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| Place of Origin: | U.K. |
| Brand Name: | Siemens |
| Certification: | COO & COC |
| Model Number: | 6ES7322-1HH01-0AA0 |
6ES7322-1HH01-0AA0 Siemens SIMATIC S7-300 digital output SM 322 isolated 16 DO relay contacts
The Siemens 6ES7322-1HH01-0AA0 is a highly reliable 16-channel digital output module from the SIMATIC S7-300 programmable logic controller (PLC) family, featuring electromechanical relay contacts for universal switching of AC and DC loads. Designed for industrial automation, process control, and building management systems, this module enables direct control of solenoids, indicator lamps, small motors, valves, heaters, and other field devices—without requiring external interposing relays.
Unlike solid-state outputs, the relay-based design of the 6ES7322-1HH01-0AA0 supports mixed-voltage applications (up to 250 V AC or 24 V DC per channel), provides galvanic isolation between logic and load circuits, and offers visible contact status via integrated LEDs. Its robust construction, compliance with international safety standards, and compatibility with all S7-300 CPUs make it a go-to solution for applications demanding flexibility, electrical isolation, and long service life—even in electrically noisy environments.
Product Overview: Siemens 6ES7322-1HH01-0AA0
| Model | 6ES7322-1HH01-0AA0 |
| Type | 16-channel relay output module |
| Contact Form | Normally Open (NO) |
| Max Voltage | 250 V AC / 24 V DC |
| Max Current | 2 A per channel (resistive) |
| Min Load | 5 V / 10 mA |
| Switching Life | 100,000 cycles @ 2 A |
Product details pictures
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