17bit Closed Loop Stepper With Brake - 20 N·m NEMA 42

17bit Closed Loop Stepper With Brake on a NEMA 42 Frame

The 110J12190EC-17BC-SC is a 17bit Closed Loop Stepper With Brake that produces 20 N·m holding torque from a 190 mm body at 6.8 A per phase on a 19 mm shaft. It combines the torque of the non-brake variant with load-holding capability for safety-critical axes.

Why a Brake on a closed loop Stepper

closed loop feedback prevents lost steps during motion, but it cannot hold a de-energized load. The integrated brake covers that case: when power is cut, the brake engages and the axis stays put. This matters for vertical spindles, gantries, and any axis subject to gravity when idle.

17-bit Feedback Resolution

The integrated 17-bit encoder gives fine position resolution, which translates to smoother low-speed rotation and more consistent final positioning. The drive compares actual and commanded position continuously, so transient overloads are corrected rather than accumulated as error.

Specifications

• Motor type: 3-phase hybrid stepper, closed loop, with brake
• Frame size: NEMA 42
• Body length: 190 mm
• Phase current: 6.8 A
• Holding torque: 20 N·m
• Shaft diameter: 19 mm
• Feedback: integrated 17-bit encoder

Applications

CNC machine tools, packaging machinery, and precision robotic mechanisms where a vertical or gravity-loaded axis must hold position without continuous power. Factory automation cells use it to eliminate separate pneumatic or mechanical locking devices. Heavy-load CNC axis feeds and rotary table indexing benefit from the fail-safe brake. Lyenwsin supplies this motor with matched drives and wiring support.

Safety Configuration

Connect the brake supply through the drive’s safety output so the brake releases only when the drive is ready. On vertical axes, verify the brake can hold the worst-case payload before power is removed, and include a manual release option for maintenance. The 190 mm body keeps the unit balanced for gantry mounting. Document the brake test procedure so maintenance crews can verify holding force during scheduled service.