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Grey rectangular industrial enclosure with start/stop push buttons on the front face

Eaton

Eaton ECX09C1TBA-R63/B motor starter 24V AC 9A 3-pole 1-5A overload

SKU CH-2PSY-N4JZM

IEC magnetic motor starter with 9 A rating, 24 V AC coil, 1.0 to 5.0 A overload range and integral start/stop push buttons

  • TypeNon-Reversing
  • 9 A three-pole contactor handles motor loads up to 9 A
  • 24 V AC coil voltage suits common control circuits
  • 0–5.0 A adjustable overload protects against overcurrent
  • NEMA 1 enclosure with start/stop push buttons for local operation
  • 50/60 Hz rating works on both standard power frequencies

Industrial motor starter for 24 V AC control

This Eaton ECX09C1TBA-R63/B is a non-reversing IEC magnetic motor starter rated at 9 A AC with a 24 V AC coil. It suits installers wiring single- or three-phase loads up to 3 hp at 480 V or 575 V who need integrated overload protection adjustable from 1.0 to 5.0 A and a built-in start/stop push-button station. The NEMA 1 enclosure fits indoor panels where basic dust and contact protection is required.

Thermal performance and power consumption

The overload relay trips on sustained currents above the 1.0 to 5.0 A dial setting, protecting connected motors from overheating without external sensors. Coil draw at 24 V AC 50/60 Hz is low, so control-transformer loading stays minimal in typical panels. No fan is fitted; heat dissipates naturally through the metal enclosure during normal duty cycles.

Build quality and wiring practicalities

The unit measures 14.9 in wide, 8.5 in high and 10.1 in deep, providing generous wiring space for 3-pole power conductors and the 1 NO auxiliary contact. Start/stop push buttons are factory-mounted on the cover, eliminating separate operator stations. Four mounting holes accept standard panel hardware, and the NEMA 1 rating means the starter must remain in a dry, non-hazardous indoor location.

Highlights

  • 9 A three-pole contactor handles motor loads up to 9 A
  • 24 V AC coil voltage suits common control circuits
  • 0–5.0 A adjustable overload protects against overcurrent
  • NEMA 1 enclosure with start/stop push buttons for local operation
  • 50/60 Hz rating works on both standard power frequencies

Specifications

BrandEaton
TypeNon-Reversing

Questions about this item

How is the Eaton ECX09C1TBA-R63/B motor starter mounted and wired, and what step is often missed?

Mount the enclosure using its 8.5 in height, 14.9 in width and 10.1 in depth footprint, connect the 24V AC coil to a 50/60 Hz supply, wire the three 9.0 A power poles, and do not forget to set the overload relay between 1.0 and 5.0 A to match the motor full-load current.

What maintenance or replacement will the Eaton ECX09C1TBA-R63/B need over time?

The 1NO auxiliary contact and the start/stop push buttons are the wear items; inspect contact tips for pitting and replace the overload relay if it trips repeatedly at the correct 1.0–5.0 A setting.

What is the first limit reached when the Eaton ECX09C1TBA-R63/B runs continuously at full load?

The 9.0 A continuous current rating of the three main poles is the limiting factor; exceeding it will cause the built-in overload relay to trip at its 1.0–5.0 A setting.

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