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TA25DU6.5 | ABB

ABB | TA25DU6.5 | Thermal overload relay for contactors A/AE/AL9 - A/AE/AL4, type TA, Class 11, 4.5 - 6.5 A setting range

  • Réf. fabricant TA25DU6.5
  • PART #517867
Rating: IP20

The thermal overload relays are three pole relays with bimetal tripping elements. The motor current flows through the bimetal tripping elements and heats them directly and indirectly. In case of an overload (over current), the bimetal elements bent as a result of the heating. This leads to a release of the relay and a change of the contacts switching position (95-96 / 97-98).

  • Free tripping: the resetting button, even if held in, does not prevent tripping of the thermal overload relay in the event of a fault.
  • Temperature compensation
  • Phase failure protection according to IEC 947-4-1: Within the limits of the setting range, a reduced tripping time, and thus improved motor protection, is obrtained in case of a phase failure.
  • Tripping class: 10A, for TA relays

TA thermal overload relays are used with A Line contactors for the protection of motors having a nominal voltage of up to 600V AC max per L/CSA (690V AC and 800V DC per IEC).

  • Available for starter construction with A Line contactors and separate panel mounting
  • Designed for close couple mounting
  • Separate base mounting available for all overload relays
  • Class 10 adjustable overload relays are standard with all ABB Line startes
  • Reset can also be adjusted to function as a stop button
  • Screwdriver guide holes
  • All terminal screws are available from the front
  • UL File No: E48139
  • CSA File No: LR98336
  • Trip indication
  • Remote trip and reset option available
  • Single phase and phaalance protection
  • Isolated alarm circuit (N.O.) contact
  • Ambient compensation: -25C to +55C (-13F to +131F)
  • Manual test
  • Manual or automatic reset
  • Factory calibrated and tested
  • Wide adjustment range
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