DC Voltage Rotary Isolator Switches

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DC Rotary Isolators - Deligo (2)

DC Rotary Isolators - Live Electrical (2)

Deligo Photovoltaic (Solar) DC Rotary Isolator Switch – 16A

6 In stock

This item cannot be back-ordered

SKU: DSRI16

£24.05 £28.86

Deligo Photovoltaic (Solar) DC Rotary Isolator Switch – 25A

1 In stock

This item cannot be back-ordered

SKU: DSRI25

£26.32 £31.58

Live Electrical 4 Pole 25A DC Rotary Isolator

Live Electrical 4 Pole DC Rotary Isolator

Live Electrical 4 Pole 20A DC Rotary Isolator Switch

3 In stock

More Available within 1-2 Working Days*

SKU: RI20DC

£28.87 £34.64

Live Electrical 4 Pole 25A DC Rotary Isolator Switch

7 In stock

More Available within 1-2 Working Days*

SKU: RI25DC

£29.77 £35.72

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DC voltage rotary isolators, also known as DC isolator switches or DC disconnect switches, are electrical devices designed to provide a safe and reliable means of isolating DC (direct current) power sources or circuits. These isolators are used to disconnect DC power for maintenance, safety, or emergency purposes in various applications, including solar photovoltaic (PV) systems, battery storage systems, DC motor drives, and other DC-powered equipment. Here are key features and considerations related to DC voltage rotary isolators:

Voltage Rating: DC voltage rotary isolators are designed for specific DC voltage levels, ranging from low-voltage DC systems to high-voltage DC systems. It’s essential to select isolators that match the voltage of the DC power source or circuit they will be used with.
Current Rating: These isolators come in various current ratings to accommodate different load requirements, ranging from a few amperes to hundreds or even thousands of amperes.
Rotary Operation: DC voltage rotary isolators feature a rotary switch mechanism that allows users to disconnect the DC power by turning the switch from the “on” to the “off” position. The rotary operation provides a visible and mechanical means of isolation.
Polarity: Polarity is crucial in DC systems, and DC voltage rotary isolators are typically designed to maintain proper polarity when in the “off” position. This ensures that the positive and negative terminals remain correctly disconnected.
Lockable Handles: Many DC voltage rotary isolators come with lockable handles or mechanisms to prevent unauthorized access or tampering, enhancing safety and security.
Visible Switch Positions: These isolators often feature clear and visible switch positions (such as “on” and “off”) to indicate the status of the DC circuit. This helps personnel identify whether power is connected or disconnected.
Enclosure: The isolator switches are often housed in rugged enclosures made of materials such as thermoplastic or metal. These enclosures provide protection against environmental factors, dust, and moisture.
IP Rating: DC voltage rotary isolators are rated based on their degree of protection against dust and water ingress, using the IP (Ingress Protection) rating system. Common IP ratings for DC isolators include IP65 and IP66, providing varying levels of protection.
Mounting Options: They may be designed for wall mounting, surface mounting, or panel mounting, depending on the application and installation requirements.
Compliance with Standards: DC voltage rotary isolators should comply with relevant standards and regulations, ensuring electrical safety and proper performance in DC power systems.
Application: DC voltage rotary isolators are used in various applications where DC power isolation is required, such as disconnecting solar PV arrays from inverters, isolating batteries in energy storage systems, or disconnecting DC loads in industrial machinery.
Maintenance: Periodic inspection and maintenance are essential to ensure that DC voltage rotary isolators continue to function correctly and provide the necessary protection.

When selecting DC voltage rotary isolators, it’s crucial to consider factors such as the DC voltage level, current rating, environmental conditions, and specific application requirements. Properly chosen and installed DC isolators play a vital role in enhancing the safety and reliability of DC power systems.

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