Siemens Auxiliary Switch Block 3RH1921-1DA11

Siemens Auxiliary Switch Block 3RH1921-1DA11

The Siemens Auxiliary Switch Block 3RH1921-1DA11 is a versatile component designed to enhance the functionality of motor and power contactors, as well as contactor relays. This lateral auxiliary switch block is engineered for seamless integration and reliable performance in various industrial applications.

Key Features

• Contact Configuration: Equipped with 1 Normally Open (NO) and 1 Normally Closed (NC) contact, providing flexibility for diverse control requirements.
• Mounting Type: Designed for lateral mounting, allowing easy attachment to the side of compatible contactors without the need for additional tools.
• Terminal Type: Features screw terminals for secure and straightforward wiring connections.
• Compatibility: Suitable for use with Siemens SIRIUS 3RT1 series contactors ranging from size S0 to S12, ensuring broad applicability across different setups.
• Durability: Offers a mechanical lifespan of up to 10 million cycles and an electrical lifespan of up to 200,000 cycles, ensuring long-term reliability.
• Operating Conditions: Functions effectively within a temperature range of -25°C to 60°C, accommodating various environmental conditions.
• Protection Rating: Provides IP20 protection, safeguarding against solid objects larger than 12.5 mm.

Technical Specifications

• Voltage Rating: 230 VAC
• Current Rating: 6 A
• Dimensions: 80 mm (Height) x 10 mm (Width) x 71 mm (Depth)
• Standards Compliance: Meets international standards including UL Listed, CSA Certified, CE Certified, and CCC Certified.

The Siemens 3RH1921-1DA11 Auxiliary Switch Block is an essential accessory for enhancing the control capabilities of your contactor assemblies, offering dependable performance and ease of installation.