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Siemens 3UB8123-4CW2 - Solid State Overload Relay 3-12A 600VAC

Siemens
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Siemens 3UB8123-4CW2 is a solid state overload relay from the ESP200 family, designed to provide precise motor protection for three-phase circuits in industrial environments. This electronic relay operates with an adjustable trip setting across a 3 to 12 A range and supports a maximum voltage of 600 VAC, ensuring reliable performance under varying load conditions. The unit weighs 1 lb and features a compact frame size A1 with dimensions of 4.22 inches in length, 3.47 inches in width, and 3.15 inches in height, allowing for direct or stand-alone mounting. It complies with industry standards for motor protection and operates effectively within an ambient temperature range of -25 to 60°C or -25 to 65°C. Typical applications include safeguarding motors in manufacturing, processing, and heavy machinery systems.

Key Features & Specifications
  • Type: 3UB
  • Family: ESP200
  • Item Subcategory: Solid State Relay
  • Amperage Minimum: 3 A
  • Amperage Maximum: 12 A
  • Voltage: 600 VAC
  • Poles: 3
  • Mounting Type: Direct and stand-alone
  • Series/Frame: ESP200, Size A1
  • Trip Unit: Solid state, Class 5–30 (switchable)
  • Operating Temperature: -25 to 60°C, -25 to 65°C
  • Dimensions: 4.22 in L x 3.47 in W x 3.15 in H
  • Weight: 1 lb


Product Identification
  • UPC: 66264389720
  • GTIN: 00662643897203