1. SYLHP--I-F，α=35       non explosion proof two-stage running switch
2. THP-12-30           two-stage deviation switch
3. PP-K2/J          two-stage deviation switch
4. HQPK-PXB/316         stainless steel deviation switch
5. PXB-02GKH-C        waterproof deviation switch
6. PLR10          deviation switch
7. PLR10-2          deviation switch
8. FPK-12-30         two-stage deviation switch
9. QK-12A-30A           two-stage deviation switch
10. DQK-30A           chemical plant deviation switch
11. XLPP-1           two-stage deviation switch
12. XLPP-J-12-30         two-stage deviation switch TAG：