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Siemens 48BT-H3S00 - Overload Relay 50-200A (3-Phase)

Siemens
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Siemens 48BT-H3S00 is a solid state overload relay engineered for motor protection in 3-phase motor control applications. It features an electronic trip unit with selectable trip classes of 5, 10, 20, and 30, and operates within a current range of 50 to 200 amps. The device supports direct DIN rail mounting, includes main circuit windows and auxiliary circuits with screw terminals, and offers both manual and automatic reset options. It is certified to cUL and CSA standards, ensuring reliable overload protection for single and polyphase motors. This relay is suitable for use with size B frames in industrial motor control environments.

Key Features & Specifications
  • Manufacturer: Siemens
  • Item Subcategory: Overload Relay
  • Weight: 0.85 lb
  • Current Range: 50 to 200 Amps
  • Phase: 3-Phase
  • Mounting Type: DIN Rail
  • Frame Size: B
  • Trip Type: Electronic
  • Selectable Trip Class: 5, 10, 20, 30
  • Reset Type: Manual and Automatic
  • Contact Configuration: NO/NC
  • Contact Rating: B600/R300
  • Operating Temperature: -25 to 60 °C
  • Certifications: cUL, CSA