Data Sheet

Medium Voltage

Metalclad Switchgear

T-503Page 1 of 9

Data Sheet

Project: / Rev.
Job No._____ / Date
TITLE: Medium Voltage Metalclad Switchgear / By

1.SPECIFICATIONS

Provide Medium Voltage Metalclad Switchgear and ancillary equipment to Vale Specification SPEC-53006, as described in these data sheets, in the quantities noted in the attached requisition and as shown on the enclosed single line diagram(s).

2.SERVICE CONDITIONS

2.1 / Indoor Installation Outdoor Installation
2.2 / Ambient temperature oC Max______Min______Av______
2.3 / Approximate elevation above sea level_____ Feet
2.4 / Environment: Dust Fumes Moisture
Corrosive Non-corrosive
2.5 / Weather: Heavy snowfall area

3.INCOMING POWER SYSTEM PARAMETERS

Nominal Voltage _____KV, BIL______KV, 3 Phase, 60 Hz

Maximum Symmetrical 3 Phase S/C Capacity: _____MVA,

r.m.s. symmetrical at _____KV

System Grounding: Effectively Grounded

Resistance Grounded

Ground fault current limited to _____Amps for ____seconds.

4.ARRANGEMENT

4.1Enclosure:

Indoors. General Purpose, EEMAC Type 1 enclosure.

Indoors. EEMAC Type 1 gasketted enclosure.

Outdoors. Assembled in a weatherproof enclosure.

Walk-in type

Future additions Yes No

Other requirements, if any ______

4.2The assembly to consists of the following units:

______incoming breakers(s) rated at______Amp.

______feeder breaker(s) rated at ______Amp.

______feeder breaker(s) rated at ______Amp.

______tie breaker rated at ______Amp.

others______

______

4.3Incoming Power System Connections are:

Cable:Size______Type______

conductors/phase______

Stress cones, type:______

Bus Duct: Amp_____ Phase segregated Yes No

Entry: Top Bottom

4.4 Cell Arrangement

Two highOne high

4.5Outgoing Power System Connections are:

Cables: Size______Type______

conductors/phase______

Stress cones, type:______

Bus Duct:

_____Amp, phase segregated Yes No

Outgoing Power exit: Top Bottom

5.MAJOR EQUIPMENT

5.1Circuit Breaker Type:

Vacuum

Other______

5.2Breaker Symmetrical Interrupting Current Ratings:

31.5 KA @ 15 KV

40.0 KA @ 5 KV

Other ____ KA @ ____ KV

5.3Control

1.Provide each breaker with: (Check all that apply)

D.C. closing and tripping. D.C.Voltage:____Volts nominal

D.C. source supplied by others.

D.C. source supplied with switchgear and consisting of battery and automatic charger, sized for ___ hours on loss of A.C. input.

A.C. closing through a rectifier unit for each breaker.

A.C. source is external and supplied by others.

A.C. source is internal and supplied with switchgear and consisting of a transformer connected to the line side of the switchgear.

A.C. tripping by a stored energy device in each breaker:

2.Control devices include as a minimum:

"Trip-close" breaker control switch mounted on a separate control box.

LED indicating lights mounted on panel door and also on remote control box

3.Control auxiliaries in each breaker include:

Under-voltage release.

Key interlock to lock breaker in the open position.

Key interlock to lock breaker in isolated position.

Additional auxiliary switches.

Others______

5.4Potential Transformers

Qty:______Location(s) Bus Incoming Line

Voltage Ratio:______/______

Rating: ____VA Accuracy ______

H.V. Fuses:______Qty______

L.V. Fuses:______Qty______

Draw out type:Yes No

Connection: / Delta/Wye / Wye/Wye
Open Wye / Other
Application:
(Check all that apply) / Relaying / Metering
Revenue metering

5.5Current Transformers:

Current transformers shall be provided as shown on the enclosed single line diagram.

5.6Protective Relaying

Digital multi-function relays (unless specified otherwise) shall be provided as shown on the enclosed single line diagram.

6.FEATURES AND OPTIONS

1.Incoming lugs/connectors required

Size ______Type______

2.Feeder lugs required

Size ______Type______

3.Strip heater required Yes No

120 VAC 240 VAC Fused

Watts______

Thermostat Other

4.Finish

External:

Manufacturer's standard

According to specification

Other (Specify)______

Internal:

Manufacturer's standard

7.SWITCHGEAR ACCESSORIES

Provide one set of standard accessories for test, maintenance and operation as follows:

Test cabinet designed for wall mounting, and providing a means for testing the breaker operation remote from the assembly and suitable for:
D.C. Supply / A.C. Supply
Test jumper 20' long, with male and female contacts, for testing breaker outside cell using the cell control power.
One set of test plugs for relays.

8.TESTING

A certified test report is required Yes No

A witness test is required Yes No

9.COMPLETE THE FOLLOWING DATA AND SUBMITT WITH QUOTATION:

1.Vendor's name:______

2.Manufacturer of Breaker(s):______

Breaker(s) ratings: / Incoming / Tie / Feeder
Voltage class
BIL
Amps continuous
Interrupting KA rms @ nominal system voltage
Close and latch ratings
Control Voltage
  1. Enclosure details:

Assembly / Incomer / Tie / Feeder
EEMAC:
NEMA:
Height:
Depth:
Weight:
Gasketted:
Steel gauge:
Finish colour inside:
Finish colour outside:
  1. Power bus:

Material:
Amps continuous:
Insulated:
Voltage indicator:
BIL:

5.Data submission with bids:

- Dimensions and weights of offered assemblies

- Bill of material with makes of offered components

- Battery sizing calculation

- Technical catalogues of major components

10.DATA SUBMISSION AFTER ORDER:

- Single line diagrams

- A.C. Schematics

- D.C. Schematics

- Wiring and terminal block diagrams

- General arrangement drawings

- Test certificates

- Final bill of material

- Technical manuals for all components of assemblies

11.LIST ALL DEVIATIONS FROM THE SPECIFICATION

These must be SPECIFICALLY listed out under a heading of “All Deviations to Specifications”. Failure to do so will render your offer invalid.

12.LIST ALL OPTIONS OFFERED FOR CONSIDERATION

These should also be SPECIFICALLY listed out under a heading of “Options”.

T-503Page 1 of 9