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Siemens 3RV1021-4BA10 - Motor Protection Circuit Breaker 14-20A

Siemens
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Siemens 3RV1021-4BA10 is a molded case motor protection circuit breaker from the Sirius family, designed to provide reliable overload and short-circuit protection for industrial motors. It features a Class 10 thermal overload release with an adjustable current range of 14 to 20 amps, a short-circuit release of 260 A, and a voltage rating of 690 VAC/VDC with a high interrupting capacity of 50 kA. The device has a 3-pole configuration, an S0 frame size, and screw terminals for secure connections, weighing 0.792 lb with an IP20 front protection rating for finger-safe electrical shock protection. It complies with industry standards for motor protection, including phase failure detection and surge voltage resistance of 6000 V. This circuit breaker is typically used in industrial motor control applications requiring dependable protection and auxiliary switching capabilities.

Key Features & Specifications
  • Manufacturer: Siemens
  • Item Subcategory: Molded Case
  • Family: Sirius
  • Weight: 0.792 lb
  • Amperage: 14-20 A adjustable
  • Voltage Rating: 690 VAC/VDC
  • Poles: 3
  • Frame Size: S0
  • Interrupting Capacity: 50 kA
  • Trip Unit: Class 10 thermal overload release
  • Mounting Type: Screw connection
  • Protection Class: IP20 front
  • Phase Failure Detection: Yes
  • Auxiliary Switch: Yes
  • Surge Voltage Resistance: 6000 V
  • Motor Protection: Yes


Product Identification
  • UPC: 754554409290
  • GTIN: 646412814653