雙重安全的本能。已校準的設計結果。過流保護(基于在引信時間上)和特定的帖子。熔斷器的介電性能系統和人類保護。
7277-5-1.5
7277-5-2
7277-5-2.5
7277-5-3
7277-5-4
7277-5-5
7277-5-7.5
7277-5-10
7277-5-15
7277-5-20
7277-5-25
7851-18-12.5
7851-18-15
7851-18-17.5
7851-18-20
7851-18-25
7851-18-30
7851-18-35
7851-18-40
7851-18-50
7851-18-60
7851-37-12.5
7851-37-15
7851-37-17.5
7851-37-20
7851-37-25
7851-37-30
7851-37-35
7851-37-40
7851-37-50
7851-37-60
7851-26-12.5
7851-26-15
7851-26-17.5
7851-26-20
7851-26-25
7851-26-30
7851-26-35
7851-26-40
7851-26-50
7851-26-60
7851-13-12.5
7851-13-15
7851-13-17.5
7851-13-20
7851-13-25
7851-13-30
7851-13-35
7851-13-40
7851-13-50
7851-13-60

所有額定的故障協調，以及用于輔助電路的選項。高短路容量一種去電離柵和磁鐵協助啟用6752-12和-300系列成功。
6752-311-5 10-60860-1050
6752-311-50 10-60806-1050
6752-311-65 10-60806-1065
10AT304-1 10AT304-1
10AT334-1 10AT334-1
10AT96-1 10AT96-1
10AT96-2 10AT96-2
10AT96-3 10AT96-3
10AT97-2 10AT97-2
10AT97-3 10AT97-3
AT299-1 AT299-1
AT299-2 AT299-2
AT464-1 AT464-1
7274-21-1 BACC18U1
7274-21-10 BACC18U10
7274-21-2 BACC18U2
7274-21-3 BACC18U3
7274-21-5 BACC18U5
7274-21-7? BACC18U7
7274-21-10 BACC18U10
2TC6-1 BACC81Z1R
2TC6-10 BACC18Z10R
2TC6-2 BACC18Z02R
2TC6-2? BACC18Z2R
2TC6-3 BACC18Z3R

高短路容量。一種去電離柵和磁鐵。協助使6752-100系列成功中斷四個故障。
9TC6-25 BACC18AE25
9TC6-35 BACC18AE35
2TC6-1 BACC18Z1R
2TC6-2 BACC18Z02R
2TC6-2.5 BACC18Z2R
2TC6-3 BACC18Z3R
2TC6-5 BACC18Z5R
2TC6-7.5 BACC18Z7R
2TC6-10 BACC18Z10R
7274-21-.5 BACC18U05
7274-21-1 BACC18U1
7274-21-2 BACC18U2
7274-21-3 BACC18U3
7274-21-4 BACC18U4
7274-21-5 BACC18U5
7274-21-7.5 BACC18U7