Electronically commutated motor CW42BLB70-78L240-00

DCthree-phaseBLDC

Product Overview
The CW42BLB70-78L240-00 is a 42mm (NEMA 17) 3-phase brushless DC motor designed for industrial automation, robotics and precision motion control applications. Rated at 78 W, 24 VDC ±10%, 4000 RPM (rated) and 0.188 Nm rated torque at 4000 RPM, it provides a compact solution for medium-power positioning and actuation tasks.

Key Highlights

• 78 W rated power
• 24 VDC ±10% supply voltage
• 0.188 Nm rated torque at 4000 RPM
• 42mm (NEMA 17) frame size
• 3-phase brushless DC design for smooth operation

Quick Specs
Rated Power — 78 W
Rated Voltage — 24 VDC ±10%
Rated Speed — 4000 RPM
Rated Torque — 0.188 Nm
Rated Current — 4.3 A
Frame Size — 42mm (NEMA 17)

Electrical Specifications
Poles — 8 Poles
Phases — 3
Rated Voltage — 24 VDC ±10%
Rated Power — 78 W
Rated Speed — 4000 RPM
Rated Torque — 0.188 Nm
Rated Current — 4.3 A
Max Speed — 4800 RPM
Max Torque — 0.56 Nm
Voltage Constant — 3.5 Vrms/kRPM
Line Resistance — 0.46 ±5% Ω (20°C)
Line Inductance — 0.26 ±10% mH
Insulation Resistance — 100MΩ @ 500V
Insulation Class — B 130°C
Operating Temperature — -20 ~ +50 °C
Control Method — Control Voltage 5~24 VDC
Frame Size — 42mm (NEMA 17)
Part Number — CW42BLB70-78L240-00

Mechanical & Performance Graphics
Mechanical drawing and torque-speed curve are provided for this part to aid integration and selection.

Technical Specifications

• Part Number: CW42BLB70-78L240-00
• Model / Denomination: 42mm (NEMA 17) brushless DC motor
• Rated Power: 78 W
• Rated Voltage: 24 VDC ±10%
• Rated Speed: 4000 RPM
• Rated Torque: 0.188 Nm
• Rated Current: 4.3 A
• Max Speed: 4800 RPM
• Max Torque: 0.56 Nm
• Voltage Constant: 3.5 Vrms/kRPM
• Line Resistance: 0.46 ±5% Ω (20°C)
• Line Inductance: 0.26 ±10% mH
• Insulation Resistance: 100MΩ @ 500V
• Insulation Class: B 130°C
• Operating Temperature: -20 ~ +50 °C
• Control Method: Control Voltage 5~24 VDC
• Poles: 8
• Phases: 3
• Frame Size: 42mm (NEMA 17)