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Bypass Switch & Cable System
The Bypass Power Supply System is designed for medium-voltage distribution networks to ensure uninterrupted power supply during maintenance, fault repair, or emergency situations.
By integrating bypass switches, flexible cables, connectors, and accessories into a modular system, it enables fast deployment, minimizes outage time, and significantly improves power supply reliability.
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Product Overview
Section 1：Core Equipment
Electric Operation Type & Manual Operation Type Bypass Switch
1.The 12kV/24kV engineering-type bypass load switch is the core device for bypass integrated operation technology. This switch utilizes flexible power cables, self-locking quick plug-in cable connectors, bypass switches, and mobile transformer substations to build various power distribution units in a modular manner, providing bypass power supply to users.
2.It allows maintenance personnel to perform line maintenance under uninterrupted power supply conditions and provides temporary power supply for emergency repairs of challenging cable faults. This reduces the scope of power outages, minimizes the impact on users, and enhances power supply reliability.
3.The bypass load switch utilizes SF6 gas, known for its outstanding insulation and arc-extinguishing properties, combined with an advanced main circuit structure.
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Electric Operation Type
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Manual Operation Type
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Model Selection
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Rated
voltage
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Rated
current
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Type
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Model
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Rated
voltage
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Rated
current
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Type
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Model
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12 kV
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200 A
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Manual Operation
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AHSW-FLW-12/T200-40
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24 kV
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200 A
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Manual Operation
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AHSW-FLW-24/T200-40
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Electric Operation
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AHSW-FLW-12/J200-40
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Electric Operation
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AHSW-FLW-24/J200-40
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||||
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400 A
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Manual Operation
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AHSW-FLW-12/T400-40
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400 A
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Manual Operation
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AHSW-FLW-24/T400-40
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Electric Operation
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AHSW-FLW-12/J400-40
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Electric Operation
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AHSW-FLW-24/J400-40
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Rated Voltage
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12 kV
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24 kV
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Rated Current
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400/200 A
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Rated Frequency
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50/60 Hz
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Insulation
Performance
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Rated Impulse
Withstand Voltage
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Phase-to-ground
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75 kV
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125kV
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Between Terminals of the Same Phase
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95 kV
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145kV
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Rated Power Frequency
Withstand Voltage
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Phase-to-ground
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42 kV
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64kV
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Between Terminals of the Same Phase
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48 kV
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79kV
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Current OFF
and ON Capacity
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Load Current
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400/200 A
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Magnetizing Current
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21 A
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Cable Charging Current
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25 A
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Line Charging Current
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1.5 A
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Rated Short-time Withstand Current
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16 kA/3 s
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Rated Closing Current
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50 kA
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Gas Pressure
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Rated Pressure
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0.5±0.1 kg.f/cm²
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Explosion-proof Pressure
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4~6 kg.f/cm²
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Manual OFF/ON Force
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176±19 N
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Section 2：Bypass Cables
1.Model:AHCA-YK-10/200 Bypass Cable
 |
1.Quick plug-in power cable terminal.
2.Flexible power cables are connected to outdoor terminals through insulated connection clamps.
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2.Model:AHCA-KK-10/200 Bypass Connection Cable
 |
1.Designed for extending bypass cable lines.
2.Both ends can be quickly connected with self-locking quick plug-in intermediate connectors and bypass load switches.
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3.Model:AHCA-TK-10/200 AHCA-ZK-10/200 Ring Main Unit Transition Cable
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1.Designed for extending bypass cable lines.
2.Both ends can be quickly connected with self-locking quick plug-in intermediate connectors and bypass load switches.
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4.Model:AHCA-NK-10/200 Terminal Bypass Cable
 |
1.Designed for extending bypass cable lines.
2.Both ends can be quickly connected with self-locking quick plug-in intermediate connectors and bypass load switches.
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Section 3：Connectors
1.Both ends are designed to connect with bypass flexible cables; ensuring easy and secure locking after connection. The connector features a locking mechanism to prevent live separation when connected.
2.Suitable for conductor cross-sections of 50-150 mm², with a mechanical lifespan exceeding 3,000 cycles. Must be cleaned and lubricated with silicone grease before installation.
1.Model:AHCN-KK-10/200 Bypass Cable Straight Connector
2.Model:AHCN-KKK-10/200 Bypass Cable Branch Connector
Section 4：Accessories
1.Bypass Cable Anti-fall Rope
1.This tool is made of insulating material and includes three movable cable clamps.
2.It is used for securing cables during construction, with the end clamp capable of being fixed to a utility pole.
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Model
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AHSS-DLFZ-1
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AHSS-DLFZ-2
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Dimension
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1 m
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1.2 m
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Material
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Epoxy resin lock hook + moisture-resistant silk
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Wedge clamp + moisture-resistant silk
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Operating Voltage
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10 kV
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10 kV
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2.Bypass Cable Fixing Hanger
Used to hold and lock bypass cables, carry the weight of bypass cable, so that the clamp of lead cable does not bear the cable weight, protect the clamp of the lead cable, and extend the service life of the clamp.
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Model
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AHIS-DLFZ-2
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Dimensions
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290x114x1193 mm
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Electrical Performance
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45 kV/1 min/0.4 m
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Weight
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3.5 kg
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