The TSA 45P is a thermal overload relay manufactured by BBC (Brown Boveri Company), designed to protect electric motors from overheating due to excessive current. It's a classic component used in industrial automation systems, especially in motor control panels.

 Key Specifications

• Model: TSA 45P
• Manufacturer: BBC (Brown Boveri Company)
• Current Range: Typically rated for 27–45A or 25–35A, depending on the variant
• Voltage Ratings:
  • 220V: 1.7–1.8A
  • 380V: 1.3A
  • 500V: 1.0A
• Standard Compliance:
  • VDE 0660
  • JEC 292-1
• Type: Typ 1 JGR C/660
• Weight: ~240–250 grams
• Made in: West Germany

 Applications

• Motor protection in industrial automation
• Control panels for pumps, compressors, and conveyors
• Systems requiring reliable thermal overload protection