The LMF1-10 and LMZ2-10 outdoor vacuum circuit breaker dedicated current transformers are epoxy resin cast fully enclosed busbar structures, designed for use with vacuum switches on AC lines with a rated voltage of 10KV and a rated frequency of 50Hz; Among them, LMF1-10 is used for complex transformation ratio as protection, and LMZ2-10 is used for one-time measurement.

2、 Technical parameters of LMF1-10 and LMZ2-10 outdoor vacuum circuit breaker dedicated current transformers

1. Rated insulation level: 12/42/75KV

2. Load power factor: cos φ=0.8 (lag)

3. Rated secondary current: 5A or 1A

4. Product execution standard: GB1208-1997 "Current Transformers"

5. Instrument security factor: Fs ≤ 10

6. Other technical parameters are shown in the table below

LMF1-10

LMZ2-10