Eastron SDM72D-M User Manual
Smart three phase four wire energy meter
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Summary of Contents for Eastron SDM72D-M
- Page 1 SDM72D-M User Manual 2025 V1.00 SDM72D-M Smart Three Phase Four Wire Energy Meter USER MANUAL 2025 V1.00 2025 EASTRON ELECTRONIC. ALL RIGHTS RESERVED.
- Page 2 Eastron reserves all legal rights. Eastron reserves the right to amend the product specifications in this manual without prior notice. Before placing an order, please contact our company or local agent to get the latest specifications. 2025 EASTRON ELECTRONIC.
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Page 3: Table Of Contents
SDM72D-M User Manual 2025 V1.00 CONTENT Version History ..........................1 Risk Information ........................... 2 Chapter 1. Introduction .........................4 ........................4 ........................4 Chapter 2. Technical Parameters ....................5 ........................5 ......................5 ........................5 .......................5 ..............................6 ............................6 ............................6 ............................. 7 ..........................8... -
Page 4: Version History
SDM72D-M User Manual 2025 V1.00 Version History Version Date Changes 1.00 2025-4-21 Initial issue 2025 EASTRON ELECTRONIC. ALL RIGHTS RESERVED. -
Page 5: Risk Information
SDM72D-M User Manual 2025 V1.00 Risk Information Information for Your Own Safety This manual does not contain all of the safety measures operating the equipment (module, device) for different conditions and requirements. However, it does contain information which you must know for your own safety and to avoid damages. - Page 6 SDM72D-M User Manual 2025 V1.00 does not exceed the maximum rated current. The supply wiring of this device shall be suitable sized cable to match the installed circuit breaker. A Disconnection Device (Circuit Breaker) should be installed close to the Multi Function Energy ...
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Page 7: Chapter 1. Introduction
SDM72D-M User Manual 2025 V1.00 Chapter 1. Introduction The SDM72D-M is a 3 phase energy meter with white back-lighted LCD screen for perfect reading. The unit measures and displays voltage, current, frequency, power factor, active power, reactive power, active energy and reactive energy, etc. -
Page 8: Chapter 2. Technical Parameters
SDM72D-M User Manual 2025 V1.00 Chapter 2. Technical Parameters Voltage AC (Un) 3*230/400V AC Voltage Range 100 - 277V AC ( L-N ) Voltage Between Phase 100 to 480V AC ( L-L) Current Input 0.5-10(100)A Starting Current (Ist) 0.04A Transition Current (Itr) Over Current Withstand 30Imax for 0.01S... - Page 9 SDM72D-M User Manual 2025 V1.00 Radiated Emissions EN55032 Class B Conducted Emissions EN55032 Class B Over-voltage Category CAT III Installation Category CAT III Insulating Encased Meter of Protective Class Parameters Accuracy Resolution Voltage ±0.5% 0.1V Current ±0.5% 0.001A Frequency ±0.2% 0.01Hz...
- Page 10 SDM72D-M User Manual 2025 V1.00 ATTENTION: Pulse output must be fed as shown in the wiring diagram on the left. Scrupulously respect polarities and the connection mode. Opto-coupler with potential-free SPST-NO Contact. Contact range 5~27VDC Max. current Input: 27mA DC...
- Page 11 SDM72D-M User Manual 2025 V1.00 3P4W(default) 1P2W(default) 3P4W(reverse) 1P2W(reverse) *Default current direction: Top-in, Bottom-out.If reverse wiring required ( Bottom-in, Top-out), please specify bef ore ordering. 2025 EASTRON ELECTRONIC. When electricity matter www.eastrongroup.com...
- Page 12 SDM72D-M User Manual 2025 V1.00 Wiring Guide Measurement Connection Screw Connection Strip Length 12-13mm Screw Terminal ①~⑧ Rigid/Supple 4-25mm² (11~4AWG) Tightening Torque 3.5Nm Model Measurement Connection Screw Connection Strip Length 6-7mm Terminal Rigid/Supple 0.5-1.5mm² (26 ~ 14AWG) Tightening Torque 0.4Nm Model 2025 EASTRON ELECTRONIC.
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Page 13: Chapter 3. Operation
SDM72D-M User Manual 2025 V1.00 Chapter 3. Operation The first screen lights up all display segments and can be used as a display check The second screen show software version The third screen show program number The forth screen show Pulse constant ... - Page 14 SDM72D-M User Manual 2025 V1.00 Each successive pressing of the button selects a new range: Can be viewed by pressing the button： Total active energy Resettable total active energy Imported active energy in kWh Exported active energy in kWh ...
- Page 15 SDM72D-M User Manual 2025 V1.00 L1-N voltage L2-N voltage L3-N voltage L1 current L2 current L3 current L1 active power L2 active power 2025 EASTRON ELECTRONIC. When electricity matter www.eastrongroup.com...
- Page 16 SDM72D-M User Manual 2025 V1.00 L3 active power Total active power L1 reactive power L2 reactive power L3 reactive power Total reactive power L1 power factor L2 power factor 2025 EASTRON ELECTRONIC. When electricity matter www.eastrongroup.com...
- Page 17 SDM72D-M User Manual 2025 V1.00 L3 power factor Total power factor Frequency Pulse output type & Pulse constant · Modbus address Baud rate Parity bit Software version 2025 EASTRON ELECTRONIC. When electricity matter www.eastrongroup.com...
- Page 18 SDM72D-M User Manual 2025 V1.00 Each successive Long pressing of the button enter the auxiliary mode: CRC-high bytes CRC-low bytes The meter’s settable parameters are password protected. Each successive long pressing on the button to enter setup mode. Some menu items, such as password, require a four-digit number entry while others, such as baud rate, require selection from a number of menu options.
- Page 19 SDM72D-M User Manual 2025 V1.00 Baud rate setting Option: 2.4k, 4.8k, 9.6k, 19.2k, 38.4kbps default：9.6kbps Parity bit setting Option: EVEN, ODD, NONE Default: NONE Stop bit settomg Option: 1, 2 Default: 1 Pulse output setting Option: kWh ( import, export or Total )
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Page 20: Chapter 4. Declaration Of Conformity ( For Mid Meter Only)
Chapter 4. Declaration of Conformity ( For MID meter only) We, Zhejiang Eastron Electronic Co., Ltd. declares under our sole responsibility as the manufacturer that the three phase multi-function electrical energy meter SDM72D-M correspond to the production model described in the EU-type examination certificate and the requirements of the Directive 2014/32/EU. - Page 21 SDM72D-M User Manual 2025 V1.00 If you have any question, please feel free to contact our sales team. Eastron Electronic Co., Ltd. No. 52, Dongjin Road, Nanhu, Jiaxing, Zhejiang, China Tel: +86-573-83698881 Fax: +86-573-83698883 Email: sales@eastrongroup.com www.eastrongroup.com 2025 EASTRON ELECTRONIC.
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