PRODUCT DESCRIPTION
SIEMENS 3RH1921-1XA22-0MA0 - Auxiliary Switch Block
This component is a SIEMENS SIRIUS 3RH19 series front-mounted auxiliary switch block, engineered for direct integration with SIRIUS 3RH11 auxiliary contactors and 3RT10 power contactors. It extends control circuit capabilities by providing additional switching contacts, facilitating complex interlocking, signaling, and feedback functions within industrial automation systems. This device is essential for enhancing the control logic of contactor-based motor control and general switching applications.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3RH19
- COMPONENT TYPE: Auxiliary Switch Block
- ELECTRICAL SPECS:
- CONTACT CONFIGURATION: 2 Normally Open (NO) + 2 Normally Closed (NC)
- RATED OPERATIONAL VOLTAGE (Ue): Up to 690V AC / 250V DC (IEC 60947-5-1)
- RATED OPERATIONAL CURRENT (Ie):
- AC-15 (230V): 6A
- DC-13 (24V): 10A
- MECHANICAL/PHYSICAL:
- MOUNTING POSITION: Front-mounted
- TERMINAL TYPE: Screw terminals
- INTERFACE/CONTROL:
- FUNCTION: Provides potential-free contacts for control circuits
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- AMBIENT OPERATING TEMPERATURE: -25 to +60 degrees C
- MOUNTING STYLE: Direct front mounting onto compatible contactors
- COMPATIBILITY/APPLICATION:
- COMPATIBLE CONTACTORS: SIEMENS SIRIUS 3RH11 Auxiliary Contactors, SIEMENS SIRIUS 3RT10 Power Contactors
- TYPICAL APPLICATIONS: Control circuit expansion, interlocking mechanisms, status indication, feedback loops in motor control centers, machinery, and process automation.