W/3P4W systems, with pulse output and Modbus RTU. Include the complete model code and circuit requirements; SDM630-Mbus V2 uses a different communication protocol.

SDM630MCT

A CT-operated version for 3P3W/3P4W systems. The catalog lists a 5 A input, pulse output and Modbus RTU. Match the measurement input and CT ratio when replacing it; check the 40mA and MV variants separately.

SDM120-M

A single-phase DIN-rail meter with 1P2W wiring, 45 A direct connection, pulse output and Modbus RTU. For replacement, provide the existing full model code, circuit ratings and register map used by the controller.

SDM36CT-M

A three-phase CT-operated meter with 1 A / 5 A inputs and RS485 Modbus RTU. SDM36CT-M 40mA is a different input version; identify the external transformers before selecting the replacement.

SDM630-EV V2

An EV metering version with 100 A direct connection and two RS485 Modbus RTU ports. Identify the charging controller and the data-exchange configuration required by the project.

SDM630MCT-40mA

A three-phase version for 40 mA external CTs, with pulse output and Modbus RTU. An inverter project also needs the inverter model, firmware version and intended meter location in the wiring diagram.

Panel power analyzers

Smart X96-5S

A multifunction panel analyzer with 1 A / 5 A inputs, Modbus RTU and harmonic analysis through the 63rd order. Replacement selection should compare the wiring system and measurement accuracy as well as the panel size.

Smart X96-3RC

A 96 × 96 panel analyzer with Rogowski-coil input, pulse output and Modbus RTU. Specify matching sensors as part of the measurement chain and identify any existing integrator separately.

Smart X835

A 96 × 96 instrument with 5 A CT input, pulse output, Modbus RTU and harmonic analysis through the 63rd order. Provide the CT ratio, measurement wiring and the data points required by the monitoring system.

Smart X72-5F / X72-5G

Compact 72 × 72 panel instruments with 5 A input and Modbus RTU. X72-5G adds digital inputs and outputs. For a replacement, document the occupied terminals and the connected signal specifications.

Current transformers and sensors

Split Core Current Transformers

Split-core CTs for measurement circuits. Selection requires the aperture dimensions, conductor shape and sensor output. For an existing switchboard, include photographs showing the available space around the cable.

Solid Core Current Transformers

Solid-core current transformers. Specify the primary current, secondary signal and mechanical dimensions. Confirm that the existing assembly permits the intended mounting arrangement before ordering.

ESCT-3RJ (3-in-1)

A three-phase 3-in-1 sensor with RJ connection and mA/mV output for the Easy Click System. For replacement, compare conductor spacing, cable type and the intended measurement input.

ESCT-RC Type A / Type B

Flexible Rogowski coils with an 8 mm cross-section. Type B lists 85/50/100 mV/kA at 50 Hz; Type A lists 85/50 mV/kA. Specify the loop length and match the output to the receiving instrument.

Energy monitoring systems

SDM230-LoRa P2P

A 1P2W single-phase 100 A meter with LoRa Point-to-Point and two pulse outputs. Describe meter and receiver locations; P2P and LoRaWAN represent different communication arrangements.

SDM320C-LR / SDM530-LR

LoRaWAN variants include single-phase SDM320C-LR and three-phase SDM530-LR. The former lists a digital input and the latter a pulse output. Define the gateway, frequency plan and receiving server for the project.

SDM230-WIFI TY / SDM630-WIFI TY

Single-phase and three-phase 100 A versions with Wi-Fi and Tuya APP support. State the local network, application and user-access requirements when defining the monitoring arrangement.

SDM630MCT-ML-TCP

A meter for four three-phase loads with Ethernet TCP/IP and 100 mA / 100 mV CT inputs. Specify the circuit count, external sensor type and channel assignment in the project.

Time relays and time switches

ESRD-TPD1

A single-channel digital weekly time switch with LCD, 40 programs, pulse program and holiday mode. Describe the switching schedule and connected load for selection.

ESRD-TPD2

A two-channel weekly time switch with LCD, 100 programs, pulse program and holiday mode. Identify the loads assigned to each channel and whether the schedules need to differ.

ESRD-TMS1

A digital multifunction time relay with 1C/O + 1NO contacts, LCD and 24 operating modes. Its listed range extends from 0 s to 99 h 59 min 59 s. Include a timing diagram for the intended cycle.

ESRD-TMS2

A time relay with two independent NO contacts, LCD and 24 operating modes. Listed ranges are 0–9999 s and 0–9999 min. Define the intended logic of each output before ordering.

Communication gateways and converters

ESP-E11

A compact DIN-rail gateway from Modbus RTU to Modbus TCP. It connects RS485 instrument data to Ethernet. For replacement, provide the serial settings and how the supervisory system addresses the devices.

ESP-W11

A DIN-rail RS232/422/485-to-Wi-Fi converter. Identify the actual serial interface and describe the wireless network the gateway will join.

ESP-G41 / ESP-5100

Cellular options: ESP-G41 lists RS232/485 to 2G/3G/4G, while ESP-5100 lists RS485/232 to 3G/4G. Specify the operating country, mobile operator and network-access requirements.

ESP-2100

A serial server for RS485 Modbus RTU and Ethernet TCP/IP. System integration requires the exchange mode, device list and polling settings.

Choose the equipment group

For consumption metering, start with SDM or DCM and define AC or DC operation and the connection method. Consider Smart X when the project requires network parameters and harmonic readings. If the instrument stays in place but an external sensor needs replacing, use the current-transformer group.

Specify an installed-device replacement

Photograph the front and side identification, terminal markings and the installation space. Transcribe the full model suffix. If the circuit includes CTs or a shunt, identify those components separately; the meter name alone does not define the complete measurement set.

Current input, protocol and scope of supply

Separate the primary current from the signal reaching the instrument. Inputs rated at 1 A / 5 A, 40 mA, 100 mA, 100 mV and Rogowski-coil inputs require the corresponding sensors. The power-circuit current rating alone does not specify the instrument variant.

Inverter and charging-station projects

For an inverter, identify the exact model, software version and meter location in the power diagram. Include the supported-device list from the inverter documentation where available. Compatibility assessment concerns the specific device pair, including registers and energy-flow direction.

Prepare a sourcing request

Send the ordering code or photographs, required quantity and delivery destination. If identification is incomplete, include the relevant wiring-diagram section and explain the device function. For a new installation, provide a specification with a separate line for each instrument type.

Quotation and project confirmation

Availability, price, lead time, compatibility and included components are confirmed for the selected variant after reviewing the request. No authorized-dealer status is claimed. MID, UL/ETL or PTB/Eichrecht identification must be checked against the exact instrument and project requirements.

Send the model and project requirements

Send the ordering code or photographs, required quantity and delivery destination. If identification is incomplete, include the relevant wiring-diagram section and explain the device function. For a new installation, provide a specification with a separate line for each instrument type.

Documents and sources

Industrial equipment

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