Pillar-type current mutual inductors for air-insulated switch cabinets of 40.5kV and below
LZZBJ9-35/250b/3S and LZZBJ9-35/250b/4S are suitable for KYN61-40.5 series switch cabinets and can also be used for other types of switch cabinets. LZZBJ9-35/250b/3S is mainly used for metering cabinets and pre-assembled mutual inductors. The product features a small size and light weight. LZZBJ9-35/250b/4S is mainly used in 3windings State Grid projects and new energy user projects, etc.
| Mutual inductor mold model | Number of windings | Maximum primary current (A) | Accuracy level | Maximum capacity (VA) | Altitude |
| LZZBJ9-35/250b/3S | 2 windings | 2500 | 0.2S/5P30 | 30/30 | below 2500 m |
| LZZBJ9-35/250b/4S | 3 windings | 2500 | 0.2S/0.5/5P30 | 30/30/30 |

