QCL-40.5 is Qiangchi鈥檚 compact gas-insulated switchgear platform for 40.5kV-class applications. Available rated-current configurations include 630 / 1250 / 2500 / 3150 A; all remaining electrical ratings and the final panel configuration are confirmed against the project specification and approved drawings.
Product overview
Recommended family: QCL-40.5
Selection basis: 40.5kV equipment class
Qiangchi supports single-line review, functional-unit selection, interlocking logic, cable-interface coordination, secondary schematic review, routine inspection and export documentation. The final supply scope is governed by the signed technical agreement.
Technical selection parameters
| System / equipment class | 40.5kV equipment class |
|---|---|
| Rated current | 630 / 1250 / 2500 / 3150 A (available by confirmed QCL-40.5 configuration) |
| Short-circuit duty | Confirmed from the project fault-level study and specification |
| Functional units | Incoming, outgoing, bus section, metering, protection and transformer feeder as required |
| Protection & control | Relay, CT/VT, indication, motor operation and communication options configured per project |
| Cable interface | Termination type, cable size, entry direction and compartment arrangement confirmed before production |
| Environment | Indoor/outdoor enclosure, altitude, temperature, humidity, pollution and seismic conditions must be stated |
| Applicable standard | IEC or specified local/utility standard, subject to technical confirmation |
Typical applications
Utility secondary distribution, industrial plants, renewable-energy collection systems, commercial infrastructure, mining, transportation facilities and prefabricated substations.
Information required for quotation
Please provide the single-line diagram, system voltage and frequency, rated current, fault level and duration, feeder functions, cable details, protection requirements, installation conditions, applicable standards, quantity and delivery destination.
Engineering review and quotation
Download the available product-family document, then send the project data for configuration confirmation. Published information is for preliminary selection and does not replace the signed technical agreement.
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Recommended Product
QCL-40.5 gas-insulated switchgear
Available rated-current configurations include 630/1250/2500/3150 A; final duty follows the approved project design.
Engineering Inputs
Send voltage, current, fault level, frequency, SLD, functional units, protection scheme, cable data and service conditions.
Project Deliverables
Configuration review, datasheet, GA drawing, technical clarification, FAT coordination and export documentation.
Frequently Asked Questions
Is this a final specification?
No. Final ratings, dimensions and interfaces follow the approved technical agreement and drawings.
Can Qiangchi review an EPC SLD?
Yes. Send the SLD, BOQ and specification for a project-specific proposal.
Can drawings and FAT documents be supplied?
GA drawings, technical submittals and agreed inspection records can be coordinated for confirmed orders.
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Confirm the Correct Voltage-Class Equipment
System voltage alone does not complete product selection. Confirm rated voltage, insulation level, rated current, short-circuit current and duration, frequency, functional units, cable arrangement, application and required standard before quotation.
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