Variable Speed Drive Panels (Variable Torque)

Nema 3R 10hp VSD

A variable speed drive (VSD) is required for applications needing programmable motor running speed. VSD panels are complete motor control packages used in applications requiring a disconnecting means, starting circuitry, VSD and motor overload protection. These VSD panels are medium duty (Variable Torque) configurations.

In the standard configuration, these drive panels are intended for use indoors. If your application requires a main disconnect, please see our disconnect page or consider the bypass option. Please call us with your special environmental considerations. We can configure a VSD panel to fit almost any environmental conditions.

Can Line and Load Reactors save your VFD & increase the life of your motor?


New Utility Transformers allow higher available Fault Currents. When advised, we can provide controls with proper interrupting ratings. Short Circuits may cause welding, which is not considered a failure of the Contactor. (see UL508, Para 53)

VSD-Only Prices Include:

  • Stand-alone NEMA 1;
  • Adjustable Thermal Overload Protection (integral to drive).

VSD Bypass Panel Prices Include:

  • NEMA 3R enclosure;
  • Main circuit breaker with lockable handle;
  • 2 Magnetic contactors;
  • Adjustable overload protection;
  • Reset pushbutton;
  • Hand-Off-Auto selector switch;
  • Bypass mode selector switch;
  • Terminal block for remote device.

Enclosed VSD Panel with Bypass prices include:

  • NEMA 3R Enclosure;
  • Main Circuit Breaker with lockable handle;
  • VSD;
  • 2 Magnetic Contactors;
  • Adjustable Overload Protection;
  • Reset Pushbutton;
  • Control Power Transformer with Fuse;
  • Hand-Off-Auto selector switch;
  • Bypass mode selector switch;
  • Running light, Fault light;
  • Manual Speed Potentiometer;
  • Terminal block for remote device.

ATTENTION: Because of the low margins on our VSD-only option, we cannot provide free engineering services with this product. The customer is responsible for proper sizing, installation and startup.

  NEMA 3R 230v Bypass Panel Only
NEMA 3R 460v Bypass Panel Only
NEMA 3R Enclosed VSD Panel with Bypass
HP Catalog# List Catalog# List Catalog# List ATV21 List ATV61
1 BP23/001 3286 BP43/001 3298 VDP43/001 5350 6302
2 BP23/002 3288 BP43/002 3298 VDP43/002 5491 6503
3 BP23/003 3288 BP43/003 3298 VDP43/003 5633 6781
5 BP23/005 3288 BP43/005 3300 VDP43/005 6066 7312
7.5 BP23/007 3288 BP43/007 3300 VDP43/007 6348 7588
10 BP23/010 3305 BP43/010 3300 VDP43/010 6638 8134
15 BP23/015 3546 BP43/015 3300 VDP43/015 7272 8946
20 BP23/020 4041 BP43/020 3468 VDP43/020 8001 10015
25 BP23/025 4442 BP43/025 3713 VDP43/025 8794 11251
30 BP23/030 4687 BP43/030 3713 VDP43/030 9527 12172
40 BP23/040 5377 BP43/040 4217 VDP43/040 10565 13811
50 BP23/050 5708 BP43/050 4504 VDP43/050 13263 17011
60 BP23/060 6490 BP43/060 4614 VDP43/060 14714 19322
75 BP23/075 8208 BP43/075 5393 VDP43/075 16386 21632
100 BP23/100 10616 BP43/100 5725 VDP43/100 18389 24322
125 Call for Quote BP43/125 7790 Call for Quote
150 BP43/150 8614
200 BP43/200 10571

Prices are subject to change without notice

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