WK系列自动转换开关（分体式）
- WK-32N/3P
- WK-32N/4P
- WK-125N/3P
- WK-125N/4P
- WK-250T/3P
- WK-250T/4P
- WK-400T/3P
- WK-400T/4P
- WK-630M/3P
- WK-630M/4P
- WK-800M/3P
- WK-800M/4P
- WK-1000M/3P
- WK-1000M/4P
- WK-1250M/3P
- WK-1250M/4P
- WK-1600M/3P
- WK-1600M/4P
- WK-200M/3P
- WK-200M/4P
- WK1-32N/3P
- WK1-32N/4P
- WK1-125N/3P
- WK1-125N/4P
- WK1-250T/3P
- WK1-250T/4P
- WK1-400T/3P
- WK1-400T/4P
- WK1-630M/3P
- WK1-630M/4P
- WK1-800M/3P
- WK1-800M/4P
- WK1-1000M/3P
- WK1-1000M/4P
- WK1-1250M/3P
- WK1-1250M/4P
- WK1-1600M/3P
- WK1-1600M/4P
- WK1-200M/3P
- WK1-200M/4P
- WK2-32N/3P
- WK2-32N/3P
- WK2-32N/4P
- WK2-125N/3P
- WK2-125N/4P
- WK2-250T/3P
- WK2-250T/4P
- WK2-400T/3P
- WK2-400T/4P
- WK2-630M/3P
- WK2-630M/4P
- WK2-800M/3P
- WK2-800M/4P
- WK2-1000M/3P
- WK2-1000M/4P
- WK2-1250M/3P
- WK2-1250M/4P
- WK2-1600M/3P
- WK2-1600M/4P
- WK2-200M/3P
- WK2-200M/4P
- WK3-32N/3P
- WK3-32N/4P
- WK3-125N/3P
- WK3-125N/4P
- WK3-250T/3P
- WK3-250T/4P
- WK3-400T/3P
- WK3-400T/4P
- WK3-630M/3P
- WK3-630M/4P
- WK3-800M/3P
- WK3-800M/4P
- WK3-1000M/3P
- WK3-1000M/4P
- WK3-1250M/3P
- WK3-1250M/4P
- WK3-1600M/3P
- WK3-1600M/4P
- WK3-200M/3P
- WK3-200M/4P