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High-Quality HD13BX Single Throw Rotary Knife Switch Manufacturer, Companies
High-Quality HD13BX Single Throw Rotary Knife Switch Manufacturer, Companies
High-Quality HD13BX Single Throw Rotary Knife Switch Manufacturer, Companies
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High-Quality HD13BX Single Throw Rotary Knife Switch Manufacturer, Companies
High-Quality HD13BX Single Throw Rotary Knife Switch Manufacturer, Companies
High-Quality HD13BX Single Throw Rotary Knife Switch Manufacturer, Companies

High-Quality HD13BX Single Throw Rotary Knife Switch Manufacturer, Companies

The HD13BX Single Throw Rotary Knife Switch provides reliable circuit isolation for industrial power systems, supporting 100A-2000A loads at AC380V with 1000V insulation. This single-throw rotary switch features a smooth rotating mechanism for precise operation, alongside high making/breaking capacity (up to 1500A) and short-time withstand currents up to 30kA. With 10,000 mechanical cycles and low operating force (≤400N), the HD13BX switch ensures durable performance in 50Hz applications. Its compact design and central handle operation make it ideal for distribution panels requiring safe, manual isolation and maintenance-free reliability.

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Product Description

Type Designation
Type Designation Chart
1Category Code: "HD" - Open-type Knife Switch
2Design Code: "11" - Central Handle Type; "13" - Central Lever Operation Mechanism Type
3"BX" indicates rotary operation type; Without "BX" indicates lever operation type
4Conventional Free-air Thermal Current (A)
5Number of Poles (1, 2, 3, 4)
6"0": without arc extinguishing device; "1": with arc extinguishing device.
For central handle: "8": front terminal; "9": rear terminal.
Technical Parameters
Conventional Free-air Thermal Current (A) 100200400600,630100015002000
Rated Operational Current (A)100200400600,630100015002000
Rated Operational Voltage (V)AC380V
Insulation Voltage (V)1000
Breaking Capacity (A) AC380V100200400600,63010001500-
Mechanical Endurance (ops)1000010000100005000500050003000
Electrical Endurance (ops)300200200200200100-
Short-time Withstand Current (kA)442025203024
Operating Force (N)≤300≤300≤400≤400≤400≤400≤400
Product Display
Knife Switch Display 1
Knife Switch Display 2
Knife Switch Display 3
Knife Switch Display 4
Knife Switch Display 5
Knife Switch Display 6
Outline and Installation Dimensions

↓ HD13 Central Lever Operation Mechanism Outline and Installation Dimensions Table

Dimensions Diagram 1
ModelSpec100A, 200A400A600A1000A
HD13 SeriesPoles2P3P4P2P3P4P2P3P4P2P3P4P
A190210300220245335240260360280320460
B200200200210210210294294294314314314
G Front350~370350~370350~370350~370

↓ HD13 Central Lever Operation Mechanism Knife Switch Outline Dimensions

Dimensions Diagram 2
ModelSpec1500A2000A3000A
HD13 SeriesPoles2P3P4P2P3P4P2P3P4P
A310350510450500680520600800
G Rear245~265245~265245~265
Frequently Asked Questions
What does the "HD" category code represent?
The "HD" code stands for Open-type Knife Switch, which is the primary category for this series of electrical components.
What is the difference between Design Code 11 and 13?
Code "11" refers to the Central Handle Type, while code "13" refers to the Central Lever Operation Mechanism Type.
What voltage levels are supported by these knife switches?
These switches are rated for an operational voltage of AC380V and an insulation voltage of 1000V.
How many poles are available for the HD13 series?
The series offers versatile configurations including 1, 2, 3, or 4 poles to suit different installation requirements.
What does the "BX" suffix indicate?
The "BX" suffix indicates that the switch is a rotary operation type. If the suffix is absent, it indicates a standard lever operation type.
Can these switches handle high thermal currents?
Yes, the series covers a wide range of conventional free-air thermal currents starting from 100A all the way up to 3000A.

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