1. Sectos NXB and NXBD

2. Sectos NXB Pole Mounted SF6 Insulated Switch
3-position (on-off-earth) or 2-position (on-off)
Silicon rubber insulators, CD 620 mm
12-24 kV, 630 A, 20 kA 3 s
Making capacity 50 /31,5 kA - main switch 3 /10 times - earthing switch 3/5 times
Optional items - integrated motor - auxiliary contacts - current sensors
Type Sectos NXB_

3. Sectos NXB 3-position (on-off-earth) or 2-position (on-off)
Epoxy resin insulators, CD 500 mm
12-24 kV, 630 A, 20 kA3 s
Making capacity 50/31.5 kA - main switch 3/10 times - earthing switch 3/ 5 times
Optional items - integrated motor - auxiliary contacts - current sensors
Type Sectos NXB_

4. Sectos NXB Over voltage protection arrester MWK
Current sensor KOKU
Lever for emergency operation by hook stick
Bird caps together with covered jumpers (BLX)

5. Sectos NXB Climate independent Control plug-in cable
Integrated motor mechanism for remote control
Position indicator according to IEC standard

6. Sectos NXB Direct cable connection with Series 400 cable connectors
Earth cable

7. Sectos NXBD 3-way switch
Sectos NXBD, built of two NXB in the same housing
Ideal for line branching
Two switched ways + one tapped way
Equal ratings with NXB
Two motor-up mechanisms with a common control box
Option for integrated CT:s

8. Sectos NXBD 3-way switch
Sectos NXBD, Main circuit diagram

9. Sectos NXBD 3-way switch
Sectos NXBD, branching from one cable to two overhead lines

10. Sectos NXBD, branching from cable to cable and overhead
Sectos NXBD 3-way switch
Sectos NXBD, branching from cable to cable and overhead

11. Sectos NXBD 3-way switch
SECTOS NXBD24. Double switch-disconnector 2pcs. All 4 motors remote controlled from same DTU131 operating box using REC523 type of RTU
Before

12. Installation of two pcs of NXB and one NXBD
Sectos NXB and NXBD
Installation of two pcs of NXB and one NXBD

13. Sectos NXB and NXBD Installation of two pcs of NXB and one NXBD
One DTU 131 enclosure used for operating four disconnectors

14. Sectos NXB and NXBD Installation
Sectos is complete, fully tested at the factory and ready to installation. It is compact and light weight making the installation easier and faster than ever before. All necessary accessories for installation and use are available from the well proven NPS product-line.

15. Sectos NXB and NXBD Motor operation of Sectos DTU-enclosure:
REC523-unit (Digital and analog inputs from sensors and measuring transformers)
communication unit
heater
24 VDC battery
1…4 pcs contactor logic with local control push buttons and MCBs
optional motor up operating device UEMC40K8 on Sectos NXB
Distribution Terminal Unit (DTU)
DTU 131 and 135

16. Sectos NXB and NXBD Motor operation of Sectos DTU-enclosure :
RTU211-unit (Digital inputs only, no measuring)
communication unit
heater
24 VDC battery
1…4 pcs contactor logic with local control push buttons and MCBs
optional motor up operating device UEMC40K8 on Sectos NXB
Distribution Terminal Unit (DTU)
DTU 131 and 135

17. Sectos Sectos switch disconnector NXB technology NXA technology NXB
12…24 kV (BIL max. 125 kV)
24…36 kV (BIL max. 170 kV)
NXB technology
NXA technology
NXB
NXBD
NXA
Motor up
Manual
Motor up
Motor down
Manual
Conical epoxy bushings
Outdoor epoxy bushings
Conical epoxy bushings
Direct cable
Silicon insulators for overhead line
Overhead line
Direct cable
Silicon insulators for overhead line