Trafotek CHK0520 Current Transformer

The Trafotek CHK0520 is a precision current transformer engineered for industrial measurement and monitoring applications. This module provides accurate current sensing with galvanic isolation, enabling safe measurement of AC currents in power distribution systems, motor control centers, and industrial automation equipment.

Electrical Characteristics

The transformer is rated for operation within standard industrial current ranges, with output scaling that matches typical metering and protection relay inputs. The core material is selected for linearity across the measurement range, ensuring accurate readings from low load conditions up to full rated current. Insulation between primary and secondary circuits meets safety requirements for installation in power distribution equipment.

• Product Type: Current transformer module

• Primary Current Rating: Industry standard ranges

• Secondary Output: Standard 1 A or 5 A, or low-power output

• Accuracy Class: Class 0.5 or better

• Core Type: Precision wound core

• Installation: Split-core for retrofit, solid-core for new installations

• Isolation: Reinforced insulation between primary and secondary

• Mounting: Panel or DIN rail compatible

Construction and Durability

The CHK0520 is constructed with flame-retardant materials and encapsulation that protects the winding and core from environmental contaminants. The housing is designed for installation in electrical enclosures, with terminals that accommodate standard wire gauges used in instrumentation wiring. The transformer meets industrial environmental requirements for temperature, humidity, and vibration resistance.

Application Domains

This current transformer is suitable for a wide range of industrial applications including motor current monitoring, energy management systems, power quality analysis, and protective relay input. It is commonly used in manufacturing facilities, commercial buildings, and utility substations where accurate current measurement is required for operational monitoring and billing purposes. The CHK0520 provides the isolation necessary to safely connect measurement circuits to energized conductors.