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IB01602046E

For more information visit: www.eaton.com

Instruction Booklet

Effective: July 2010

Page

 

9

2-Position Contactor Based 

Non-Automatic Transfer Switch

3.5 Features

A variety of standard and optional features are available for Eaton 

non-automatic transfer switches.  

All features or combinations of 

features may not be available on specific non-automatic transfer 

switches

.  All features and/or accessories are Underwriters Labo-

ratories (UL) listed unless noted.

3.5.1 Standard Features

The following is a list of the standard features for the non-auto-

matic transfer switch.

12. Power Source Annunciation

This feature provides light indication for switch position and 

power source availability indications.

Switch Position

Provides light to indicate the switch position

12C. Source 1 - Source Connected

This feature provides a green light that, when lit, indicates 

the load is connected to Source 1.

12D. Source 2 - Source Connected

This feature provides a red light that, when lit, indicates 

the load is connected to Source 2.

Power Source Availability

Provides light to indicate if a power source is available.

12G. Source 1 - Available

This feature provides a white light that, when lit, indicates 

Source 1 is available.

12H. Source 2 - Available

This feature provides an amber light that, when lit, indi-

cates Source 2 is available.

14. Relay Auxiliary Contacts

14G. Source 1 Present:

 Provides two (2) normally open and two 

(2) normally closed contacts.  The relay is energized when 

Source 1 is available.

14H. Source 2 Present:

 Provides two (2) normally open and two 

(2) normally closed contacts.  The relay is energized when 

Source 2 is available.

15. Switch Position Indication Contact

This feature provides a contact that indicates if the power 

switching device is in the “Open” or “Closed” position.

15E. Source 1 Position Indication Contact

This feature provides 1 dry form “C” contact that indicates 

the position of the Source 1 power switching device.

15F. Source 2 Position Indication Contact

This feature provides 1 dry form “C” contact that indicates 

the position of the Source 2 power switching device.

42. Seismic Withstand Capability

Provides transfer switch with seismic capability exceeding 

the worst case Zone 4 required per both the Uniform Build-

ing Code and the California Building Code.

3.5.2 Optional Features

The following is a list of the optional features for the non-auto-

matic transfer switch.  

All features or combinations of features 

may not be available on specific non-automatic transfer switches

14.

Relay Auxiliary Contacts

This feature provides form "C" relay auxiliary contacts.

14C. Source 1 Present

Provides four (4) normally open and four (4) normally 

closed contacts. They relay is energized when Source 1 is 

available.

14D. Source 2 Present

Provides four (4) normally open

 

and four (4) normally 

closed contacts. They relay is energized when Source 2 is 

available.

15.

Switch Position Indication Contact

This feature provides a contact that indicates if the power 

switching device is in the "Open" or "Closed" position.

15G. Source 1 Position Indication Contact

This feature provides 3 Dry Form "C" contacts that indi-

cate the position of the Source 1 power-switching device.

15H. Source 2 Position Indication Contact

This feature provides 3 Dry Form "C" contacts that indi-

cate the position of the Source 2 power-switching device.

18 Metering

This feature includes all required external devices (CTs, 

shorting blocks, fuses, etc.) for a fully functional metering 

system.

18O

IQ Analyzer Normal (S1) Only

18P

IQ Analyzer Emergency (S2) Only

18Q

IQ Analyzer Normal (S1) & Emergency (S2) Switch Select-

able

18V

IQ Analyzer Load

18R

IQ DP-4000 Normal (S1) Only

18S

IQ DP-4000 Emergency (S2) Only

18T

IQ DP-4000 Normal (S1) & Emergency (S2) Switch Select-

able

18U

IQ DP-4000 Load

18AN

IQ 250/260 Normal (S1) Only

18AE

IQ 250/260 Emergency (S2) Only

18AL

IQ 250/260 Load

Summary of Contents for NTCEC2X20400WRU

Page 1: ...utomatic Transfer Switch Instruction Booklet Description Page Introduction 2 Receiving Handling and Storage 6 Equipment Description 7 Installation and Wiring 11 Operation 16 Testing and Problem Solvin...

Page 2: ...llation application or main tenance activity please contact an authorized Eaton sales repre sentative or the installing contractor 1 1 1 Warranty and Liability Information No warranties expressed or i...

Page 3: ...ically electrical operation Conversely if con nected to Source 2 and Source 2 power source fails non auto matic transfer switch will remain connected to the Source 2 power source When Source 1 power s...

Page 4: ...ficant amount of relevant information that pertains to a particular piece of equipment The Catalog Number Identification Table Table 2 provides the required interpretation information An example is of...

Page 5: ...nection Re Transfer Re transfer is defined as a change of the load connection from the Source 2 to the Source 1 Source 1 Source 1 is the primary source normal source normal power source or normal Sour...

Page 6: ...dy for installation Once the top packaging is removed from the shipment the enclosure door can be opened A plastic bag of documents will be found in the enclosure usually attached to the inside of the...

Page 7: ...nd disconnect the load to and from the different power sources The power contactor is mechanically and electrically interlocked to prevent the two sets of main contacts from being closed simultaneousl...

Page 8: ...hown Connected to the 480 Vac Taps 3 4 Logic Panel The logic panel provides ability to transfer from Source 1 to Source 2 when Source 2 is at sufficient voltage and frequency Conversely it also provid...

Page 9: ...ontact This feature provides 1 dry form C contact that indicates the position of the Source 1 power switching device 15F Source 2 Position Indication Contact This feature provides 1 dry form C contact...

Page 10: ...480VAC by providing a low imped ance surge path to ground while supporting rated volt age It provides LED indication 3 6 Enclosure The rugged steel non automatic transfer switch enclosure is sup plie...

Page 11: ...on requires solidly mounting the enclosed unit and connecting power cables and auxiliary pilot circuits Physi cal mounting procedures and power cable connections are cov ered in this section All other...

Page 12: ...s securing the har ness to the inside of the door Carefully remove the hinge pins then the door from the enclosure Step 2 Install the required upper and lower mounting bolt anchors and the two upper m...

Page 13: ...lectrical procedures as outlined in Section 6 to verify that the equipment is installed and operating properly Table 4 Transfer Switch Equipment Wire Sizes WARNING POWER CONDUCTORS MAY HAVE VOLTAGE PR...

Page 14: ...ormers contained in a steel case mounted in the enclosure To change the voltage from the factory default 600 Vac follow the steps detailed below Step 1 Loosen the six screws securing the cover of the...

Page 15: ...inserting a small flathead screwdriver into the square tool hole with the flat surface of the screw driver against the back wall of the hole With a little bit of force push the screwdriver in on a sli...

Page 16: ...peration is accomplished by adding required indication lights and push buttons located on the front device panel to the operating mechanism of the 2 position contactor With the transfer switch connect...

Page 17: ...ddress etc 4 Company name 5 Name and position of individual representing company 6 Basic description of situation as it exists 7 Any results of problem solving steps taken and or readings taken Sectio...

Page 18: ...HIS EQUIPMENT DISCONNECT THE LINE POWER FROM THEN LOCK OUT IF POSSIBLE THE NEXT HIGHEST DISCONNECT DEVICE FAILURE TO FOLLOW THIS PROCEDURE COULD CAUSE SEVERE PERSONAL INJURY AND OR DEATH STEP ACTION a...

Page 19: ...tic Switch 480VAC 4 Pole Cat 68C8471G13 200A AG Switch up to 240VAC 2 Pole Cat 68C8471G01 200A AG Switch up to 240VAC 3 Pole Cat 68C8471G02 200A AG Switch up to 240VAC 4 Pole Cat 68C8471G03 400A Domes...

Page 20: ...ator Supply E1 E2 E3 For 4 pole transfer switches connect the load cables TN Source 1 or utility supply NN and Source 2 or generator supply EN Refer to Figure 22 for the location of all parts discusse...

Page 21: ...oltage on load terminals Step 5 Turn 2 position selector switch to Source 1 position and verify that Source 1 ON light should turn ON Step 6 Turn the Utility Source 1 power OFF Step 7 Start the genera...

Page 22: ...For more information visit www eaton com IB01602046E Instruction Booklet Page 22 Effective July 2010 2 Position Contactor Based Non Automatic Transfer Switch Notes...

Page 23: ...IB01602046E For more information visit www eaton com Instruction Booklet Effective July 2010 Page 23 2 Position Contactor Based Non Automatic Transfer Switch Notes...

Page 24: ...ION RECOMMENDATIONS AND DESCRIPTIONS CONTAINED HEREIN In no event will Eaton be responsible to the purchaser or user in contract in tort including negligence strict liability or otherwise for any spec...

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