He kūpono ka pahu hoʻokaʻawale mana XL-21 no ka hoʻokaʻawale mana AC me AC 50Hz a me ka volta ma lalo o 500V ma nā hale hana a me nā kikowaena o nā ʻoihana ʻoihana a me nā ʻoihana mining. Hiki ke hoʻohana ʻia ma ka pale e like me ka mea e pono ai. E hoʻokomo i nā mea hana, nā kī hoʻololi mana, a me nā mea ʻē aʻe ma ka puka, a hiki ke wehe ʻia nā lua komo a me nā puka puka ma lalo o ka pahu. He maikaʻi nā ʻano pale lepo o ka pahu a kūpono no nā wahi lepo. ʻO ke au i helu ʻia o ka huahana he 400-600A.
ʻO nā papahana maʻamau i hoʻopau ʻia e ka hui i nā makahiki i hala iho nei: ʻo Xi'an Wanda Xintiandi, Wuhan Wanda Economic Development Plaza, Wuhan Wanda Central Cultural Zone, Hangzhou Wanda Gongshu Plaza, Weifang Wanda Plaza, Guangyuan Wanda Plaza, Wanda Plaza ma Hefei, Hohhot Wanda, Wuhai Wanda, Huangshi Wanda, Vanke Hi tech Huafu, Vanke Jinyu East Capital, Vanke Oriental Legend, Vanke Creative Valley, Chongqing Rongchuang · Mountain City Impression, Chongqing Rongchuang · Jinhua Hotel Chengdu Rongchuang · Shuixue Park, Samsung Electronics, Xi'an Power Supply Bureau Public Transformer Project, Xi'an International Convention and Exhibition Center, Xinglong Community Public Transformer Project, Chuanghui Community Public Transformer Project, Jinye Apartment Public Transformer Project, Lanbo Apartment Public Transformer Project, Hanfeng Apartment Public Transformer Project, Greenland City Gate, Zhonghai International Community, Qin II Site Park, Hanmi Site Park, Qujiang Artistic Conception, Tiandiyuan Suzhou Olive Bay, Ziwei ʻO Garden City, Ziwei Fashion Ziwei Zhenpin, Dongyao Fang, Caotan Jiayuan, Lintong East Garden, Western Power Shopping Mall, High tech Supporting · Lanbo International Du Qu, Jinye Apartment, Shenzhen Shenai Company Substation, Northwest Polytechnical University Zizi Square, Longteng New World, Samsung Supporting Service Center, Dayan Pagoda North Guangchang, Datang Furong Garden, Keri Scenic Area, Qujiang International Exhibition Center, Qujiang Guanshan Yue, Gaoke Shangdu, No.8 Mansion, Lvshui East City, Caotan Jiayuan White birch forest, nani ʻo Yuantuo, Xi'an Talent Service Center Comprehensive Building, Gaoxin Sixth Primary School, Gaoxin First Primary School, a me Maopo New City.
| Ka uila hana i helu ʻia | AC380V |
| Ka uila insulation i helu ʻia | AC660V |
| Pae o kēia manawa | 630A~100A |
| Pae haumia | 3 |
| Ka ʻae ʻana o ka uila | ≥ 8mm |
| Ka mamao o ke kolo ʻana | ≥ 12.5mm |
| Ka hiki ke uhaki i ke kuapo nui | 15KA |
| Papa palekana pā | IP30 |