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Siemens 3RB31234NB0 - Overload Relay 0.32-1.25A S0

Siemens
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Siemens 3RB31234NB0 is an electronic overload relay designed for motor protection within a current range of 0.32 to 1.25 A. This device operates with a coil voltage of 690 VAC and an interrupt rating of 100 kA, featuring electronic trip technology with manual and automatic reset options. The relay has a compact physical design with dimensions of 87 mm H x 45 mm W x 84 mm D, a weight of 0.489 lb, and uses screw terminal connections for main and auxiliary circuits. It complies with RoHS, WEEE, and REACH regulations, and is certified for lead content under CAS-No. 7439-92-1. This overload relay is suitable for industrial motor control systems requiring reliable protection and integration with S0 contactors.

Key Features & Specifications
  • Type: Electronic overload relay
  • Current Range: 0.32 to 1.25 A
  • Frame Size: S0
  • Number of Poles: 3
  • Coil Voltage: 690 VAC
  • Interrupt Rating: 100 kA
  • Trip Class: 5E/10E/20E/30E
  • Contact Form: 1NO/1NC
  • Reset Type: Manual/Automatic
  • Mounting Type: Contactor Mounting
  • Dimensions: 87 mm H x 45 mm W x 84 mm D
  • Weight: 0.489 lb
  • Country of Origin: Czechia
  • Certification: RoHS, WEEE, REACH


Product Identification
  • UPC: 662643903188