PWM3640-5396-7 Pacific Scientific
Wake Industrial LLC is not an authorized distributor of this product.
The Pacific Scientific PWM3640-5396-7 is a brushed treadmill motor from the PWM Brushed Treadmill Motors series with a continuous duty rating and an open enclosure type. It has a rated speed of 3200 RPM, produces 2.5 horsepower, and operates at 130 VDC with a rated current of 16.6 amps and a power output of 2238 watts.
Internal Product Review
The PWM3640-5396-7 is a Pacific Scientific brushed treadmill motor with a continuous duty rating and 2.5 HP output. The PM field design and 130 VDC rating support steady torque delivery and dependable speed control in treadmill drive service. An open enclosure and 3200 RPM rated speed make the motor a strong choice for responsive, efficient motion performance.
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Product Description:
The PWM3640-5396-7 is a brushed DC motor built by Pacific Scientific for the PWM Brushed Treadmill Motors series. Serving as the drive element in treadmill decks, light conveyors, and indexing tables, it translates pulse-width-modulated armature voltage into controlled rotary motion for applications where compact size and electronic speed control are priorities. The vented frame requires a steady supply of clean air when the motor is installed inside an enclosure or beneath a treadmill deck. Adequate clearance around the ventilation openings helps prevent dust accumulation and allows heat to escape during extended operation.
The motor is rated for 2.5 HP, providing mechanical output for mid-capacity belts without requiring an oversized drive amplifier. Its armature accepts 130 VDC, which is compatible with many DC drives used in exercise and light manufacturing equipment. At the nominal voltage, the armature draws 16.6 A, a current level that must be considered when selecting cables, connectors, and circuit protection. The winding is rated for continuous duty, allowing prolonged operation when the motor receives sufficient ventilation and remains within its permitted load range. The open housing allows ambient air to remove heat directly from the internal components instead of relying on an integrated blower. A green ground lead bonds the motor frame to protective earth and provides a low-resistance path for fault current. This lead should be connected before the motor is energized to reduce the risk of an exposed conductive surface remaining live during an electrical fault.
A permanent-magnet field (PM) eliminates the need for external field excitation and supports a fast response to armature voltage changes. Under rated operating conditions, the shaft turns at 3200 rpm, making the motor suitable for direct coupling to high-speed belts or operation with reduction pulleys. The controller form factor is 1.0, representing an RMS-to-average current ratio associated with smooth DC and minimal current ripple. Maintaining the intended current waveform helps limit additional armature heating while supporting stable torque throughout the motor’s operating range.
