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Siemens 7PX1040-1AJ20 Relay
Siemens 7PX1040-1AJ20 Relay
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Description:
The Siemens 7PX1040-1AJ20 Relay is a solid-state, on-delay timing relay used in industrial control panels to energize a load after a precisely controlled interval, enabling safe sequencing of outputs in automation systems. Specifically, the device is specified for 220-240 VAC operation at 50–60 Hz, handles load currents from 0.1 to 3 A, is designed for surface-mount installation, and includes two LED indicators that provide at-a-glance status and fault lighting during operation. Siemens lists the model as discontinued, and third-party catalogs frequently present it as an on-delay timing relay for legacy equipment, making careful sourcing important for replacement or refurbishment in older control architectures.
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