[LOT OF 5] NEW - Siemens 3RH1921-1JA11 Auxiliary switch block 1NO + 1NCSiemens 3RH1921 1JA11 Auxiliary Switch Block Lot of 5 This listing includes five (5) units of the Siemens 3RH1921 1JA11 Auxiliary Switch Block, a compact and reliable add on module that extends the contact functionality of Siemens contactors. Featuring 1 normally open (NO) and 1 normally closed (NC) contact, it ensures enhanced control and feedback in automation systems. Key Features Manufacturer: Siemens Model Number: 3RH1921 1JA11 Type: Auxiliary

each rated for 400V and 680µF capacitance

6 kV (1K6)

high-voltage digital servo drive built for precise motion control in automation and robotics

equipped with a Eupec BSM25GD120DN2E3224 IGBT power module for reliable high-voltage switching and energy regulation during X-ray imaging operations

Mounting Style: DIN rail or panel mount (modular configuration)

Component Layout: Dual-side populated PCB with analog/digital ICs

Lot Quantity: 5 breakers included

The Envisor I/O Control Panel interfaces the HD11’s user console with external devices—such as ECG triggers

and durable motor control — particularly in digital print machinery

Design Features: Compact with cable strain relief and locking cap slots

Material: Typically anodized aluminum

Renowned for their long shelf life and reliability in extreme environments