Distribution Blocks

A distribution block, also known as a power distribution terminal block, or electrical power distribution block, is a crucial component in electrical systems designed to efficiently distribute power to multiple devices. Instead of wiring each device individually back to the power source, a distribution block allows you to use one large input wire to feed power to all connected devices. This simplifies wiring and saves space. Another key function of power distribution blocks is to isolate short circuits, preventing a complete system shutdown in case of a fault.

Types of Distribution Blocks

There are two main types of power distribution blocks.

Bussed Blocks

Bussed blocks, also known as enclosed distribution blocks, feature a common busbar that connects all the output terminals. This design allows a larger input cable to be split into smaller cables for branch circuits, efficiently distributing power to multiple devices. They are often used in applications where space is limited and a compact solution is required.

Independent Blocks

Independent blocks, also known as power distribution terminal blocks, provide isolated connections for each circuit. This means the individual circuits are not connected, allowing for greater flexibility and control. Independent blocks enable multiple individual circuits to be routed to a single location, making them suitable for applications where circuits need to be isolated or protected from each other.

Key Benefits of Power Distribution Blocks

Power distribution blocks offer significant advantages in various electrical applications. Here are some key benefits:

• Efficient Power Distribution: Power distribution blocks provide a centralised point for distributing power to multiple devices. This eliminates the need for individual wiring runs to each device, reducing clutter and simplifying your electrical setup. Distribution blocks ensure efficient power flow to all connected devices.
• Safety and Protection: Power distribution blocks enhance safety by isolating circuits and providing overcurrent protection. In the event of a short circuit or overload, the affected circuit is isolated, preventing damage to other devices and minimizing downtime. This feature is particularly crucial in industrial settings and applications with sensitive electronics.
• Cost-Effectiveness: By simplifying wiring and reducing the number of connections, electrical power distribution blocks can help lower installation costs. They also minimise the risk of wiring errors, reducing maintenance and troubleshooting expenses.
• Space Efficiency: Power distribution blocks offer a compact solution for organising and connecting multiple circuits. This is especially beneficial in applications where space is limited, such as control panels, junction boxes, and automotive installations.
• Versatility: Power distribution blocks are available in a wide range of types and configurations for different electrical systems, whether you need a DC distribution block for a 12-volt system or a high-current power distribution terminal block for industrial machinery.

Applications of Distribution Blocks

Power distribution blocks are versatile components used in a wide range of electrical systems to simplify wiring, improve safety, and enhance efficiency. Here are some common applications:

HVAC Systems

Distribution blocks are frequently used in heating, ventilation, and air conditioning (HVAC) systems to distribute power to various components such as thermostats, fans, and control units. They provide a central point for connecting multiple wires, simplifying installation and maintenance.

Power Distribution in Buildings

In residential and commercial buildings, distribution blocks play a crucial role in distributing power to lighting fixtures, outlets, and appliances. They help organise wiring and ensure efficient power flow throughout the building.

Renewable Energy Systems

Solar panels, wind turbines, and other renewable energy sources often utilise distribution blocks to connect and manage the generated electricity. They provide a safe and organised way to combine power from multiple sources and distribute it to the electrical grid or local loads.

Electric Vehicle Infrastructure

Charging stations for electric vehicles often incorporate distribution blocks to manage the high-power connections required for fast charging. They ensure safe and reliable power delivery to the vehicle while protecting the charging infrastructure.

Industrial Automation

Distribution blocks are essential components in industrial automation systems, where they distribute power to various sensors, actuators, and control devices. They help organise complex wiring and ensure reliable operation in demanding industrial environments.

Upgrade Your System with Reliable Distribution Blocks from RS New Zealand

RS New Zealand is your trusted supplier of electrical power distribution blocks. From DC to 12v blocks and other voltages, we stock one of the largest selections from leading brands such as Phoenix Contact, Schneider Electric, WAGO, and more.

Ordering and Delivery Information for Distribution Blocks in NZ

RS New Zealand offers fast and reliable delivery services for all our products. For more information about our delivery options and fees, please visit our delivery page.