Catalog > 1PCS Siemens thermal relay 3US5040-1J 3U...

Verified: January 13, 2026

1PCS Siemens thermal relay 3US5040-1J 3US5 040-1J 6.3-10A New

~$30.00

The Siemens 3US5040-1J thermal relay is designed to protect electric motors from overloads by monitoring the motor's current.

Key Specifications

  • Compatibility: Electric motors
  • Current Range: 6.3-10A
  • Type: Thermal Relay
  • Mounting: DIN rail mount
  • Voltage: Not applicable
  • Features: Adjustable trip class settings
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