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DC motors are designed for use with unfiltered SCR (Thyristor) type and PWM (pulse width modulated) type DC adjustable speed drives, and on across-the-line DC controls. These general purpose, permanent magnet DC motors, up to 2HP, are available in a variety of operating voltages.
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DC Motors
Category Selection
IronHorse Permanent Magnet DC (PMDC) Electric Motors
Checkout our competitive prices on DC motors!
IronHorse motors are manufactured by leading motor suppliers delivering high-quality motors to the demanding U.S. market. Our suppliers test the motors during production and after final assembly. This is how we can stand behind our IronHorse motors with a two-year warranty (motors 1/3 HP and above); or one-year warranty (motors 1/4 HP and less).
IronHorse DC motors are designed for use on unfiltered SCR (Thyristor) type and PWM (pulse width modulated) type DC adjustable speed drives, and on across-the-line DC controls.
Applications
- Conveyors
- Turntables
- Where adjustable speed and constant torque are required
- When dynamic braking and reversing capabilities are needed
For part listings and specifications, go to Shop Now
DC Armature Motors
(1/3hp and above)
- 56C / 90 VDC armature models in sizes from 1/3hp to 1-1/2hp
- 56C / 180 VDC armature models in sizes from 1/3hp to 2hp
- Input power of 115 or 230 volts rectified AC can be used with an appropriate SCR drive
- Linear speed/torque characteristics over entire speed range
- High starting torque for heavy load applications
- Capable of dynamic braking for faster stops
- Available in TENV or TEFC housings, depending on model
- NEMA 56C flange mount
- Rolled steel shell frame / cast aluminum end bell
- Removable feet
- STABLE motor slide base available for adjustable mounting
- Large replaceable brushes for longer brush life
- Easy access to DC motor brushes (shipped with set of spare brushes)
- Large easy-to-wire junction box with rubber gasket
- Heavy duty oversized ball bearings
- High tensile strength steel shaft
- Electrically reversible
- Two year warranty
Small Motors / 12-180 VDC
(1/4hp and under)
- Sizes to 1/4hp
- Available models accommodate:
12VDC, 24VDC, 90VDC (can be used with 110VAC powered DC drives), and 180VDC (can be used with 230VAC powered DC drives) - Rated for SCR drives
- TENV enclosure
- IP40 environmental rating
- High energy ceramic magnets
- Double shielded ball bearings
- Dynamically balanced armature
- Reversible design
- 18-inch leads, or junction boxes with 8-inch leads
- Externally replaceable brushes
- Can be mounted in any orientation
- Not intended for DC power generation
DC Motor Accessories
- All IronHorse permanent magnet DC motors are shipped with brushes installed. An extra set of PMDC motor brushes is also included in the box. 56C DC motors (0.33HP and above) also ship with an extra set of brushes. Replacement brushes are available.
- Mounting slide bases for 56C permanent magnet DC electric motors allow adjustment of motor mounting position.
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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