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Siemens 3RT29345NP31 - Surge Suppressor 250VAC/DC

Siemens
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The Siemens 3RT29345NP31 is a surge suppressor module designed to protect contactor coils and other sensitive control circuit components from voltage transients and switching surges. It is rated for a maximum control voltage of 250 V AC/DC and handles a peak pulse current of up to 6500 A, with a maximum clamp voltage of 775 V and a breakdown voltage range of 360 V to 440 V. This compact module weighs 0.54 lb and features a robust construction with a polarity-dependent design, suitable for direct mounting onto Siemens 3RT2 contactors. It complies with international standards for surge protection and is commonly used in industrial motor control centers, panel boards, and automation systems to enhance equipment reliability and lifespan.

Key Features & Specifications
  • Type: Surge suppressor module for contactor coil protection
  • Voltage Rating: 250 V AC/DC (maximum control voltage)
  • Current Rating: Not specified (surge protection device)
  • Dimensions: Not specified
  • Standards: Not specified
  • Applications: Industrial motor control, panel boards, automation systems
  • Switch Type: Not applicable
  • Configuration: Polarity-dependent
  • Coil Voltage Maximum: 250 V AC/DC
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: Not applicable
  • Voltage: 250 V AC/DC (maximum)
  • Amperage: Not applicable
  • AIC rating: Not applicable
  • Connection: Direct mount on contactor
  • Poles: Not applicable
  • Protection: Surge and transient voltage protection
  • Functions: Clamping voltage transients
  • Frame Size: Not specified
  • Trip Type: Not applicable
  • Panel Type: Not applicable
  • Breaker Type: Not applicable
  • Control Voltage Minimum: Not specified
  • Control Voltage Maximum: 250 V AC/DC
  • MCM Size: Not applicable
  • Metal Type: Not specified
  • Panel Style: Not applicable
  • Bus Type: Not applicable
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not specified
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Direct mount on contactor
  • Hz: Not specified
  • Coil Material: Not specified
  • Horse Power: Not applicable
  • Aux Contacts: Not applicable
  • CPT: Not applicable
  • Full Load Amps: Not applicable
  • Dist Voltage: Not applicable
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: Not applicable
  • Full Load Amp Minimum: Not applicable
  • Enclosure: Not applicable
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not specified
  • Wire: Not applicable
  • Amperage Maximum: Not applicable
  • Amperage Minimum: Not applicable
  • Nema Rating: Not specified
  • Switch Style: Not applicable
  • Wire Size: Not applicable
  • Certification: Not specified
  • Circuit Breaker Mounting Style: Not applicable
  • Terminal Connection: Not specified
  • Frequency Rating: Not specified
  • Phase Connection: Not applicable
  • Standards: Not specified
  • Compatible Frames: Siemens 3RT2 contactors
  • Installation Type: Direct mount
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not applicable
  • Current Rating: Not applicable
  • Reverse Standoff Voltage: Not specified
  • Watts: Not specified
  • Peak Pulse Current: 6500 A
  • Breakdown Voltage (MIN VBR@IT) (V): 360 V
  • Breakdown Voltage (VBR@IT) (V): 440 V
  • Polarity: Polarity-dependent
  • Operating Temperature Maximum Celsius: Not specified
  • Max Clamp Voltage: 775 V
  • On-State Current: Not applicable


Product Identification
  • UPC: 88762191927
  • GTIN: 00887621919276