Engineering Type Bypass Load Switch

Engineering bypass load switch built for field line work and utility projects. Compact design and reliable operation support retrofit, maintenance, and temporary switching applications.
As a professional manufacturer of Engineering Type Bypass Load Switch, we provide more cost-effective products. Whether you want to buy or become a distributor, you are welcome to contact us anytime.

Engineering bypass load switch is developed for utility construction, line maintenance, and project-based switching tasks where field practicality is important. This engineering bypass load switch provides a compact and dependable solution for temporary circuit transfer, maintenance isolation, and controlled manual operation. Its structure is suitable for engineering teams that need equipment that is easy to handle on site.

For retrofit jobs, network improvement work, and branch line projects, the engineering bypass load switch offers a useful balance of performance and operational simplicity. It supports clean installation, convenient access, and practical switching control in power distribution environments. The design is especially suitable for projects that value efficient deployment and reliable mechanical operation.

This engineering bypass load switch is a good fit for contractors, utilities, and distributors seeking products for project delivery and long-term cooperation. It offers a straightforward configuration for field use while maintaining strong value for procurement, integration, and repeated engineering applications.

Section

Item Detail 12 kV 24 kV
Model Selection 200 A Manual Operation DPSW-FLW-12/T200-40 DPSW-FLW-24/T200-40
Model Selection 200 A Electric Operation DPSW-FLW-12/200-40 DPSW-FLW-24/J200-40
Model Selection 400 A Manual Operation DPSW-FLW-12/T400-40 DPSW-FLW-24/T400-40
Model Selection 400 A Electric Operation DPSW-FLW-12/J400-40 DPSW-FLW-24/J400-40
Technical Specifications Rated Current 400/200 A 400/200 A
Technical Specifications Rated Frequency 50/60 Hz 50/60 Hz
Insulation Performance Rated Impulse Withstand Voltage Phase-to-Ground 75 kV 125 kV
Insulation Performance Rated Impulse Withstand Voltage Between Terminals of the Same Phase 95 kV 145 kV
Insulation Performance Rated Power-Frequency Withstand Voltage Phase-to-Ground 42 kV 64 kV
Insulation Performance Rated Power-Frequency Withstand Voltage Between Terminals of the Same Phase 48 kV 79 kV
Switching Current Capability Load Current 400/200 A 400/200 A
Switching Current Capability Magnetizing Current 21 A 21 A
Switching Current Capability Cable Charging Current 25 A 25 A
Switching Current Capability Line Charging Current 1.5 A 1.5 A
Technical Specifications Rated Short-Time Withstand Current 16 kA / 3 s 16 kA / 3 s
Technical Specifications Rated Closing Current 50 kA 50 kA
Gas Pressure Rated Pressure 0.5 ± 0.1 kgf/cm² 0.5 ± 0.1 kgf/cm²
Gas Pressure Explosion-Proof Pressure 4–6 kgf/cm² 4–6 kgf/cm²
Technical Specifications Manual Operating Force 176 ± 19 N 176 ± 19 N

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