The PKZM0-4-T-PI from Eaton is a transformer protection switch designed for use in electrical installations. With a rated continuous current of 4 A and a maximum rated voltage of 690 V, this device provides reliable protection for transformers and generators. The switch is suitable for DIN rail mounting and features a robust design that meets the requirements of IEC/EN 60947 and VDE 0660. The PKZM0-4-T-PI is equipped with a rotary knob as an operating element, offering ease of use. The IP20 protection class ensures that the device can be used in dry indoor environments. The operating temperature range is from -25 °C to +55 °C, allowing for flexible application in various settings. The switch does not come with integrated earth fault protection or undervoltage release, making it a specialized solution for specific applications.

• Overload release with an adjustable range of 2.5 to 4 A
• Maximum short-circuit release current with time delay of 84 A
• Robust design for use in electrical installations
• Suitable for DIN rail mounting, but not standard
• Operating temperature range of -25 °C to +55 °C.