LEESON NEMA 1 PWM User Manual
1740008.00
Instruction Guide
Line Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115/240 VAC ± 10%
single phase, 50/60 Hz
Horsepower Range @ 115 VAC . . . . . . . . . . . . . . . . . . . . . .1/20 - 1/8 HP
Horsepower Range @ 240 VAC . . . . . . . . . . . . . . . . . . . . . .1/10 - 1/4 HP
Armature Voltage Range . . . . . . . . . . . . . . . . . . . . . . . . . . . .0 - 240 VDC
Maximum Armature Current (continuous) . . . . . . . . . . . . . . . . . . . . .3 ADC
Acceleration Time (no load) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 second
Deceleration Time (no load) . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 second
Speed Regulation (% of base speed) . . . . . . . . . . . . . . . . . . . . . . . . . .1%
Line Fuse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5A, fast-acting
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.68 lb
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . .5.50 in. x 3.50 in. x 3.20 in.
Ambient Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . .10°C - 40°C
SPECIFICATIONS
LIMITED WARRANTY
A. Warranty - LEESON Electric warrants that its products will be free from defects in
material and workmanship for a period of one (1) year from the date of shipment thereof.
Within the warranty period, LEESON will repair or replace such products that are returned
to LEESON or to the nearest Branch Office, with shipping charges prepaid. At our option,
all return shipments are F .O.B. LEESON or it s Branch Of fice. This warranty shall not apply
to any product that has been subject to misuse, negligence, or accident; or misapplied; or
repaired by unauthorized persons; or improperly installed. LEESON is not responsible for
removal, installation, or any other incidental expenses incurred in shipping the product to
or from the repair point.
B. Disclaimer - The provisions of Paragraph Aare LEESON’s sole obligation and exclude
all other warranties of MERCHANTABILITY or use, express or implied. LEESON further
disclaims any responsibility whatsoever to the customer or any other persons for injury to
person or damage or loss of property of value caused by any product that has been
subject to misuse, negligence, or accident, or misapplied or modified by unauthorized
persons or improperly installed.
C. Limitations of Liability - In the event of any claim or breach of any of LEESON’s
obligations, whether expressed or implied, and particularly of any claim of a breach of
warranty claimed in Paragraph A, or of any other warranties, express, or implied, or claim
of liability that might, despite Paragraph B, be decided against us by any lawful authority,
LEESON shall under no circumstances be liable for any consequential damages, losses,
or expense arising in connection with the use of, or inability to use, LEESON’s product for
any purpose whatsoever. An adjustment made to the warranty does not void the warranty,
nor does it imply an extension of the original one (1) year warranty period. Product
serviced and/or parts replaced by a no-charge basis during the warranty period carry the
unexpired portion of the original warranty only.
If for any reason any of the forgoing provisions shall be ineffective, LEESON’s liability for
damages arising out of its manufacture or sale if equipment, or use thereof, whether such
liability is based on warranty, contract, negligence, strict liability in tort, or otherwise, shall
not in any event exceed the full purchase of such equipment.
Any action against LEESON based upon any liability or obligation arising hereunder or
under any law applicable to the sale of equipment or the use thereof must be commenced
within one year after the cause of such action arises.
1
Safety Warnings
This symbol denotes an important safety message.
Please read these sections carefully before performing any
of the instructions contained in this manual.
• Have a qualified electrical maintenance technician install, adjust
and service this equipment. Follow the National Electrical Code
and all other applicable electrical and safety codes, including the
provisions of the Occupational Safety and Health Act (OSHA),
when installing equipment.
• Reduce the chance of an electrical fire, shock, or explosion by
proper grounding, over-current protection, thermal protection and
enclosure. Follow sound maintenance procedures.
• It is possible for a drive to run at full speed as a result of a
component failure. In order to stop the drive in an emergency,
please ensure that a master switch has been installed in the AC
line.
• This drive is not isolated from earth ground. Circuit potentials
are at 115 to 240 VAC above earth ground. Avoid direct contact
with the printed circuit board or with circuit elements to prevent
the risk of serious injury or fatality . Use a non-metallic screwdriver
for adjusting the calibration trimpots.
2
Dimensions
Figure 1. Case Layout
POWER ON
5.50 [140]
3.20 [81]
0.88 [22]
2.28 [58]
2.50 [64]
PUSH ON PUSH OFF
3.42 [87]
3.51 [89]
1.82 [46]
ALL DIMENSIONS IN
INCHES [MILLIMETERS]
1.06 [27]
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