The Klockner-Moeller ETR4-70-A is a versatile electronic timing relay designed to cater to a broad range of timing functions within industrial control systems. This compact and reliable component is engineered to perform in demanding environments, offering a time delay range from 0.05 seconds to 100 hours. It is suitable for a variety of applications, including on-delay, off-delay, fleeting contact on energization and de-energization, flashing, pulse initiating, on- and off-delayed, pulse forming, and pulse generating functions.
With a nominal current rating of 3 A and operational voltage ranges from 24 to 240 V AC/DC, this timing relay is adaptable to multiple power supply specifications. The ETR4-70-A features two changeover contacts, which can be configured to two timed contacts or one non-delayed contact and one timed contact, enhancing its flexibility for different circuit requirements.
The unit's design allows for easy installation on a DIN rail, making it a convenient choice for panel builders and maintenance engineers. Its screw terminal connections ensure secure wiring and a solid installation. The ETR4-70-A is also equipped with a potentiometer connection for precise timing adjustments, making it a practical solution for processes that require fine-tuned control.
Constructed to meet international standards, including IEC/EN 61812 and IEC/EN 60947-5-1, the ETR4-70-A is a reliable choice for industrial automation applications. Its robust build quality and technical specifications make it a valuable component for enhancing the efficiency and precision of automated processes.