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Eaton NOVA STS-15 User Manual

Eaton NOVA STS-15
28 pages
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NOVA™ STS-15, NOVA™ STS-27, and NOVA™ STS-38
Single-Tank, Triple-Single, Electronically Controlled Recloser
Installation and Operation Instructions
COOPER POWER
SERIES
Reclosers
MN280046EN
Effective May 2016
Supersedes S280-44-1
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Eaton NOVA STS-15 Specifications

General IconGeneral
BrandEaton
ModelNOVA STS-15
CategoryIndustrial Equipment
LanguageEnglish

Summary

Ratings and Specifications

Table 1. Voltage Ratings

Lists voltage specifications for different NOVA STS recloser models.

Table 2. Current Ratings

Specifies continuous, short circuit, and making current ratings.

Recloser Dimensions

Installation Procedure

Lifting the Recloser

Instructions and safety precautions for lifting the recloser.

Grounding the NOVA STS Recloser

Figure 9. Recommended Grounding Method for NOVA STS Recloser

Illustrates recommended grounding for remote supply installations.

Recloser Operation

Mechanism Tripping and Closing

Describes the magnetic actuator mechanism for tripping and closing operations.

Electronic Control

Refers to separate documentation for electronic control operation details.

Manual Operation of Energized Recloser

Instructions for manually operating the recloser using handles.

Internal Components and Options

Trip and Close Capacitor

Details the function and safety precautions for the trip and close capacitor.

Service Information

Discharge Trip and Close Capacitor

Details the procedure and safety precautions for discharging the capacitor.

High-Potential Withstand Testing

Table 15. Withstand Test Voltage Ratings

Lists test voltages for high-potential withstand testing.

Figure 16. Test Connections Diagrams

Shows terminal identification and test connection diagrams.

Test 1

Procedure for high-potential withstand test (closed contacts).

Test 2

Procedure for high-potential withstand test (closed contacts).

Test 3

Procedure for high-potential withstand test (open contacts).

Troubleshooting

Unit Will Not Close

Steps to troubleshoot when the recloser fails to close.

Unit Will Not Open

Steps to troubleshoot when the recloser fails to open.

Control Connections and Wiring

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