M-0329B LTC Backup Control

Replacement Tapchanger Control

The M-0329B LTC Backup Control prevents a defective LTC tapchanger control from running the voltage outside the upper and lower voltage limits and, in addition, will prevent the line drop compensator from raising the voltage too high under full load or overload conditions. Selectable bandcenter and deadband settings allow the M-0329B to match any transformer control. The M-0329B responds to a voltage excursion within 0.2 seconds and operates within ±1% voltage accuracy over a range of -40° to +80°C.

  • Prevents a defective LTC tapchanger control from running the voltage outside the upper and lower limits.
  • Prevents the line-drop compensator from raising the voltage too high under full or overload conditions.
  • Selectable bandcenter and deadband ranges allow the M-0329B to match any transformer control.
  • Responds to a voltage excursion within 0.2 seconds.
  • Operates within ±1% voltage accuracy


Sales and Service

For sales and service information contact your local representative or contact the factory:

E-mail: sales@beckwithelectric.com
Call (727) 544-2326 or Fax (727) 546-0121

Documentation & Software



Product Specification (47 KB)

Instruction Book (370 KB)
Instruction Book for M-0329B Mod426
(3.9 MB)
Instruction Book dans Français Le Canadien (336 KB)

Application Guide for use with M-2050 Surface Mounting Kit (414 KB)
Application Guide for use with M-2051/M-2052 Connection Harness (207 KB)


Technical Documents

App Note 13: Advanced Paralleling of LTC Transformers by the Circulating Current Method (186 KB)
App Note 11: Introduction to Paralleling of LTC Transformers by the Circulating Current Method (136 KB)
App Note 16: Voltage Reduction Schemes (24 KB)


Accessories

M-0124 Surface Mounting Adapter allows for mounting on a flat surface
M-2050 Surface Mounting Kit
M-2051/M-2052 Connection Harness

Note: Documents are provided in Adobe Acrobat PDF format and require Acrobat 5.0 or higher to view.

Beckwith Electric Co., Inc. 6190-118th Avenue North Largo, Florida 33773-3724 U.S.A. 727-544-2326
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