This versatile split-core current transformer offers professional-grade current measurement capabilities with exceptional accuracy. The QNCTK1-24 features a convenient split-core design that allows for easy installation without disconnecting existing circuits - simply clamp it around the conductor. With a high-precision measurement accuracy of 0.5%, this transformer delivers reliable current monitoring from 100A to 600A input with 5A output. The robust construction includes a durable flame-retardant housing rated to UL94-V0 standards, while the wide operating temperature range of -40°F to 185°F makes it suitable for diverse industrial environments. The transformer's 0.66/0.72kV working voltage and 2kV dielectric strength ensure safe operation in various electrical systems. Its single-phase design and compact form factor make it ideal for retrofitting into existing electrical panels and equipment. Whether for power monitoring, industrial automation, or energy management systems, this current transformer provides the precision and reliability needed for professional applications.