Eaton NRX Series Instruction Leaflet
Installation and removal instructions for drawout breaker two-way cable interlock kit
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Also See for NRX Series:
- Installation instructions manual (68 pages) ,
- User manual (48 pages) ,
- Instruction leaflet (29 pages)
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Instruction Leaflet IL0131070EN
Installation and removal instructions
for Series NRX RF drawout breaker
two-way cable interlock kit
Instructions apply to:
Series NRXT, Type RF frame, IEC, IZMX40
Effective April 2015
Supersedes March 2015
Contents
Description
General information . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Functional test of interlock assembly . . . . . . . . . . 9
Page
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Summary of Contents for Eaton NRX Series
- Page 1 Effective April 2015 Instruction Leaflet IL0131070EN Supersedes March 2015 Installation and removal instructions for Series NRX RF drawout breaker two-way cable interlock kit Contents Description Page General information . . . . . . . . . . . . . . . . . . . . . . . . 2 Installation .
- Page 2 Step 7 . Refer to Figure 2 and Figure 3 for identification of interlock kit and interconnecting cable kit contents, respectively . EATON www.eaton.com...
- Page 3 38,1 mm (1,5 in) Cable assembly (see Table 3) cable tube spacer, one Cable tube spacer, pre-installed on each one pre-installed on each cable assembly cable assembly and two shipped loose Figure 3. Interconnecting cable kit part identification (includes cables) EATON www.eaton.com...
- Page 4 . Torque to 0,3–0,6 N∙m (3–5 in-lb) . Replace levering device side plate as shown in Figure 7 . Figure 4. Details for Steps 1 and 2 Figure 6. Details for Steps 3 and 4 EATON www.eaton.com...
- Page 5 Torque to 7 ,3–9,6 N∙m (65–85 in-lb) . the breaker is racked in, the interlock assembly trip paddle is above the trip pin on the trip bar as shown in Figure 9 . Figure 8. Details for Step 5 Figure 10. Details for Step 6 EATON www.eaton.com...
- Page 6 Driven lever pull swivel fitting Drive lever pull swivel fitting Drive lever push swivel fitting Drive lever Figure 12. Push and pull swivel fitting identification Breaker B Figure 11. Cable routing for two-way interlock configurations EATON www.eaton.com...
- Page 7 Lock cable bracket (threads washers show above bracket) . Figure 13. Details for Step 8: cable assembly drive (short rod) end mounting component identification, mounting cable assembly in cable bracket, and cable rod attachment to drive arm EATON www.eaton.com...
- Page 8 Outer bulkhead nut Lock washers (2) Lower nuts Bulkhead Driven end Driven lever cable bracket Figure 14. Details for Step 9: driven (long rod) end mounting component identification and Step 10 driven (long rod) end after adjustments EATON www.eaton.com...
- Page 9 Figure 15. Position of interlock based on breaker state The mechanical interlock is now properly installed and adjusted . Use a light amount of supplied lubricant (G) if any interlock parts are sticky or do not fully reset . This is only recommended if needed . EATON www.eaton.com...
- Page 10 Instruction Leaflet IL0131070EN Installation and removal instructions Series NRX RF drawout breaker Effective April 2015 two-way cable interlock kit EATON www.eaton.com...
- Page 11 Instruction Leaflet IL0131070EN Installation and removal instructions Series NRX RF drawout breaker Effective April 2015 two-way cable interlock kit EATON www.eaton.com...
- Page 12 THIS DOCUMENT SHALL NOT BECOME PART OF OR MODIFY ANY CONTRACT BETWEEN THE PARTIES . In no event will Eaton be responsible to the purchaser or user in contract, in tort (including negligence), strict liability or otherwise for any special, indirect, incidental or consequential damage or loss...
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