Whole Number 258, ISSN 0429-8284 FUJI ELECTRIC REVIEW 2017 Vol.63 No. 3 Electric Distribution, Switching and Control Devices Electric Distribution, Switching and Control Devices Vol.63 No.3 2017 No.3 Vol.63 Printed on recycled paper Fuji Electric Co.,Ltd. (Middle East Branch Offi ce) Overseas Subsidiaries Promotion of electrical products for the electrical utilities and the indus- trial plants * Non-consolidated subsidiaries Tel +973-17 564 569 Fuji Electric Co., Ltd. (Myanmar Branch Offi ce) America Providing research, feasibility studies, Liaison services Fuji Electric Corp. of America Tel +95-1-382714 Sales of electrical machinery and equipment, semiconductor devices, drive control equipment, and devices Representative offi ce of Fujielectric Co., Ltd. (Cambodia) Providing research, feasibility studies, Liaison services Tel +1-732-560-9410 URL http://www.americas.fujielectric.com/ Tel +855-(0)23-964-070 Reliable Turbine Services LLC Europe Repair and maintenance of steam turbines, generators, and peripheral 2017 equipment Fuji Electric Europe GmbH Sales of electrical/electronic machinery and components Tel +1-573-468-4045 Vol.63 No. Electric Distribution, Switching and Control Devices Tel +49-69-6690290 3 Fuji SEMEC Inc.* URL http://www.fujielectric-europe.com/ Manufacture and sales of door opening and closing systems One of the important roles of electric distribution, switching and Tel +1-450-641-4811 Fuji Electric France S.A.S Manufacture and sales of measurement and control devices control devices is to secure a safe, effi cient and stable supply of electri- Asia Tel +33-4-73-98-26-98 cal energy, and in this respect, there has been increasing expectation Fuji Electric Asia Pacifi c Pte. Ltd. URL http://www.fujielectric.fr/ Sales of electrical distribution and control equipment, drive control for improved reliability and effi ciency in these types of devices. Fuji Fuji N2telligence GmbH * equipment, and semiconductor devices Sales and engineering of fuel cells and peripheral equipment Electric has been meeting these expectations by continuously expand- Tel +65-6533-0014 Tel +49 (0) 3841 758 4500 URL http://www.sg.fujielectric.com/ ing and renewing its line-up of compact, energy saving and medium- Fuji SMBE Pte. Ltd. * China voltage devices developed especially for confi guring electric distribution Manufacture, sales, and services relating to low-voltage power distribu- Fuji Electric (China) Co., Ltd. and power supply systems and machines. As a result, we have enjoyed a tion board(switchgear, control equipment) Sales of locally manufactured or imported products in China, and export Tel +65-6756-0988 of locally manufactured products strong reputation for supplying timely products that meet market needs. URL http://smbe.fujielectric.com/ Tel +86-21-5496-1177 In this special issue, we will introduce the latest technologies and prod- Fuji Electric (Thailand) Co., Ltd. * URL http://www.fujielectric.com.cn/ ucts for electric distribution, switching and control devices, which im- Sales and engineering of electric substation equipment, control panels, Shanghai Electric Fuji Electric Power Technology and other electric equipment (Wuxi) Co., Ltd. prove ease-of-use, while contributing to safer and more effi cient power Tel +66-2-210-0615 Research and development for, design and manufacture of , and provi- supply through the evolution of Fuji Electric’s switching and breaking http://www.th.fujielectric.com/en/ sion of consulting and services for electric drive products, equipment for Fuji Electric Manufacturing (Thailand) Co., Ltd. industrial automation control systems, control facilities for wind power technologies. generation and photovoltaic power generation, uninterruptible power Manufacture and sales of inverters (LV/MV), power systems (UPS, PCS, systems, and power electronics products switching power supply systems), electric substation equipment (GIS) and vending machines Tel +86-510-8815-9229 Tel +66-2-5292178 Wuxi Fuji Electric FA Co., Ltd. Fuji Tusco Co., Ltd. * Manufacture and sales of low/high-voltage inverters, temperature controllers, gas analyzers, and UPS Manufacture and sales of Power Transformers, Distribution Transformers and Cast Resin Transformers Tel +86-510-8815-2088 Tel +66-2324-0100 Fuji Electric (Changshu) Co., Ltd. URL http://www.ftu.fujielectric.com/ Manufacture and sales of electromagnetic contactors and thermal relays Fuji Electric Vietnam Co.,Ltd. * Tel +86-512-5284-5642 Sales of electrical distribution and control equipment and drive control URL http://www.fujielectric.com.cn/csfe/ equipment Fuji Electric (Zhuhai) Co., Ltd. Tel +84-24-3935-1593 URL http://www.vn.fujielectric.com/en/ Manufacture and sales of industrial electric heating devices Tel +86-756-7267-861 Fuji Furukawa E&C (Vietnam) Co., Ltd. * http://www.fujielectric.com.cn/fez/ Engineering and construction of mechanics and electrical works Tel +84-4-3755-5067 Fuji Electric (Shenzhen) Co., Ltd. Manufacture and sales of photoconductors, semiconductor devices and Fuji CAC Joint Stock Company * currency handling equipment Provide the Solution for Electrical and Process Control System Tel +86-755-2734-2910 Tel +84-28-3742-0959 URL http://www.szfujielectric.com.cn/ URL www.fujicac.com Fuji Electric Dalian Co., Ltd. PT. Fuji Electric Indonesia * Manufacture of low-voltage circuit breakers Sales of inverters, servos, UPS, tools, and other component products Tel +86-411-8762-2000 Tel +62 21 574-4571 URL http://www.id.fujielectric.com/ Fuji Electric Motor (Dalian) Co., Ltd. Cover Photo: Fuji Electric India Pvt. Ltd. * Manufacture of industrial motors (1)“AY22 Series” pushbutton switch, (2)“DY22 Series” pilot Sales of drive control equipment and semiconductor devices Tel +86-411-8763-6555 light, (3) “F-MPC60G Series” multifunctional digital relay, Tel +91-22-4010 4870 (4) “EX Series” electronic earth leakage circuit-breaker, Dailan Fuji Bingshan Vending Machine Co.,Ltd. URL http://www.fujielectric.co.in (5)“F-MPC Web unit,” (6)“CP30F Series” circuit protector Development, manufacture, sales, servicing, overhauling, and installa- and (7)“SVE135” sealed high-voltage contactor FUJI ELECTRIC REVIEW vol.63 no.3 2017 Fuji Electric Philippines, Inc. tion of vending machines, and related consulting date of issue: September 30, 2017 Manufacture of semiconductor devices Tel +86-411-8754-5798 Tel +63-2-844-6183 Fuji Electric (Hangzhou) Software Co., Ltd. editor-in-chief and publisher KONDO Shiro Fuji Electric (Malaysia) Sdn. Bhd. Development of vending machine-related control software and develop- ment of management software (3) Corporate R & D Headquarters Manufacture of magnetic disk and aluminum substrate for magnetic disk Fuji Electric Co., Ltd. Tel +60-4-403-1111 Tel +86-571-8821-1661 (2) URL http://www.fujielectric.com.my/ URL http://www.fujielectric.com.cn/fhs/ Gate City Ohsaki, East Tower, (1) 11-2, Osaki 1-chome, Shinagawa-ku, Fuji Furukawa E&C (Malaysia) Sdn. Bhd. * Fuji Electric FA (Asia) Co., Ltd. Tokyo 141-0032, Japan Engineering and construction of mechanics and electrical works Sales of electrical distribution and control equipment Tel +60-3-4297-5322 Tel +852-2311-8282 http://www.fujielectric.co.jp Fuji Electric Taiwan Co., Ltd. Fuji Electric Hong Kong Co., Ltd. editorial offi ce Fuji Electric Journal Editorial Offi ce Sales of semiconductor devices, electrical distribution and control Sales of semiconductor devices and photoconductors (4) c/o Fuji Offi ce & Life Service Co., Ltd. equipment, and drive control equipment (7) Tel +852-2664-8699 Tel +886-2-2511-1820 URL http://www.hk.fujielectric.com/en/ (6) 1, Fujimachi, Hino-shi, Tokyo 191-8502, Japan Fuji Electric Korea Co., Ltd. Hoei Hong Kong Co., Ltd. Sales of power distribution and control equipment, drive control equip- Sales of electrical/electronic components Fuji Electric Co., Ltd. reserves all rights concerning the republication and publication after translation ment, rotators, high-voltage inverters, electronic control panels, medium- Tel +852-2369-8186 into other languages of articles appearing herein. (5) and large-sized UPS, and measurement equipment URL http://www.hoei.com.hk/ All brand names and product names in this journal might be trademarks or registered trademarks of Tel +82-2-780-5011 their respective companies. URL http://www.fujielectric.co.kr/ Contents Electric Distribution, Switching and Control Devices [Preface] Rediscovering the Significance of Publishing 124 Fuji Electric Journal YOSHIDA, Kiyoshi Electric Distribution, Switching and Control Devices: 126 Current Status and Future Outlook SUZUKI, Kenji OKAMOTO, Yasumichi Screwless Terminal Technology and Products that Contribute to 136 Panel Manufacturing Labor Savings MACHIDA, Noriyoshi HAMADA, Yoshinobu “EX Series” Electronic Earth Leakage Circuit-Breaker that 142 Contributes to Development of Smart Societies SATO, Yutaka HASHIMOTO, Takashi HOSOOKA, Yohei “CP30F Series” Circuit Protector for Improving Safety and 148 Wiring Workability EMURA, Takeshi “AY22 Series” and “DY22 Series” Command Switches (φ22) for 153 Chinese and Asian Markets TAKANO, Yoshihiro INOUE, Tatsuyuki YAMADA, Takashi IEC Standard Compliant Vacuum Circuit-Breaker (12 kV, 24 kV) for 158 Southeast Asian Markets OKAZAKI, Takayuki KIKUCHI, Masanori TOKUNAGA, Yoshihide “F-MPC60G Series” Multifunctional Digital Relay Providing 163 High Visibility and Operability KUDO, Hideki “F-MPC Web Unit” and “F-MPC ZEBLA” for Implementing 168 Energy Management Systems ENJO, Yoshihiro TAKAHASHI, Hideo “SVE135” Sealed High-Voltage Contactor Having 174 High Overcurrent Withstand