Kotak distribusi daya XL-21 cocog pikeun distribusi daya AC kalayan AC 50Hz sareng tegangan di handap 500V di bengkel sareng gardu induk perusahaan industri sareng pertambangan. Éta ogé tiasa dianggo dina layar upami diperyogikeun. Pasang instrumen, konci saklar kontrol, jsb. dina panto, sareng liang kabel asupan sareng outlet tiasa dibuka di handapeun kotak. Kotak ieu gaduh karakteristik tahan lebu anu saé sareng cocog pikeun tempat anu berdebu. Arus nominal produk nyaéta 400-600A.
Proyék-proyék has anu parantos réngsé ku perusahaan dina sababaraha taun ka pengker kalebet: 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 di 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 Kota Kebon, Ziwei Fashion Ziwei Zhenpin, Dongyao Fang, Caotan Jiayuan, Kebon Lintong Wétan, Pusat Balanja Western Power, Pangrojong téknologi luhur · Lanbo International Du Qu, Apartemen Jinye, Gardu Induk Perusahaan Shenai Shenzhen, Universitas Politeknik Barat Laut Zizi Square, Longteng New World, Pusat Layanan Pangrojong Samsung, Pagoda Dayan Guangchang Kalér, Kebon Datang Furong, Daérah Wisata Keri, Pusat Pameran Internasional Qujiang, Qujiang Guanshan Yue, Gaoke Shangdu, Gedong No.8, Kota Wétan Lvshui, Leuweung birch bodas Caotan Jiayuan, Yuantuo anu éndah, Gedong Komprehensif Pusat Layanan Bakat Xi'an, Sakola Dasar Kagenep Gaoxin, Sakola Dasar Kahiji Gaoxin, sareng Kota Anyar Maopo.
| Tegangan kerja anu dipeunteun | AC380V |
| Tegangan insulasi anu dipeunteun | AC660V |
| Tingkat ayeuna | 630A ~ 100A |
| Tingkat polusi | 3 |
| Jarak listrik | ≥ 8mm |
| Jarak rambat | ≥ 12.5mm |
| Kapasitas megatkeun saklar utama | 15KA |
| Tingkat panyalindungan kandang | IP30 |