Hybrid actuator 57

linearstepperlead screw

Product overview
57-Series Size 23 (45 mm body) hybrid stepper linear actuator with 1.8° step angle. Available in external, non-captive and captive motor configurations.

Motor types

• External: 57E2045
• Non-captive: 57N2045
• Captive: 57C2045

Wiring
Bipolar

Electrical & mechanical parameters

• Step angle: 1.8°
• Rated voltage: 3.25VDC | 5VDC | 12VDC
• Rated current: 2.0A | 1.3A | 0.55A
• Resistance/phase: 1.6Ω | 3.8Ω | 22Ω
• Inductance/phase: 3.5mH | 15.5mH | 58mH
• Power input: 13 W (all variants)
• Rotor inertia: 166 g·cm²
• Temperature rise: 75℃
• Insulation class: B (F optional)
• Weight: 511 g
• Insulation resistance: 50 MΩ

Common lead screws and leads (examples for φ9.525 mm screw diameter)

• Φ9.525 | Lead 0.635 mm | Code AA | Step length 0.003175 mm
• Φ9.525 | Lead 1.27 mm | Code D0 | Step length 0.00635 mm
• Φ9.525 | Lead 1.5875 mm | Code F0 | Step length 0.0079375 mm
• Φ9.525 | Lead 2.1167 mm | Code F0 | Step length 0.0079375 mm
• Φ9.525 | Lead 2.54 mm | Code K0 | Step length 0.0127 mm
• Φ9.525 | Lead 3.175 mm | Code L0 | Step length 0.015875 mm
• Φ9.525 | Lead 4.2333 mm | Code P0 | Step length 0.021167 mm
• Φ9.525 | Lead 5.08 mm | Code R0 | Step length 0.0254 mm
• Φ9.525 | Lead 6.35 mm | Code S0 | Step length 0.03175 mm
• Φ9.525 | Lead 9.525 mm | Code V0 | Step length 0.047625 mm
• Φ9.525 | Lead 9.7536 mm | Code W0 | Step length 0.048768 mm
• Φ9.525 | Lead 10.16 mm | Code X0 | Step length 0.0508 mm
• Φ9.525 | Lead 12.7 mm | Code Y0 | Step length 0.0635 mm
• Φ9.525 | Lead 25.4 mm | Code Z0 | Step length 0.127 mm
• Φ10 | Lead 2 mm | Code G0 | Step length 0.01 mm

Motor outline / stroke dimensions

• Stroke 12.7 mm | Dimension A 25.7 mm | Dimension B 0.6 mm
• Stroke 19.1 mm | Dimension A 32.1 mm | Dimension B 7.9 mm
• Stroke 25.4 mm | Dimension A 38.4 mm | Dimension B 14.2 mm
• Stroke 31.8 mm | Dimension A 44.8 mm | Dimension B 20.6 mm
• Stroke 38.1 mm | Dimension A 51.1 mm | Dimension B 26.9 mm
• Stroke 50.8 mm | Dimension A 63.8 mm | Dimension B 39.6 mm
• Stroke 63.5 mm | Dimension A 76.5 mm | Dimension B 52.3 mm

Performance curves & notes
Linear velocity vs. force curve provided for Series 57 (45 mm body, bipolar) with φ9.525 mm lead screw. Test conditions: constant-current chopper drive, no acceleration, 2 microsteps, drive voltage 40 V.

Technical specifications

• Product family: 57 Series (Size 23, 45 mm body)
• Step angle: 1.8°
• Motor types: External (57E2045), Non-Captive (57N2045), Captive (57C2045)
• Wiring: Bipolar
• Rated voltage options: 3.25VDC, 5VDC, 12VDC
• Rated current options: 2.0A, 1.3A, 0.55A
• Resistance/phase: 1.6Ω / 3.8Ω / 22Ω
• Inductance/phase: 3.5mH / 15.5mH / 58mH
• Power input: 13 W
• Rotor inertia: 166 g·cm²
• Temperature rise: 75℃
• Insulation class: B (F optional)
• Weight: 511 g
• Insulation resistance: 50 MΩ
• Available lead screw diameters and lead codes (examples for φ9.525 mm and Φ10 mm)
• Multiple stroke options with corresponding outline dimensions as listed above