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Siemens 3UB8133-4FW2 - Electronic Overload Relay 5.5-22A (Solid State)

Siemens
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Siemens 3UB8133-4FW2 is an electronic overload relay from the ESP200 family, designed for motor protection in industrial control applications. It provides solid-state protection against phase failure, overload, and unbalanced load conditions, with an amperage range from 5.5 A minimum to 22 A maximum. The relay measures 3.543 x 4.213 x 3.15 inches, weighs 1 lb, and features a compact 3UB8 type construction for direct mounting to Siemens contactors or DIN rail. It is IEC and UL recognized for motor protection, ensuring compliance with industry standards. Typical applications include IEC motor control panels and automation systems where reliable motor protection is required.

Key Features & Specifications
  • Manufacturer: Siemens
  • Family: ESP200
  • Type: 3UB8
  • Relay Style: Solid State
  • Amperage Minimum: 5.5 A
  • Amperage Maximum: 22 A
  • Dimensions: 3.543 x 4.213 x 3.15 in
  • Weight: 1 lb
  • Protection Functions: Phase failure, unbalance, and overload
  • Mounting: Direct mount to Siemens contactor or DIN rail
  • Certifications: IEC and UL recognized for motor protection
  • Application: IEC motor control panels and automation systems


Product Identification
  • UPC: 66264331572
  • GTIN: 00662643315721