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DC gearmotors provide high torque at low speeds, and are designed for use on unfiltered SCR (Thyristor) rectified AC input. They may also be used with PWM (pulse width modulated) DC variable speed drives or across-the-line applications. DC gearmotors are available in a variety of operating voltages and output shaft configurations. Replacement brush kits are available.
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DC Gearmotors
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IronHorse® Permanent Magnet DC (PMDC) Electric Gearmotors
Industrial grade IronHorse DC gearmotors are manufactured in the U.S.A. by a leading motor supplier with over 65 years of experience delivering high-quality motors and gearmotors to the demanding U.S. market. Our supplier does 100% dynamic testing of the gearmotors before shipment.
IronHorse DC gearmotors are designed for use on unfiltered SCR (Thyristor) type rectified AC input. They may also be used with PWM (pulse width modulated) type DC adjustable speed drives, and in across-the-line applications.
- 12, 24, and 90 VDC
- From 1/19 to 1/5 hp
- Models with parallel or right-angle gear shafts
- Simple two-lead connection
Applications
- Conveyors
- Turntables
- Pick and place
- Indexers
- Small machinery
- Where reduced speed and/or increased torque are required
For part listing and specifications, to to Shop Now
Permanent Magnet DC Gearmotors
Motor Features
- TENV enclosure
- IP40 environmental rating
- SCR rated
- Externally replaceable brushes
- Double-shielded bearings
- Dynamically balanced armature
- Reversible design
- 18-inch leads, or junction box with 8-inch leads
- Can be mounted in any orientation
- Not intended for DC power generation
- Made in the USA
DC Gearmotor Accessories
- All IronHorse permanent magnet DC gearmotors are shipped with brushes installed. An extra set of brushes is also included in the box. Replacement brushes are sold as sets.
- DC motor spare parts kit for applicable DC motors and gearmotors includes brush cap cover, terminal box, and two sizes of shaft keys.
Form Factor
The voltage used to power a permanent magnet (PM) DC motor is not pure DC. It is derived by rectifying a supplied AC voltage. The resulting DC voltage has a ripple that is related to the frequency of the AC input.
Form factor is the ratio of Irms to Idc and indicates how close the driving voltage is to pure DC. The form factor for a DC battery is 1.0. The higher the form factor is above 1.0, the more it deviates from pure DC.
Form factor should not exceed 1.35 for continuous operation. Half wave rectification is not recommended as it drastically increases form factor.
Operating IronHorse PMDC motors with DC voltages with form factors higher than 1.35 can result in premature brush failure and excessive motor heating.
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