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The
M-0339 Tapchanger Control is a solid-state voltage control relay that
provides convenient direct replacement for Siemens (Model MJ-3T and IJ-2T)
tapchanging transformer controls. The M-0339, which uses the M-0067E
Tapchanger Control, is designed to mount against a flat surface and
includes a front door hinge to easily replace the control panel. An M-0169
Auxiliary Current Transformer (5 A or 8.66 A to 0.2 A) is mounted on the
rear panel. This unit can be used as a specific Siemens retrofit or in
general purpose applications where the unit can be mounted in the available
space.
- Meets ANSI Class 1 (1%) Accuracy Requirement
- X2 operations counter for Siemens type tapchanger
- Features include auto/manual switch, lower/raise switch, drag hands
reset, and voltmeter test terminals
Features
Line Drop Compensation, Non-Sequential and Sequential modes of operation,
and manual voltage adjustment capability is included.
A separate Motor Power fuse (with spare fuses contained in the fuse holder),
X2 Operations Counter, and Voltmeter Test Terminals are included on the
front panel.

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
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