About This

• COMPLETE ELECTROMAGNETIC EXPERIMENT SET: Includes a sturdy base, closed iron ring (φ180mm), pole pieces, large armature coil (140×70mm), and a φ22×30mm commutator. Red and blue markings on the ring and poles make magnetic polarity identification simple and visual—perfect for classroom demonstrations and lab use.
• DUAL-VOLTAGE DC MOTOR OPERATION: Hands-on learning with series excitation (4V–16V) and stator/rotor excitation (10V–6V) configurations. Adjust voltage to control motor speed and observe how different wiring setups affect performance—an excellent practical introduction to electric motor principles.
• PREMIUM COPPER WINDINGS & CLEAR POLARITY MARKING: Electromagnet coils are precision-wound with high-strength enameled copper wire for reliable magnetic force. The rectangular armature coil features red and blue tape at both ends, making current direction easy to track for students and beginners.
• PRECISION COMMUTATOR & SMOOTH ROTATION: Equipped with a dual-copper-ring commutator (φ22×30mm) that clearly demonstrates current reversal in a DC setup. All components are mounted on a robust φ8mm steel shaft (length ~150mm) for stable, low-friction operation and consistent experiment results.
• INTERACTIVE ASSEMBLY & STEM GIFT IDEA: Comes complete with base, hoop, electromagnet, pole pieces, armature, commutator, shaft, brushes, and rocker handle. Designed for building, testing, and exploring electromagnetism firsthand—ideal for budding scientists, engineering students, and future innovators.