What are the specifications and models of current transformers? The models of low-voltage current transformers include LMZ1-0.5, LMZ1-0.66, LMZJ1-0.5, LMK-0.66, BH-0.66, SDH-0.66, and so on.

58彩票Some enterprise models are quite unique, such as ALH-0.66, AKH-0.66, and so on.

The selection criteria for low-voltage current transformers include:

1. Rated insulation voltage: The insulation voltage of a -0.5 transformer is 500V and is generally used for threading cables- The insulation voltage of 0.66 is 660V, suitable for threading bare copper/aluminum bars.

2. LMZ1, LMZJ1 and other larger sizes can be fixedly installed and are generally used for fixed cabinet installations with larger spacing; LMK, BH, and SDH have smaller sizes and can be directly fixed on busbars or cables. They are generally used in high current circuits or drawer cabinets.

3. Different inner hole styles and sizes need to be selected based on the size of the busbar or cable. The current is basically unrelated to the selection. There are more types of high-voltage transformers, including pillar type, core through type, and bushing type. Common models include LZZBJ9, LZJC, and so on.

So, what about the model of current transformer?

58彩票The model of current transformer is composed of 2-4 pinyin letters and numbers. It can usually indicate the coil type, insulation type, conductor material, and usage location of the current transformer. The number after the horizontal line represents the voltage level of the insulation structure (level 4).

The meaning of the letters in the current transformer model is as follows: view the current transformer model L through the nameplate: in the first digit, it represents the current transformer; D: In the second position, it represents single turn through type, and in the last letter of the model, it represents differential protection (some manufacturers use B or C to indicate). F: In the second position, it represents compound turn through type. Q: In the second position, it represents coil type, and in the fourth position, it represents reinforced type; M: In the second position, it represents busbar type; R: In the second position, it represents the loading type; A: In the second position, it represents through wall style; C: In the second position, it represents porcelain sleeve type, and in the third position, it represents porcelain insulation; Z: In the third position, it represents pouring insulation; J: In the third place, it represents increased capacity and enhanced type, and in the fourth place, it represents increased capacity; G: In the third place, it represents an improved type; W: In the third place, it represents outdoor type.

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