Circuit breaker for transformer protection 1.6A PKZM0-1.6-T 088912

Transformer protection circuit breaker – reliable protection and easy installation

This three-pole transformer protective circuit breaker, from the PKZM0-1.6-T series, is a solid solution for electrical installations requiring reliable protection against overload and short circuit. Designed in accordance with IEC/EN 60947, it offers effective protection for transformers with voltages up to 690V AC. The device features an adjustable overload and short-circuit release without delay, ensuring a quick response in the event of a failure. Additionally, phase failure sensitivity increases the safety of the installation.

The PKZM0-1.6-T circuit breaker is not only protection, but also convenient installation. Two ways of connecting wires are available – traditional screw terminals and modern Push-in terminals, which allow for quick and tool-free wiring. This solution reduces installation time by up to 50% and provides high resistance to shocks and vibrations. Screw terminals ensure a secure connection, and the compact design makes it easy to place in a distribution board.

Functionality and parameters for professionals

The rated continuous current of 1.6A and the short-circuit interrupting capacity of 150kA at 400V, 50Hz guarantee effective protection of transformer supply circuits. The adjustable overload release setting range (1…1.6A) allows for precise adaptation to the load characteristics. The built-in trip indicator facilitates diagnosis of the causes of the circuit breaker operation – whether it is an overload or a short circuit. The IP20 degree of protection provides protection against touch and limited exposure to external factors.

The circuit breaker has three poles and is designed for mounting on a TH rail. Its construction is based on a current adjustment knob, and the connection of the main contacts is made using screw connections. Power losses are 4.92W, which translates to efficient energy use in the installation. The device meets the requirements of IEC 60947-4-1 and VDE 0660 standards and has CE, UL, CSA and EAC certificates confirming its quality and safety of use.

Additional information and applications

PKZ series circuit breakers have been appreciated by specialists for years due to their reliability and durability – Eaton has been producing them continuously since 1932! They are an ideal solution for protecting step-down transformers in control circuits, distribution boards and low-voltage installations of SELV/PELV/FELV type. The possibility of expanding with auxiliary contacts (NHI), signaling contacts (AGM) or remote voltage releases (A-PKZ0, U-PKZ0) allows you to adapt the functionality to the specific needs of the installation.