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The product is an item that has never been used and has been sourced from an excess supplier.

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 New Fast Delivery

The product is an item that has never been used and was obtained through a surplus supplier.

  • Never used in a production environment, but it may have been powered on for testing
  • No visible signs of handling, use, or damage
  • Includes the original packaging, if applicable
  • May or may not have the original manufacturer's seal on the box. The original manufacturer's warranty may not be applicable.
  • Includes all hardware and accessories present in the factory new version of the product
  • May or may not include the instructions present in the factory new version of the product
  • The product may have older date or serial codes compared to those available directly from the manufacturer or authorized retailers
  • Products may vary by country of origin and by language used on the packaging
  • The product packaging may show signs of shelf wear
  • Faster shipping
Request information for 3RB3123-4QB0 SIEMENS

PRODUCT DESCRIPTION

SIEMENS 3RB3123-4QB0 - Electronic Overload Relay

This device is an electronic overload relay from the SIEMENS SIRIUS 3RB3 series, engineered for precise thermal protection of three-phase AC motors. It provides adjustable overload release classes and a wide current setting range, ensuring reliable motor protection against excessive current draw, phase failure, and phase unbalance. The unit integrates seamlessly with SIEMENS SIRIUS 3RT2 contactors of size S0 or can be utilized for stand-alone installation in industrial control panels.

Technical Specifications:

  • SERIES/FAMILY: SIRIUS 3RB3
  • COMPONENT TYPE: Electronic Overload Relay
  • ELECTRICAL SPECS:
    • MAIN CIRCUIT CURRENT RANGE: 10-40 A
    • AUXILIARY CIRCUIT VOLTAGE: 24-240V AC/DC
    • AUXILIARY CONTACTS: 1 Normally Open (NO) + 1 Normally Closed (NC)
    • OVERLOAD RELEASE CLASS: Adjustable CLASS 5E, 10E, 20E, 30E
    • PHASE: Three-phase
  • MECHANICAL/PHYSICAL:
    • FRAME SIZE: S0 (compatible with 3RT2 contactors S0)
    • TERMINAL TYPE: Screw terminals for main and auxiliary circuits
    • RESET FUNCTION: Manual/Automatic selectable
  • INTERFACE/CONTROL:
    • FEEDBACK: Auxiliary contacts for status indication and control circuit integration
  • ENVIRONMENTAL/MOUNTING:
    • IP RATING: IP20 (terminal area)
    • MOUNTING STYLE: Direct mounting to 3RT2 contactor (S0) or stand-alone installation on DIN rail
    • COOLING METHOD: Natural convection
  • COMPATIBILITY/APPLICATION:
    • TARGET SYSTEMS: Industrial motor control circuits, pump applications, fan drives, conveyor systems
    • COMPATIBLE CONTACTORS: SIEMENS SIRIUS 3RT2 contactors, size S0

1 year warranty

HS CODE

85364900

DELIVERY TIME

11 working days

Price excluding VAT

Return conditions

You can return the purchased product according to the Terms and Conditions

Warranty

Automantion Service Srl is NOT an official distributor of the manufacturer. The manufacturer's warranty does not apply. Terms and conditions

Do you need help or assistance with this item? Do you want to sell your stock?

web@bautomationservice.com  
+39 030/681340

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