... 1A, 1.5A, 3A, 5A, 7.5A, 10A, 15A, 20A.For 10A-10KA,Use external current transformer, which ... ABS plastic material is used for making SF series'external case,and PPO plastic material is used ... PC plastic material is used for making SFT series'external case and base. Both of which will ... or damaging the meter.6. Mounting: SF series is flush mounting with bracket. ......We can provide all kinds of ...