Current transformer for measurement and protection - Part of a 16-piece set; this listing is for one CT piece - Primary current range: 40 to 100 A - Secondary output: 20 mA - Voltage rating: 0.66 kV - One piece included in the set; ready to replace or pair with other CTs in the same collection Why you need this - Converts high primary currents to a safe, low secondary current for meters, relays, or instrumentation - Supports 40–100 A load ranges, making it suitable for mid to high current circuits - Compatible with equipment and protection schemes that accept a 20 mA secondary signal - Convenient as part of a 16-piece CT set; you can select the exact secondary CT you need for different circuits Key attributes - Function: current transformer for measuring and feeding low-current instrumentation - Compatibility: designed for use in systems up to 0.66 kV and with devices that require 20 mA secondary output - Size and form: single CT piece within a multi-piece set; suitable for panel or field installation - Performance: precise current stepping from primary to 20 mA output within the 40–100 A range Use scenarios - Electrical switchgear and distribution panels - Monitor loads in 40–100 A circuits and feed a 20 mA signal to meters or protection relays - Laboratory test benches and calibration setups - Simulate real-world current levels up to 100 A and provide a standard 20 mA signal for testing instruments - Spare parts and field replacement - Maintain an inventory of CTs from the same 16-piece set to ensure consistent performance across installations Notes - This description covers a single CT piece within a 16-piece set - Specifies primary range 40–100 A, secondary output 20 mA, and voltage rating 0.66 kV for correct selection and use