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Pacific Scientific :: Permanent Magnet DC Motors
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What makes Pacific Scientific the most specified original equipment permanent magnet DC motors? Rugged, quality construction. Dependable operation. A well deserved reputation for value. Backed by a two-year warranty.

Choose from over 75 standard SCR and PWM rated, low voltage, wash down duty and explosion proof models from 1/8 to 3 HP. Stock models plus many standards are UL Recognized or Listed. Most stock models are also CSA Certified.

Pacific Scientific's PMDC motors can also be custom designed for your application. We've built thousands of custom designs and can build what you need even for modest volume requirements.

Typical modifications include:

  • Application-specific speed/torque characterstics
  • Intermittent duty designs to maintain horsepower and reduce envelope size
  • Special driveshaft dimensions and details
  • Special rear shaft extension details
  • Leadwires and connectors
  • Open drip-proof and open fan cooled enclosures
  • Paint color options

Features

Benefits
Patented anti-cog magnets standard
Smooth performance
Low speed capability
Class H insulation
Long life
High overload capacity
Two year warranty
High quality
Baked enamel paint
Hard, rugged, durable
Continuous Nomex insulation
Fewer shorts - longer life
Oversized ball bearings
Longer life
Sealed ball bearings - standard
Longer life
Constant force brush springs
Longer life
Large aluminum brush holders
Dissipate heat - longer life
"Stressproof" shaft steel - standard
Tough/stronger for high loads
Integral wiring compartment on TENV
Smaller package - easier hookups
All armatures balanced
Smoother operation
100% tested
Quality
Tach adaptable - standard
Flexible
UL Recognized
Safe

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Sample Model Number Code

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Selection Overview

HP

Voltage (DC)

SCR Rated - NEMA Standards
1/8-1
90
1/4-3
180
SCR Rated - Wash Down Duty
1/4-1
90
1/2-2
180
SCR Rated - Explosion Proof
1/4-3/4
90
1/4-3/4
180
SCR Rated - Metric Standards
1/4-2
(.19-1.5 KW)
180
PWM Rated - NEMA Standards
1/4-1
130
1/2-3
240
Low Voltage Rated - NEMA Standards
1/4-1/2
12
1/4-1
24

 

Selection Overview

HP

Voltage (DC)

SCR Rated - NEMA Standards
1/8-1
90
1/4-3
180
SCR Rated - Wash Down Duty
1/4-1
90
1/2-2
180
SCR Rated - Explosion Proof
1/4-3/4
90
1/4-3/4
180
SCR Rated - Metric Standards
1/4-2
(.19-1.5 KW)
180
PWM Rated - NEMA Standards
1/4-1
130
1/2-3
240
Low Voltage Rated - NEMA Standards
1/4-1/2
12
1/4-1
24

Modification Capabilities - Custom Motors

If the standard motors in this section do not meet the needs of your specific application, we'll design one that will. Our application engineers routinely make electrical and/or mechanical modifications to optimize motors for individual requirements.

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PMDC Technology Overview

Not sure if PMDC is the right technology for your application? This section reviews components and systems, discusses common applications and helps you determine your application criteria.

PMDC Motor Product Information

Pacific Scientific PMDC Motors provide high value and performance.   Numerous industries have depended on PacSci Permanent Magnet (PMDC) motors for over 25 years.

We have more than 50 standard models from 1/4 to 3 HP.  All are backed by our 2 year warranty.  This .pdf file provides complete information on our standard stock PMDC motors.