Pittman / AMETEK EC057C-1SH0-A01 Brushless DC Motor with Hall Feedback – New Surplus

• New surplus Pittman / AMETEK brushless DC motor
• Part number: EC057C-1SH0-A01
• Additional label marking: GN2311A139-R1
• Label date: 03/22/19
• EC057C series motor, 57mm / NEMA 23 frame family
• Marked Ke: 7.860 V/KRPM
• Manufacturer EC057C chart lists 90V max DC terminal voltage
• Motor has Hall sensor feedback / commutation wiring
• Motor shaft measures approx. 3.18 mm / 1/8"
• Shaft protrusion is approx. 7.5 mm from motor face
• Originally surplus from dental imaging / 360 X-ray equipment manufacturing
• Requires compatible brushless DC motor controller/drive

Wiring / Test Notes

• Motor phase wires: orange, red, brown
• Motor windings checked at approximately 6.4 ohms phase-to-phase
• Internal Hall sensor feedback board marked 273-121-001 Rev G1
• Hall sensor board has sensors marked S1, S2, and S3
• Hall feedback wiring identified/tested as:
  • Violet = +5V Hall supply
  • Black = Hall ground
  • Gray / Blue / White = Hall outputs
• Hall outputs showed response during manual shaft rotation
• Full controller operation, loaded operation, and exact controller compatibility were not tested

Condition Notes

• New surplus condition
• Gearhead/pinion has been removed for bare motor use
• Some units may have light handling/storage marks from surplus inventory
• Please review photos carefully for exact configuration

Included

• Pittman / AMETEK EC057C-1SH0-A01 BLDC motor only, as shown

Not Included

• No gearhead, pinion gear, controller, drive, cable harness, power supply, manual, mounting hardware, or additional accessories unless shown

Seller Note

• Buyer should verify wiring, controller compatibility, and suitability for their application before purchase
• 30-day returns accepted