Leeson Electric Motors

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Leeson Electric Motors
DC Adjustable Speed Drives
90/180VDC & Low Voltage Controls 12/24 VDC & 36/48  VDC (bottom of page)

Leeson Electric Motors - DC Speed Controls
Leeson DC Adjustable Speed Drives

Leeson Speedmaster® DC controls are general purpose drives designed for use with permanent magnet type direct current motors.
NEMA 1 enclosed drives are suitable for most industrial applications, with the NEMA 4X enclosures best suited for washdown or outdoor
installations or for extremely dusty applications. Chassis only units are available for building into equipment, machinery or existing enclosures.
Most controls have a dual voltage switch allowing the control to be used on 115v or 230v, single phase, 50/60hz. However, the proper voltage
motor should be selected for use with the power supply input, i.e. 90V DC motors for 115volt input or 180V DC motors for 230volt input service.
Installation and adjustment instructions are included.

For NEMA Frame Motors and Gear Motors
SCR Controls • Enclosed • Single Phase 50/60hz.
90/180 Volts DC

Catalog #

  Description

 Output
AMPS		 WGT

Price
NEMA 1 General Purpose
174307 Non-Reversing
1/8hp to 1hp @115v
1/4hp to 2hp @230v		 10 5 lb. $195.79
174308 Reversing
1/8hp to 1hp @115v
1/4hp to 2hp @230v		 10 5 lb. $267.94
174316 Heat Sink required for
3/4hp & 1hp 115v
1.5hp & 2hp 230v		 - 1 lb. $ 43.78

NEMA 4X Washdown
  90/180 Volts DC   Dust Tight
174102 Non-Reversing
Plastic Enclosure
1/4hp to 1hp @115v
1/4hp TO 2hp @230v		 10 2 lb. $266.40
174107 Reversing
Plastic Enclosure
1/4hp to 1hp @115v
1/4hp to 2hp @230v		 10 2 lb. $361.75

NEMA 4 (90/180 Volts DC)
174709 Non-Reversing 3hp 15 8 lb. $450.84

SCR Controls • Open Chasis
90/180 Volts DC

Catalog #

  Description

 Output
AMPS		 WGT

Price
174311 Chassis with Speed-pot    
Non Reversing		 10 1 lb. $ 108.24
174314 Chassis Heat Sink
Required for 3/4hp & 1hp 115v
1.5hp & 2hp 230v		 - 1 lb. $ 32.23



Low Voltage Adjustable Speed Controllers
Chassis Mount • 40:1 Speed Range
Potentiometer shipped loose
Catalog # Input Voltage Max.
Amps		 WGT Price
 175290 12/24 16 2 lb. $234.45
175291 12/24 60 4 lb. $285.74
175292 36/48 60 4 lb. $285.74
WGT = Approximate Shipping Pounds

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We recommend that all electric motors be installed by a qualified licensed contractor.
Disconnect power before attempting to service any electrical apparatus 
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