• The ElectroCraft TPE series (TorquePower™ Enhanced) is a high-performance hybrid stepper motor, featuring high torque density, smooth low-speed operation, and high-speed capability. It covers three frame sizes: NEMA 11/17/23, and is suitable for applications such as precision positioning, automated conveying, 3D printing, and medical equipment.

I. Core Positioning and Advantages

TPE Series Positioning: ElectroCraft's next-generation high-performance hybrid stepper motor, offering higher torque, more stable low-speed operation, and stronger high-speed capability within the same NEMA size.

Key Advantages
High Torque Density: Significantly improved torque within the same volume, reaching up to 208 Ncm (294 oz-in) on NEMA 23.

Smooth Low-Speed ​​Operation: Optimized magnetic circuit design results in lower vibration and noise at low speeds.

High-speed capability: NEMA 11 up to 100 RPS (6000 rpm), NEMA 17 up to 80 RPS (4800 rpm), NEMA 23 up to 50 RPS (3000 rpm) ElectroCraft.

Flexible configuration: Supports bipolar/unipolar windings, multiple shaft types, and optional encoders to adapt to different drive and feedback requirements.

Industrial-grade reliability: Standard structure, suitable for industrial automation environments.

II. Full Series Specifications (NEMA 11/17/23)

1. TPE11M (NEMA 11)
Step Angle: 1.8°
Holding Torque (Bipolar): 8 / 11 / 16 Ncm (11.3 / 15.6 / 22.7 oz-in)
Phase Current: 1.0–1.5 A/phase
Length: 32 / 40 / 50 mm
Maximum Speed: 100 RPS (6000 rpm)
Applications: Small precision mechanisms, medical instruments, optical positioning

2. TPE17 (NEMA 17)
Step Angle: 1.8°
Holding Torque (Bipolar): Up to 55 Ncm (78 oz-in)
Phase Current: 1.0 / 1.5 / 2.0 A/phase
Length: Approx. 41–60 mm mm
Maximum speed: 80 RPS (4800 rpm)

ElectroCraft Applications: 3D printing, small conveyors, desktop automation, labeling machines

3. TPE23 (NEMA 23) Step angle: 1.8°
Holding torque (bipolar): Up to 208 Ncm (294 oz-in, ≈2.1 Nm)
Phase current: Up to 3.0 A / phase
Length: 44.5–78.5 mm
Maximum speed: 50 RPS (3000 rpm) 
Shaft diameter: 8 mm

Applications: Medium-duty conveyors, packaging machinery, CNC equipment, automated workbenches III. Selection and matching points Select size according to torque Light load precision positioning: Select TPE11M Medium load general scenario: Select TPE17 Heavy load / large inertia: Select TPE23 Winding and drive Bipolar (4 wires): Greater torque, higher efficiency, compatible with mainstream stepper drivers Unipolar (6 wires) Wiring: Simple wiring, compatible with older unipolar drives.
Feedback Optional: An encoder can be installed to achieve closed-loop control, improving positioning accuracy and anti-step loss capability.
Drive Matching: Recommended to use ElectroCraft Universal/PRO series drivers, or third-party high-performance stepper drivers (such as 2DM415. 2DM556 &  2DM860H).

IV. Typical Model Examples
TPE11M-16A: NEMA 11, bipolar, 16 Ncm, 1.5A/phase ElectroCraft
TPE17M-55A20: NEMA 17, bipolar, 55 Ncm, 2.0A/phase ElectroCraft
TPE23-294A30: NEMA 23, bipolar, 208 Ncm, 3.0A/phase ElectroCraft