EU Type Examination Certificate Number: 0120/SGS0652 Rayfull Electric Technology(Zhejiang)Co.,Ltd. Room310, Building 2, No.211, Yanbei Road, Haiyan, Jiaxing Zhejiang China Instrument Identification: SD20 Series Single Phase, Active Import/Export (kWh), Electricity Meter Instrument Traceable Number 0120/SGS0652 has been assessed and certified as meeting the requirements of EU Directive 2014/32/EU on Measuring Instruments Annex II, Module B It is certified that the manufacturer’s technical design and specimen for the above instrument has been examined and, based on the evidence submitted, it is considered that the instrument conforms to the requirements of Annex V of EU Directive 2014/32/EU This certificate must be used in conjunction with a certificate covering the product verification as required in Annex II, Module D or Annex II, Module F This certificate is valid for 10 years from 21 November 2023 until 21 November 2033 Issue 1 Certification is based on report number(s): DSS_SHES230500838701-REV3 dated 28th September 2023, DSS_SHES230500838702-REV3 dated 28th September 2023 Authorised Signature Tuomas Hänninen SGS Fimko OY, Notified Body 0598 Takomotie 8, FI-00380 Helsinki, Finland t +358 9 6963 61 www.sgs.fi EU Type Examination Cert.

EU-Type Examination Certificate Number: Technical Data Manufacturer Rayfull Electric Technology (Zhejiang) Co.,Ltd. Meter Type(s) Current Rating (Imin – Iref (Imax)) Active Accuracy Class (kWh) Temperature Range Software/ Firmware Version No Identification Location SD20P V1.2, SD20M V1.2, SD20MT V1.2, SD20DS: V1.2 IP51 Front Display Meter body not rated. Must be installed in a suitable IP rated enclosure Insulation Protective Class Impulse Voltage Rating Main Cover Sealing Type Main cover clipped in place and sealed with tamper proof sealing tape Inaccessible without breaking seals Intended Location...

EU-Type Examination Certificate Number: Photograph of Meter and Sealing Plan Terminal Cover Sealing Points EU Type Examination Cert. Page 3 of 7

EU-Type Examination Certificate Number: EU Type Examination Cert. Page 4 of 7

EU-Type Examination Certificate Number: Issue Number: 1 Calculation of the composite error/ MPE During the type approval examination the influence factors for temperature, frequency and voltage are determined per load point. The table below represents the sum of the square values per load, determined via the following formula:d e (T, U, f) = √ (d e2 (T, I ,cosj) , d e2 (U, I ,cosj) , d e2 ( f , I ,cosj)) where de(T, I ,cosj) de(U, I ,cosj) de( f , I ,cosj) Additional error due to variation of the temperature at the same load Additional error due to variation of the voltage at the same load Additional...

EU-Type Examination Certificate Number: Product Variant Identification Details: Type Designation Modifications to the meter(s) described according to approval No.0120/SGS0652 must be notified to the issuing body to confirm the meter(s) continuing compliance to the relevant pattern approval standard(s). EU Type Examination Cert. Page 6 of 7

EU-Type Examination Certificate Number: Document Revision History Issue 1 Initial Issue This document is issued by the Company subject to its General Conditions for Certification Services, available on request or accessible at http://www.sgs.com/en/Termsand-Conditions.aspx. Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined therein. Any holder of this document is advised that information contained hereon reflects the Company’s findings at the time of its intervention only and within the limits of Client’s instructions, if any. The Company’s sole...