Isolator Switches - Buy Electrical Isolator Switch Online - RS HK
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    Isolator Switches

    Isolator switches, also known as disconnect switches or circuit breakers, are electrical devices used to disconnect electrical circuits from their power source. They provide a means of isolating circuits or equipment for maintenance, repair, or safety purposes. Isolator switches are designed to interrupt the flow of electrical current and provide a physical barrier to prevent accidental contact with live electrical parts. They are commonly used in industrial, commercial, and residential settings to ensure the safety of personnel and equipment during maintenance or emergency situations.

    What are the benefits of Isolator Switches?

    • Safety - The primary advantage of isolator switches is enhancing safety. They provide a clear and reliable means of disconnecting power to equipment or circuits, reducing the risk of electric shock or accidents during maintenance or repairs.
    • Maintenance - Isolator switches allow equipment or circuits to be safely de-energized for maintenance or servicing. This ensures that technicians can work on the equipment without the risk of electric shock or damage.
    • Emergency Response - In the event of an emergency, isolator switches can quickly and easily disconnect power, preventing further damage or hazards.
    • Energy Management - Isolator switches can be used to control the energy supply to specific areas or equipment.
    • Fault Identification - Isolator switches often include indicators or visible disconnects, allowing for easy identification of whether a circuit or equipment is energised or de-energised.
    • Compliance - Isolator switches are frequently required by electrical safety codes and regulations to ensure proper safety measures are in place.

    Single-Phase and 3-Phase Isolator Switches: What are the Differences?

    Isolator switches are available in both single-phase and three-phase configurations, depending on the specific application and electrical system requirements.

    Single-Phase Isolator Switches

    These switches are designed for single-phase electrical systems, where power is supplied by a single line and a neutral conductor. They are commonly used in residential and small commercial applications where the electrical load is relatively low.

    3-Phase Isolator Switches

    These switches are designed for three-phase electrical systems, where power is supplied by three separate lines and a neutral conductor. Three-phase systems are commonly used in industrial, commercial, and larger residential applications due to their higher power requirements.

    Industrial Applications of Isolator Switches

    Isolator switches are essential in various industrial settings, ensuring safety and control by disconnecting electrical circuits for maintenance or emergencies.

    • Electrical Distribution Systems: Isolator switches are used to safely disconnect sections of electrical grids, such as transformers and circuit breakers, allowing for targeted maintenance and repairs without powering off the entire network.
    • Industrial Machinery and Equipment: In industrial environments, electrical isolator switches provide a reliable means to isolate specific parts of a machine or equipment during servicing, ensuring the safety of maintenance personnel.
    • Renewable Energy Systems: Isolator switches play a critical role in renewable energy systems, such as solar and wind, by disconnecting and isolating power sources for maintenance and system upgrades.
    • HVAC Systems: Power isolator switches are used in HVAC systems to isolate specific components, such as compressors and fans for safe maintenance and repairs.
    • Manufacturing and Process Industries: 3 phase isolator switches are essential for isolating high-power machinery, such as conveyor systems and industrial mixers, ensuring operational safety during maintenance and preventing accidental restarts.
    • Data Centres: Single phase isolator switches are used in data centres to isolate and protect critical servers and networking equipment, ensuring uninterrupted operations and enabling safe maintenance.

    How to Choose the Right Isolator Switch for Your Needs

    When it comes to choosing your isolator switch, it is vital to take note of the following factors below, so your purchase will be best suited for your personal needs. Here is a quick and informative guide on what to consider:

    Number of Poles

    The number of circuits that needs to be de-energised at any given time will determine the number of poles required in an electrical isolator switch. This means a single-pole isolator switch can control a single circuit, while a 4-Pole Isolator Switch (or known as an all-pole isolating switch) will have the ability to disconnect four conductors at the same time.

    Power Rating

    Our isolator switches are designed with a range of maximum power ratings, which indicate the highest level of electrical power the switch can handle when closed (carrying current), that allows for the safest operation. This is usually expressed in amperes (A) or kilovolt-amperes (kVA).

    Voltage Rating

    Similarly, the voltage rating of an isolation switch is the maximum voltage that it can safely withstand when open (not carrying current). Exceeding this number could damage the switch or cause electrical hazards.

    **Mounting Types **

    Isolator switches come in a multitude of mounting types, depending on how they are installed. For instance, there are the Panel Mount, Wall Mount, DIN Rail Mount, Surface Mount, Screw Mount, Side Mount, and many more tailored to specific spaces.

    At RS Hong Kong, we offer top-quality electrical isolator switches for valuable prices. Whether they are for your own home or a larger company space, we can ensure a suitable match.

    How to order an Isolator Switch from RS

    RS Hong Kong is a verified supplier of isolator switches. We carry a variety of trusted isolator switches from trusted manufacturers, such as Kraus & Naimer, Schneider Electric, Eaton, and more. To purchase your isolator switches, simply place your order on our website for fuss-free delivery, or give us a call at 852 2421 9898 if you are buying in bulk.

    How Delivery Works at RS Hong Kong

    RS Hong Kong offers a swift and efficient delivery process to ensure your isolator switch orders are promptly fulfilled. Choose from a wide range of delivery options to suit your timelines and budget. For a detailed overview of all our delivery services, please visit our delivery information page.

    2715 Products showing for Isolator Switches

    ABB
    -
    4P
    80A
    Base Mounting
    IP20
    37kW
    750V ac
    3
    -
    -
    -
    -
    -
    Enclosed
    80A
    92mm
    64mm
    -
    -
    -
    73mm
    -
    ABB
    -
    2
    16A
    DIN Rail
    IP20
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Schneider Electric
    -
    3P
    100A
    DIN Rail
    IP20
    -
    415V
    -
    -
    -
    3NO
    Acti 9
    iSW
    Enclosed
    5kA
    54mm
    82mm
    -
    Yes
    Green Premium
    70mm
    -
    ABB
    -
    4P
    200A
    Surface Mount
    IP00
    110kW
    -
    -
    -
    1SCA022710R0610
    NO
    -
    OT
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Siemens
    -
    4P
    63A
    -
    -
    -
    -
    -
    -
    5TL
    -
    SENTRON
    5TL
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Eaton
    -
    3 pole + N
    63A
    Rear Panel
    IP65
    30kW
    690V ac
    1, 3
    Black
    P3-63
    -
    -
    P3
    Enclosed
    640A
    147mm
    90mm
    -
    -
    -
    102mm
    -
    Schneider Electric
    Accepts Padlocks
    3P
    125A
    Panel Mount
    IP20, IP65
    45kW
    690V ac
    3
    Red
    -
    3NO
    TeSys
    VARIO
    Enclosed
    8kV
    125mm
    90mm
    -
    Yes
    Green Premium
    -
    -
    Schneider Electric
    Accepts Padlocks
    3P
    40A
    Panel Mount
    -
    11kW
    690V ac
    3
    Black
    -
    -
    TeSys
    VARIO
    -
    8kV
    60mm
    -
    -
    Yes
    Green Premium
    -
    -
    Socomec
    -
    3P
    800A
    DIN Rail
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    ABB
    -
    3 + N
    100A
    Wall Mount
    -
    -
    -
    3
    -
    -
    -
    -
    OS100TPN
    Enclosed
    -
    -
    -
    -
    -
    -
    -
    -
    Schneider Electric
    Accepts Padlocks
    3P
    63A
    -
    IP40
    30kW
    250 V dc, 500V ac
    3
    Black
    -
    -
    -
    -
    -
    75kA
    90mm
    81mm
    -
    -
    -
    62.5mm
    -
    Eaton
    Accepts Padlocks
    3P
    125A
    -
    IP65
    59kW
    690V
    3
    Red
    -
    -
    -
    -
    -
    125A
    200mm
    280mm
    -
    -
    -
    160mm
    -
    Schneider Electric
    -
    4
    200A
    -
    -
    -
    -
    -
    -
    -
    -
    Compact
    -
    Enclosed
    -
    -
    -
    -
    -
    -
    -
    -
    ABB
    -
    4P
    125A
    Base Mounting
    IP20
    45kW
    750V ac
    3
    -
    -
    -
    -
    -
    Enclosed
    2.5kA
    100mm
    97mm
    -
    -
    -
    74mm
    -
    RS PRO
    Accepts Padlocks,Auxiliary Contacts Available
    3P
    40A
    Panel Mount
    IP54
    -
    690V ac
    3
    Red
    -
    -
    -
    -
    -
    30kA
    220mm
    145mm
    -
    -
    -
    90mm
    -
    Schneider Electric
    Accepts Padlocks
    3P
    40A
    Fixed
    IP40
    220kW
    250 V dc, 500V ac
    3
    Black
    -
    -
    ComPact
    -
    -
    75kA
    90mm
    81mm
    -
    -
    -
    62.5mm
    -
    Schneider Electric
    -
    3P
    175A
    -
    IP65
    45kW
    -
    -
    -
    VBF6
    -
    TeSys
    VARIO
    -
    -
    -
    -
    -
    Yes
    Green Premium
    -
    -
    ABB
    -
    3
    40A
    Base Mounting
    IP20
    11kW
    690V ac
    -
    Black
    OT40F3C
    -
    -
    OT
    Enclosed
    -
    68mm
    70mm
    -
    -
    -
    68mm
    -
    Siemens
    Accepts Padlocks
    3P
    25A
    Panel Mount
    IP65
    9.5kW
    690V ac
    3
    Red
    -
    -
    SENTRON
    3LD
    -
    -
    67mm
    67mm
    -
    -
    -
    50mm
    -
    ABB
    -
    4P
    25A
    Screw Mount
    IP65
    7.5kW
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
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