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 Installation2.2 / 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/WyeOpen 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 / FeederVoltage class
BIL
Amps continuous
Interrupting KA rms @ nominal system voltage
Close and latch ratings
Control Voltage
- Enclosure details:
Assembly / Incomer / Tie / Feeder
EEMAC:
NEMA:
Height:
Depth:
Weight:
Gasketted:
Steel gauge:
Finish colour inside:
Finish colour outside:
- 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