Siemens 6ES7 921-5CB20-0AA0 Front Plug Module Lot of 8 Used (Best Offer!) 70734 and serial number simply indicates

and serial number simply indicates that no NanoDrop device is currently connected (see photos)

features a 2-pole design

Volume: 4mL

1 X Barb 10L Waste Bottle Fitting (P/N: 00028770600)

Siemens 6ES7 921-5CB20-0AA0 Front Plug Module Lot of 8 Used (Best Offer!) 70734 and serial number simply indicatesThis lot includes eight Siemens 6ES7 921 5CB20 0AA0 front plug modules. These modules are essential components for Siemens automation systems, providing reliable connectivity and signal transmission. Brand: Siemens Model: Front Plug Module Model Number MPN: 6ES7 921 5CK20 0AA0 Units in Lot: 8 Country of Manufacture: Germany The front plug modules are in used condition. There are some minor signs of wear on the modules. All units are untested in the