Bypass Load Switch for Maintenance Operations
Manual bypass load switch for routine maintenance and utility field operation. Easy handling and compact construction support dependable use in retrofit and service continuity work.
As a professional manufacturer of Bypass Load Switch (Manual), we provide more cost-effective products. Whether you want to buy or become a distributor, you are welcome to contact us anytime.
Manual bypass load switch is intended for maintenance operations that require direct mechanical control, compact installation, and dependable switching performance. This manual bypass load switch is well suited to utility service work, project retrofits, and branch line applications where operators prefer simple and practical handling. The layout supports convenient on-site use and efficient access during routine maintenance tasks.
For engineering teams, contractors, and equipment distributors, the manual bypass load switch offers a stable solution for temporary circuit transfer, maintenance isolation, and system support work. It is a good fit for projects that require reliable operation without overly complex control arrangements. The product structure is designed to help improve usability in field environments.
This manual bypass load switch provides a strong balance of operational simplicity, equipment durability, and long-term project value. It is suitable for customers who want a straightforward manual product for distribution systems, utility maintenance planning, and distributor cooperation.
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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