Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
GW4-252 Outdoor AC HV Disconnector: Double-column horizontal opening, fully sealed bearing structure, thrust and radial ball bearings, self-lubricating sleeve, stainless steel shaft pin, molybdenum disulfide lithium grease, contact finger pairing, grounding switch interlock, CS14G/CS17G/CJ6 mechanism, dust moisture prevention.
Advanced GW4-252 Double-Column Horizontal Opening Disconnector: Complete set composed of GW4-252 isolating switch body, CS14G or CS17G human operating mechanism or CJ6 electric mechanism with transmission accessories, double-column horizontal opening type with each single stage composed of base, column insulator, outlet seat and contact, two column insulators installed on bearings parallel to each other perpendicular to base with main conductive part rotating about 90° with pillar insulator, fully sealed bearing seat structure preventing dust, moisture and harmful gases from entering bearing seat causing jamming.
Superior Bearing and Contact Design Features: GW4-252 incorporates thrust ball bearings and radial ball bearings separating gravity and horizontal force ensuring operating torque will not increase after long-term operation, two shaft assemblies connected through connecting plates and adjusting screws using stainless steel shaft pin and self-lubricating sleeve with high-efficiency molybdenum disulfide lithium-based grease, contact fingers assembled in pairs with springs clamping contact finger base and contact head preventing wear increasing service life, grounding switch interlocking with main conductive circuit through sector plate and arc plate ensuring main circuit cannot close when grounding switch closed, providing reliable outdoor AC disconnector solution for 252kV power systems.
| GW4-252 Outdoor AC HV Disconnector Specifications | Parameter | Unit |
|---|---|---|
| Brand | Bepto Insulation Systems | – |
| Model Number | GW4-252 | – |
| Category | Switchgear & High Voltage Disconnector | – |
| Product Type | Outdoor AC HV Disconnector (252kV Double-Column Horizontal Opening) with Fully Sealed Bearing, Thrust Radial Ball Bearings, Self-Lubricating Sleeve and Grounding Switch Interlock | – |
| Core Technology | Complete Set with CS14G/CS17G Human Operating Mechanism or CJ6 Electric Mechanism + Double-Column Horizontal Opening Type + Base Column Insulator Outlet Seat Contact Composition + Two Column Insulators Parallel Installation Perpendicular to Base + Main Conductive Part 90° Rotation with Pillar Insulator + Fully Sealed Bearing Seat Structure + Dust Moisture Harmful Gases Prevention + Thrust Ball Bearings and Radial Ball Bearings + Gravity and Horizontal Force Separation + Operating Torque No Increase After Long-Term Operation + Connecting Plates Adjusting Screws Connection + Stainless Steel Shaft Pin + Self-Lubricating Sleeve + High-Efficiency Molybdenum Disulfide Lithium-Based Grease + Copper Braided Tape Outlet Seat + Contact Fingers Paired Assembly + Springs Clamping Contact Finger Base and Contact Head + Wear Prevention Service Life Increase + Grounding Switch Interlocking with Main Conductive Circuit + Sector Plate and Arc Plate Interlock Mechanism | – |
| Rated Voltage | 252 | kV |
| Installation Type | Outdoor | – |
| Current Type | AC (Alternating Current) | – |
| Opening Type | Double-Column Horizontal Opening | – |
| Complete Set Composition | GW4-252 Isolating Switch Body + CS14G or CS17G Human Operating Mechanism or CJ6 Electric Mechanism + Transmission Accessories | – |
| CS14G Human Operating Mechanism | Yes (Can Be Equipped with CS14G Type) | – |
| CS17G Human Operating Mechanism | Yes (Can Be Equipped with CS17G Type) | – |
| CJ6 Electric Mechanism | Yes (Can Be Equipped with CJ6 Type Electric Mechanism) | – |
| Double-Column Horizontal Opening | Yes (Isolating Switch is Double-Column Horizontal Opening Type) | – |
| Single Stage Composition | Yes (Each Single Stage Composed of Base, Column Insulator, Outlet Seat and Contact) | – |
| Two Column Insulators Parallel Installation | Yes (Two Column Insulators Installed on Bearings at Both Ends of Base Parallel to Each Other Perpendicular to Base) | – |
| Main Conductive Part 90° Rotation | Yes (Main Conductive Part Installed Above Two Insulators Rotates About 90° with Pillar Insulator) | – |
| Fully Sealed Bearing Seat Structure | Yes (Bearing Seat Designed with Fully Sealed Structure) | – |
| Dust Moisture Harmful Gases Prevention | Yes (Can Prevent Dust, Moisture and Harmful Gases from Entering Bearing Seat Causing Jamming) | – |
| Thrust Ball Bearings | Yes (Bearing Seat Equipped with Thrust Ball Bearings) | – |
| Radial Ball Bearings | Yes (Bearing Seat Equipped with Radial Ball Bearings) | – |
| Gravity and Horizontal Force Separation | Yes (Gravity and Horizontal Force of Isolating Switch Borne by These Two Special Bearings) | – |
| Operating Torque No Increase | Yes (Operating Torque of Isolating Switch Will Not Increase After Long-Term Operation) | – |
| Connecting Plates and Adjusting Screws | Yes (Two Shaft Assemblies of Each Pole Connected and Driven Through Connecting Plates, Adjusting Screws) | – |
| Stainless Steel Shaft Pin | Yes (Adopts Stainless Steel Shaft Pin) | – |
| Self-Lubricating Sleeve | Yes (Adopts Self-Lubricating Sleeve) | – |
| High-Efficiency Molybdenum Disulfide Lithium-Based Grease | Yes (Lubricant is High-Efficiency Molybdenum Disulfide Lithium-Based Grease) | – |
| Copper Braided Tape Outlet Seat | Yes (Copper Braided Tape in Outlet Seat Fastened to Conductive Rod and Terminal Board) | – |
| Terminal Board for Line Connection | Yes (Terminal Board Used by Users to Connect Lines) | – |
| Contact Fingers Paired Assembly | Yes (Contact Fingers of Middle Contact Part Assembled in Pairs) | – |
| Springs Clamping Contact Finger Base and Contact Head | Yes (Springs Make Contact Fingers Clamp Contact Finger Base and Contact Head) | – |
| Wear Prevention Service Life Increase | Yes (Prevent Wear Between Contacts and Contact Fingers and Increase Service Life) | – |
| Grounding Switch Interlocking | Yes (When Equipped with Grounding Switch, Interlocking Between Main Conductive Circuit and Grounding Switch) | – |
| Sector Plate and Arc Plate Interlock | Yes (Interlocking Ensured by Sector Plate and Arc Plate on Base) | – |
| Main Circuit Closed Grounding Switch Cannot Close | Yes (When Main Conductive Circuit is Closed, Grounding Switch Cannot Be Closed) | – |
| Grounding Switch Closed Main Circuit Cannot Close | Yes (When Grounding Switch is Closed, Main Circuit Cannot Be Closed) | – |
| Complete Set Composition | Components |
|---|---|
| Main Body | GW4-252 Isolating Switch Body |
| Human Operating Mechanism | CS14G or CS17G Type |
| Electric Operating Mechanism | CJ6 Type (Optional) |
| Accessories | Transmission Accessories |
| Single Stage Composition | Components |
|---|---|
| 1 | Base |
| 2 | Column Insulator |
| 3 | Outlet Seat |
| 4 | Contact |
| No. | Features of GW4-252 Series Disconnector |
|---|---|
| 1 | Double-column horizontal opening type structure |
| 2 | Fully sealed bearing seat structure preventing dust, moisture and harmful gases |
| 3 | Thrust ball bearings and radial ball bearings separating gravity and horizontal force |
| 4 | Operating torque will not increase after long-term operation |
| 5 | Stainless steel shaft pin and self-lubricating sleeve |
| 6 | High-efficiency molybdenum disulfide lithium-based grease |
| 7 | Contact fingers assembled in pairs with springs preventing wear |
| 8 | Grounding switch interlocking with main conductive circuit through sector plate and arc plate |
Bepto is a leading Chinese company in electrical insulation, focused on developing advanced solutions for future power systems. We support transmission and distribution safety and growth, with long-term partners including State Grid, ABB, Schneider, Siemens, and GE. Our services reach clients in over 22 countries.
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Bepto focuses on the global market and provides our clients with products suitable for the local market:
Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
