103H7851-80H3 by Sanyo Denki

The Sanyo Denki 103H7851-80H3, part of the StepSyn Stepping Motors series, represents a compact, high-performance solution for precise motion control in industrial automation. This panel mount design features an Operating Voltage of 24 VDC and a Current Rating of 2 A to ensure consistent drive capability. Weighing just 250 g, the motor’s lightweight construction facilitates integration into space-constrained assemblies. Its enclosure is built from Stainless Steel / High-grade Plastic, delivering a balance of ruggedness and corrosion resistance. The unit’s overall footprint measures 50 x 30 x 20 mm, allowing seamless installation in control panels and compact drive modules.

Performance is optimized through a rapid Response Time of 5 ms that supports high-speed stepping and dynamic positioning. The motor’s Step Angle of 1.8° and Holding Torque of 50 Nm provide precise incremental motion and strong load retention. A Rotor Inertia of 0.40×10^-4 kg·m² enhances acceleration and deceleration control, while the 2-phase configuration ensures uniform stepping under varying loads. Electrical connections are secured via robust Screw Terminal interfaces and the motor offers an Isolation Voltage of 1500 V for enhanced safety. Its Ingress Protection IP67 rating guarantees complete protection against dust ingress and temporary immersion, maintaining performance in harsh environments.

Designed for reliability in industrial environments, the 103H7851-80H3 operates across an Operating Temperature range of –40°C to 85°C, ensuring stable functionality under extreme thermal conditions. The Panel Mount architecture simplifies mechanical integration with minimal additional hardware, reducing assembly time and cost. Enhanced insulation and durable materials protect against environmental stresses, while the compact Dimensions and low Weight support modular machine designs. Ideal for applications in factory automation, robotic end effector drives, packaging machinery, and precision positioning systems, this stepping motor delivers consistent, maintenance-free operation in demanding industrial automation scenarios.