Split Core type current transformer is an improved type of current transformer designed to allow installation and maintenance without cutting cables, suitable for fields such as power systems, industrial control, and electrical fire monitoring. The following is key information about split type current transformers:
1. Basic structure and working principle
Split type current transformers are usually composed of two or more separable parts, fixed together by connecting devices (such as stainless steel clamps, locking clips, etc.) to form a complete annular structure. Its core components include:
1.1 CT Core: High quality silicon steel sheets are usually rolled to improve magnetic permeability and measurement accuracy
1.2 Winding: The secondary winding is uniformly wound on the iron core for inducing current signals
1.3 Outer Shell: Made of high-strength PVC to provide good insulation and moisture resistance
2. Main features
Easy installation: No need to disconnect the cable, it can be directly clipped onto the cable, suitable for renovation projects or space limited occasions
Moisture proof and Waterproof: Epoxy resin or PVC encapsulation can effectively prevent moisture from entering and improve long-term stability
Interchangeability: Some designs support the interchangeability of transformers and protector hosts, without affecting measurement accuracy
Multiple output options: can provide different output signals such as 0-500mA, 1A, 5A, 4-20mA, or 5VDC to meet different application requirements
3. Application scenarios
Electrical fire monitoring: used to monitor low-voltage residual current and prevent electrical fires
Power system protection: applicable to circuits such as motor protection, pump protection, and power capacitor protection
Industrial measurement: used for current measurement, control circuits, etc
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