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Siemens 3RH1921-1CA10 - Auxiliary Block 1NO 250V

Siemens
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Siemens 3RH1921-1CA10 Motor Control is a contactor and motor starter auxiliary block designed for use with Siemens 3RT2 contactors and 3RB3 solid-state overload relays. This auxiliary switch block features a single normally open (1NO) contact configuration, rated for a maximum coil voltage of 250V AC/DC, and operates with a current rating of 10A AC-15 and 6A DC-13. The component weighs 0.044 lb and is constructed with a compact, modular design for easy snap-on mounting to the main contactor or starter assembly. It complies with IEC 60947-5-1 and UL 508 standards for industrial control equipment. Typical applications include signaling, interlocking, and control circuit switching in motor control centers and industrial automation systems.

Key Features & Specifications
  • Type: Contactor And Motor Starter Auxiliary Block
  • Voltage Rating: 250V AC/DC (maximum coil voltage)
  • Current Rating: 10A AC-15, 6A DC-13
  • Dimensions: Not specified
  • Standards: IEC 60947-5-1, UL 508
  • Applications: Signaling, interlocking, control circuit switching in motor control centers and industrial automation
  • Switch Type: Auxiliary contact block
  • Configuration: 1NO (normally open)
  • Coil Voltage Maximum: 250V AC/DC
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: Not specified
  • Voltage: 250V AC/DC
  • Amperage: 10A AC-15, 6A DC-13
  • AIC rating: Not specified
  • Connection: Screw terminals
  • Poles: 1
  • Protection: Not specified
  • Functions: Auxiliary switching
  • Frame Size: Not specified
  • Trip Type: Not specified
  • Panel Type: Not specified
  • Breaker Type: Not specified
  • Control Voltage Minimum: Not specified
  • Control Voltage Maximum: 250V AC/DC
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not specified
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: Snap-on
  • Hz: Not specified
  • Coil Material: Not specified
  • Horse Power: Not specified
  • Aux Contacts: 1NO
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not specified
  • Coil Voltage Minimum: Not specified
  • Wire: Not specified
  • Amperage Maximum: 10A AC-15, 6A DC-13
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Auxiliary contact block
  • Wire Size: Not specified
  • Certification: IEC, UL
  • Circuit Breaker Mounting Style: Not specified
  • Terminal Connection: Screw terminals
  • Frequency Rating: Not specified
  • Phase Connection: Not specified
  • Standards: IEC 60947-5-1, UL 508
  • Compatible Frames: 3RT2 contactors, 3RB3 overload relays
  • Installation Type: Snap-on mounting
  • Item QTY: 1
  • Nema Starter Size: Not specified
  • Breaker Frame: Not specified
  • Current Rating: 10A AC-15, 6A DC-13
  • Reverse Standoff Voltage: Not specified
  • Watts: Not specified
  • Peak Pulse Current: Not specified
  • Breakdown Voltage (MIN VBR@IT ) (V): Not specified
  • Breakdown Voltage (VBR@IT) (V): Not specified
  • Polarity: Not specified
  • Operating Temperature Maximum Celsius: Not specified
  • Max Clamp Voltage: Not specified
  • On-State Current: Not specified


Product Identification
  • UPC: 754554398679
  • GTIN: 04011209281332