NEMA17 KS42Sth34-1504A 34mm 1.5A Stepper Motor

Specifications

• Frame Size: NEMA 17 (42 mm x 42 mm)
• Motor Length: 34 mm
• Shaft Diameter: 5 mm (standard, may vary for custom models)
• Shaft Length: 20-24 mm (varies by model)
• Shaft Type: Single or dual shaft (straight with or without a flat section)
• Weight: Approx. 260 grams

Electrical Specifications

• Phase Current: 1.5 A/phase
• Rated Voltage: Varies based on driver resistance (typically 2-5 V)
• Phase Resistance: ~2.8 Ω
• Phase Inductance: ~3.8 mH
• Insulation Resistance: >100 MΩ at 500 VDC

Performance Characteristics

• Step Angle: 1.8° (200 steps per revolution)
• Step Accuracy: ±5% (full step, no load)
• Holding Torque: ~36 Ncm (51 oz.in) depending on driver and supply voltage
• Detent Torque: ~2 Ncm
• Maximum Temperature Rise: 80°C (above ambient)

Operational Parameters

• Operating Temperature: -20°C to +50°C
• Storage Temperature: -20°C to +70°C
• Humidity: 20%-90% (non-condensing)
• Dielectric Strength: 500 VAC for 1 minute

Wiring Specifications

• Lead Wires: 4 wires
• Lead Length: ~300-400 mm
• Wire Color Coding (typical):
  • A+: Red
  • A-: Blue
  • B+: Green
  • B-: Black
• Connector: Bare wire ends or optional connector (depends on manufacturer)

Applications

• 3D Printers
• CNC Machines
• Robotics
• Camera Pan-Tilt Systems
• Automated Equipment