The design and manufacture of our products are subject to constant review and the particulars given in this publications may therefore vary in detail from the equipment supplied

Medium Voltage Switchgear

NORMACEL ®

CASSETTE

With draw-out vacuum circuit breakers

Up to 17,5 kV2500 A

40 kA

EFACEC Energia , Máquinas e Equipamentos Eléctricos, S.A.Medium Voltage Switchgear Division

www.efacec.ptE-mail: en @efacec.pt

TECHNICAL DATA

ElectricalRated voltage 7,2 - 12 - 17,5 kVInsulation level Impulse 95 kV

Power frequency 38 kV - 1 min.Frequency 50 HzRated current 630 A, 1250 A, 1600 A, 2000 A and 2500 ARated peak withstand current 40 - 63 - 100 kARated short-time current, 3s 16 - 25 - 40 kA

MechanicalProtection degree (CEI 529) IP3X (IP4X under request)Enclosures Multifolded high quality 2mm Aluminium

galvanised sheet steel sections boltedtogether. The door is electrostatic coated withan epoxy-polyester primer and then stoveenamelled.

Standard colour RAL 7032

Normal service conditionsMinimum ambient temperature -5 °CMaximum ambient temperature 40 °CMaximum 24-hour average 35 °CMaximum relative humidity 95 %Site altitude 1000 m

Applicable StandardsIEC 298, 694, 529, 56, 129 (BS standards also applicable)

Optional EquipmentEarthing switchVoltage indicatorsInterlockings and security locksMicro switchesHeater / thermostatOverpressure relief device

Lisbon

Rua da Garagem, 1 • Ap artado 527 • Carnaxide2796-853 Linda-a-Velha Codex • Portugal

Tel: (351-21) 416 36 00 • Fax: (351-21) 416 36 20

Export

Arroteia • Leça do Bailio • Apartado 10184466-952 S.Mamede de Infesta Codex • Portugal

Tel: (351-22) 956 23 00 • Fax: (351-22) 956 28 89

Oporto

Arroteia • Leça do Bailio • Apartado 10184466-952 S.Mamede de Infesta Codex • Portugal

Tel: (351-22) 956 23 00 • Fax: (351-22) 956 28 89

NORMACEL ®

CASSETTE

NORMACEL ®

CASSETTE

DESIGN CONCEPT

Included in the EFACEC’s medium voltage switchgearmanufacturing long tradition, NORMACEL

® CASSETTE opens

new doors into the switchgear future.

NORMACEL®

CASSETTE makes the work with medium voltageSwitchgear simpler, flexible and economical.

NORMACEL®

CASSETTE compact design is ideal for thereplacement of obsolete circuit-breakers in existing switchboards.

NORMACEL®

CASSETTE gives the opportunity to all panelmakers to build a personalised switchboard.

NORMACEL®

CASSETTE is totally sheet steel enclosed design,using standard cubicle units and withdrawable circuit breakers.NORMACEL

® CASSETTE, being aware of the increasing needs

concerning people and equipment protection, took intoconsideration the following features on NORMACEL

®

CASSETTE development:

• Safety and high reliability• Active and passive protection systems• Simple and secure operations• Compact design• Totally front operated• Functional flexibility• Reduced dimensions• Long mechanical and electrical life• Wide range of applications• Excellent performances CONSTRUCTION

• Withdrawable vacuum circuit breaker suitable tobe installed in a metalclad cubicle.

• NORMACEL®

CASSETTE structure, inclu-dingfront door, is reinforced in order to be internalarc resistant.

• Operation of all equipment frontally:- Circuit-breaker is moved into the service or

test-position with the door closed.- Final positions are reached through a clutch

system, independent from the operator.- Quick-make earthing switches (with making

capacity).

• Earthing switch, status is easily visible throughthe front control panel.

• Suitable for all types of cable terminations

INSTALLATION

NORMACEL®

CASSETTE switchgear is simpleand quick to install.The Instruction Manual distributed with eachpanel describes the required procedures. Technicalservices are available for additional support.

W

H

F F

A

B

179

E

C

163

346 803

3

1

8

5

7

46

5

6

2

4

D

10 11

9

CUBICLE COMPOSITION1- Withdrawable Divac circuit-breaker 7- Voltage capacitor divider2- Earthing switch 8- Low voltage plug3- Earthing switch control 9- Exhaust vent (2000A/2500A)4- Shutters 10- Overpressure relief device (Optional 2500A)5- Bushings 11- Overpressure relief device (Optional up to 2000A)6- Tee-off

Isc ≤ 25 kA 25kA < Isc ≤ 40 kADIMENSIONS In ≤ 1250A 1250A < In ≤ 2500A In ≤ 1250AHigh (H) 1123 1314 1314Depth (D) 803+346 (with ES) 803+346 (with ES) 803+346 (with ES)

Width (W) 700 850 750

Door (A) 750 834 834Low Voltage Compartment (B) 194 296 296

Distance to the floor (C) 542 574 574Distance between Bushings (E) 255 320 320

Withdrawable Divac Circuit-breaker 1250A Withdrawable Divac Circuit-breaker 2500A

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