DC motor 42ZYTC85-1

direct currentbrushed24 V

Product overview
42ZYTC85-1 is a 42 mm brush DC motor with a rated voltage of 24 V, rated speed 3,150 RPM and rated torque 57 mN·m. It is suitable for integration into compact actuators and can be customized with planetary or low-noise gearboxes for linear and rotary drive applications.

Motor characteristics

• Motor part number: 42ZYTC85-1
• Rated voltage: 24 V
• Rated torque: 57 mN·m
• Rated speed: 3,150 RPM
• Rated current: 1.45 A
• No-load speed: 4,000 RPM
• No-load current: 0.3 A
• Rated power: 19 W
• Stall torque: 256 mN·m
• Stall current: 5.5 A
• Torque constant: 64.5 mNm/A
• Back-EMF constant: 6.7 V/Krpm
• Terminal resistance: 4.65 Ω
• Terminal inductance: 3 mH
• Rotor inertia: 110 g·cm²
• Starting torque: 20 mN·m
• Noise: <50 dB (measured at 1 m, ambient 20 dB)
• Life span: >2500 H
• Insulation resistance: 100 MΩ / 250 V
• Duty cycle: S1
• Motor weight: 0.43 kg

Dimensional drawing
Dimensional drawing and torque–speed (speed–torque) curves are available for integration and mounting verification for model 42ZYTC85-1.

Options

• Precision planetary gearbox — multiple stages and gear ratios available (examples: 1–4 stages, wide range of reduction ratios)
• Silent gearbox — low-noise planetary gearbox option for noise-sensitive applications

Technical specifications

• Model: 42ZYTC85-1
• Voltage: 24 V
• Rated torque: 57 mN·m
• Rated speed: 3,150 RPM
• Rated current: 1.45 A
• No-load: 4,000 RPM / 0.3 A
• Rated power: 19 W
• Stall torque/current: 256 mN·m / 5.5 A
• Torque constant: 64.5 mNm/A
• Back-EMF: 6.7 V/Krpm
• Resistance / Inductance: 4.65 Ω / 3 mH
• Rotor inertia: 110 g·cm²
• Noise: <50 dB (1 m)
• Life: >2500 H
• Insulation resistance: 100 MΩ / 250 V
• Duty: S1
• Weight: 0.43 kg