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Siemens 3RV2901-1B - Auxiliary Contact Block (2NO)

Siemens
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Siemens 3RV2901-1B is a motor control auxiliary contact block designed for expanding the functionality of SIRIUS 3RV motor protection circuit breakers by providing additional normally open (NO) signaling or control circuits. It features a compact, modular design for straightforward side-mounting onto compatible breakers, constructed from durable materials for reliable operation in industrial control panels. This component is engineered to meet relevant international standards for safety and performance in electrical installations. Its typical applications include adding auxiliary contacts for remote indication, interlocking, or control logic within motor starter assemblies and distribution systems.

Key Features & Specifications
  • Type: Auxiliary contact block for SIRIUS 3RV motor protection circuit breakers
  • Configuration: 2NO (Two Normally Open contacts)
  • Voltage Rating: Compatible with control circuit voltages up to 690V AC
  • Current Rating: Typically 6A for auxiliary contacts
  • Mounting: Side-mounted, modular design
  • Standards: Complies with IEC/EN 60947-1, -2, -4, -5-1
  • Applications: Industrial motor control, signaling, and interlocking circuits
  • Weight: 0.1 lb


Product Identification
  • UPC: 782114016077
  • GTIN: 00782114016077