NORMABLOC switchboard up to 6300A

Safety, reliability, sustainability : a switchboard for life

On the market since the 1970s, NORMABLOC still matches the requirements for full operation of critical infrastructures worldwide, in particular nuclear sites (98% of the installed base) and industries. NORMABLOC is still manufactured today as part of extensions and upgrades of the nuclear installed base.

Repair and Retrofit

Scope of the Low Voltage Retrofit offer:

  • Replacement of UNELEC circuit-breakers in NORMABLOC tables
  • Replacement of circuit-breakers in COMECA switchboards
  • Replacement of drawers in COMECA switchboards
  • Replacement of the entirely switchboard with a Galaxis
  • Replacement of switchboard part with Galaxis + adaptation cell
  • Replacement only of a Normabloc cell
  • Replacement of the functional unit

Manufacturer guarantee

COMECA offers you a “Manufacturer” guarantee on the assembly of your electrical equipment by ensuring:

  • Assembly supervision
  • Alignment, mechanical coupling
  • Fish-platting of cubicles and electrical busducts

In option:

  • Supply side cables connections
  • Load side cables connections

Reliability of components:

(Bus bar : MTBF (h): 3,8.10E5 MTTR with replacement: 8 hours)

  • Bus bar fully cast into a resin-concrete composite – unique design
  • Sustainability (cubicles’ extensions since 1970)
  • Compactness and modularity
  • High seismic and vibration withstand
  • OEM switchboard
  • Customers’ feedbacks for 50 years

Electrical data – N660:

Features

Value

Short-circuit current (max)  Up to 100 KA – 1s
Main bus bar rating  Up to 6300A
Vertical bus bar  Up to 2200A
Rated impulse withstand voltage (Uimp)  12 kV
Rated insulation voltage (Ui)  1000V
Voltage rating (Ue)  690V
Rated frequency (F)  50/60Hz

 

Mechanical data – N660:

Features

Value

Service index  SI 333
Connection type  WWW
Form  3b/4b according to  IEC 60439
Protection index  IP 32  (Option IP 43)
Access  Rear
Dimensions (min-max)  • Height : 2350-2500 mm

• Width : 480 – 1000 mm

• Depth : 1000 mm

Electrical data – N680:

Features

Value

Service index  SI 333
Connection type  WWW
Form  3b/4b according to  IEC 60439
Protection index  IP 32  (Option IP 43)
Access  Front
Dimensions (min-max)  • Height: 2350 mm

• Width: 750 – 1100 mm

• Depth: 600 mm

 

Mechanical data – N680:

Features

Value

Service index  SI 333
Connection type  WWW
Form  3b/4b according to  IEC 60439
Protection index  IP 32  (Option IP 43)
Access  Front
Dimensions (min-max)  • Height: 2350 mm

• Width: 750 – 1100 mm

• Depth: 600 mm

 

  • IEC 60439-1 & 2
  • Arc-resistant certified
  • Nuclear certification (K3 according to RCC-E 2005 and CSC 3.0)

Success stories

Applications

Nuclear

Oil & Gas

Mining, Minerals, Metals

Chemicals

Thermal

Offices / Buildings

Our services

We are at your disposal and we guide our offers well beyond electrical equipment. By integrating a wide range of professional services, we help you to improve your efficiency and optimize your performance.

COMECA, experts close to you, all over the world.

Contact us