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Instrument Transformers, Inc. 

                                  ITI Instrumentation Switch - U Series                                      
 These U Series Switches are designed for use on instrumentation applications. The double break silver alloy contacts offer high breaking capacity and low contact resistance. For ease of use it is available in two operator style


OPERATOR STYLE #1
Designed for use in a standard 30mm 
pushbutton hole.
It is suitable for steel panel, insulated panel, 
or centralized motor clusters.  An optional 
nameplate is available

 

 

OPERATOR STYLE #2
Designed for use through a 5/16" hole in a steel or
insulated panel.  This switch is complete with a mounting plate and nameplate.

 

 

 

Models Available

Model No.** "L" Dimension

Function

U-0743-B** 1.80 VOLTMETER, Phase to Phase, Three Phase, Three Wire
U-0744-B** 1.80 VOLTMETER. Phase to Neutral, Three Phase, Four Wire
U-0746-B** 2.70 VOLTMETER. Phase to Phase, and Phase to Neutral, Three Phase
U-0762-B** 3.60 AMMETER. Three Phase, 3 Current Transformers Independent of Circuit
U-0763-E** 3.60 AMMETER. Three Phase, 4 Wire Independent of Circuit
U-0767-C** 2.70 AMMETER. Three Phase-End of Circuit, 3 Current Transformers
U-4644-D** 3.30 AMMETER' Three Phase-End of Circuit, 2 Current Transformers
U-0775-D** 3.60 AMMETER & VOLTMETER, Three Phase, Phase to Neutral
U-0776-E** 4.50 AMMETER & VOLTMETER, Three Phase Four Wire
U-0777-E** 4.10 AMMETER & VOLTMETER, Three Phase Three Wire
U-0561-R** 1.80 SYNCHROSCOPE,  Spring Return to Off
** Link to pages for Schematics, Wiring Diagrams and Contact Arrangement Details.

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          2108 B West Magnolia Blvd
Burbank, CA  91506
Phone: 800-926-3837           FAX: 818-841-2379