®

Modular distribution switchgear

Up to 24 or 36 kV

630 A

16 or 25 kA

Catalogue

Instructions Manual

 

Normafix® is an indoor air insulated modular switchgear equipped with a SF6 three positions rotational switch disconnector.

 

 

GENERAL CHARACTERISTICS

  • Copper busbar

  • Up to 240 mm2 dry cables assembly

  • Low voltage supplementary compartment

  • Vacuum or SF6 circuit breakers

  • According with international standards

  • Sectioning visualization

  • Live cables signaling and phase agreement measure

  • Mechanical and electrical interlocks

  • Internal arc protection system

  • Easy to install

  • Increased mechanical and electrical life

  • Without maintenance

  • Modular construction

  • Extensible

  • Developed to be installed in external transformer substation

  

 

TECHNICAL DATA

 

ELECTRICAL DATA
Rated voltage kV 24 36
Insulation level

  - lighting impulse (1,2 / 50 µs)

  - power frequency (50 Hz / 1 min.)

  

kV peak

kV r.m.s.

  

125

50

  

170

70
Busbar rated current A 630 630
Rated short-time withstand current kA r.m.s. 16 (3 s) 16 (3 s)
Protection degree (enclosures)   IP3XC

(higher degree, upon request)

 IP3XC

(higher degree, upon request)

ISF SWITCH DISCONNECTOR
Rated current A 400 or 630 400 or 630
Rated short-time withstand current kA r.m.s. 16 (3 s) 12.5 - 16 (3 s)
Making capacity kA peak 40 31.5 - 40

SF SWITCH

      
Rated current A 400 or 630 400 or 630
Rated short-time withstand current kA r.m.s. 16 (3 s) 16 (3 s)
CIRCUIT BREAKER
Rated current A 400 or 630 400 or 630
Breaking capacity kA r.m.s. 16 16
Making capacity kA peak 40 40
 

AVAILABLE FUNCTIONS

  • Incoming/outgoing: IS; CD; DC; CIS; NE
  • Busbar sectioning/measure: DB; SBM; TT
  • Power transformers: TP

IS

SWITCH DISCONNECTOR

CIS

TRANSFORMER PROTECTION

BY FUSE TRIPPING

DC

CABLES GENERAL PROTECTION

CD

DIRECT INCOMING

DB

BUSBAR GENERAL PROTECTION

SBM

BUSBAR SECTIONING AND MEASURE

(LEFT AND RIGHT)

TT

VOLTAGE TRANSFORMER

TP

TRANSFORMER

NE

NORMAL EMERGENCY

 

DIMENSIONS

 

  CUBICLE WITH (mm) HEIGHT (mm) DEPTH (mm)

24 kV
IS 375 1550 860 (+110)
CIS 375 1550 860 (+110)
DC 750 1550 860 (+110)
CD 375 1550 860 (+110)
DB 750 1550 860 (+110)
SBM 750 1550 860 (+110)
TT 500 1550 860 (+110)
TP 1000 1550 860 (+110)
NE 750 1550 860 (+110)

36 kV
IS 600 2000 1300
CIS 600 2000 1300
DC 1200 2000 1300
CD 600 2000 1300
DB 1200 2000 1300
SBM 1200 2000 1300
TT 600 2000 1300
TP 1000 2000 1300
NE 1200 2000 1300

 

COMPOSITION

 

£ 24 kV

 

 

36 kV

  1. Busbar access panel

  2. low voltage frontal panel

  3. ISF switch disconnector operating mechanism

  4. Live cables signaling neon lamps

  5. voltage capacitor divider

  6. Lower compartment access door

  7. Lower compartment

  8. Earth main bar

  9. Busbar

  10. ISF three positions load break switch disconnector

  11. Cable connectors

  12. Cables

  13. Cable fasteners
 

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