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Feed unit for busbar trunk

Feed units for busbar trunking systems are critical components designed to inject electrical power into busbar trunking runs. These units, often referred to as tap-off units or feeder boxes, are engineered to handle specific current ratings, typically ranging from 63A to 1600A, depending on the system's requirements. They feature robust enclosur...

Feed units for busbar trunking systems are critical components designed to inject electrical power into busbar trunking runs. These units, often referred to as tap-off units or feeder boxes, are engineered to handle specific current ratings, typically ranging from 63A to 1600A, depending on the system's requirements. They feature robust enclosures with IP ratings from IP54 to IP65 for protection against dust and moisture, and include integrated circuit protection via molded case circuit breakers (MCCBs) or fuse switches. The units are available in 3P, 4P configurations, with voltage ratings up to 690V AC, and are designed for easy mechanical and electrical connection to the busbar system, often using plug-in or bolted connections. They support various mounting options, including wall or floor mounting, and can be equipped with accessories like auxiliary contacts, shunt trips, and undervoltage releases for enhanced control and safety.

These feed units are deployed across a wide range of industrial and commercial sectors, including manufacturing plants, data centers, commercial buildings, and infrastructure projects. They are essential in power distribution panels, motor control centers, and automation systems where reliable and flexible power distribution is required. In busbar trunking systems, they serve as the primary point of power injection, enabling efficient distribution to downstream loads such as machinery, lighting, and HVAC systems. Their modular design allows for easy integration into existing electrical networks, supporting both new installations and retrofits.

Key subcategories within this category include fixed feed units, plug-in feed units, and fused feed units. Common article codes often follow a pattern like "FFU-1600-4P" or "PFU-630-3P", where the prefix indicates the type (e.g., FFU for fixed feed unit, PFU for plug-in feed unit), followed by the current rating and number of poles. Other relevant codes include "FB-1250-4P" for feeder boxes and "TUF-800-3P" for tap-off units with fuses. These codes are standardized across manufacturers to simplify ordering and inventory management.

Partnering with Electric Automation Network ensures access to a comprehensive inventory of feed units with real-time pricing and availability. Our engineering team provides personalized technical support to help you select the right unit for your busbar system, considering factors like short-circuit capacity, voltage drop, and environmental conditions. We offer express worldwide shipping, ensuring your critical components arrive on time for project deadlines. Additionally, detailed technical documentation, including wiring diagrams and installation manuals, is available for every article, facilitating seamless integration into your electrical infrastructure.

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Manufacturer Code Reference Catalog Number Description Delivery Price

404482

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MOD ALIM REP HORIZ 250A/400A

Power module side to dealer row without a direct connection

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75201151

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LBPLUS 254-404 CENTRAL FOOD

Intermediate power block + 2 ends for LBplus LBA and LBB 4-conductor lighting channel

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75221151

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LBPLUS 258-408 CENTRAL FOOD

Intermediate power block + 2 end caps for LBplus LBA and LBB 6 and 8 conductor lighting channel

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75241151

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LBPLUS 634 CENTRAL FOOD

Intermediate Power Block + 2 End Caps for LBplus LBA634 & LBB634 Lighting Channel

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75201004

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LBPLUS 404 POWER LEFT NETWORK

Male + end end power block for LBplus LBA404 channel, LBB404

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75241004

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LBPLUS 634 POWER LEFT NETWORK

Male end-of-line power block + end cap for LBplus LBA634 and LBB634 channel

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75161002

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LBPLUS 254 LEFT FEED

End of line male + end power block for LBplus channel LBA252 , LBA254 , LBB252 , LBB254

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75221002D

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LBD 408 LEFT ALIMENT

Male + end end feed block for LBplus data channel LBD254 , LBD 256 and LBD406

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75161001D

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LBD 254 RIGHT ALIMENT

Standard Female + End Power Block for LBplus data LBD252 Channel

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75201001D

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LBD 404 RIGHT ALIMENT

Standard Female Power Block + End for LBplus Data Channel LBD402

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75201002D

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LBD 404 LEFT ALIMENT

Male + end end feed block for LBplus data channel LBD252, LBD402

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75201151D

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LBD 404 ALIMENT CENTRAL

Intermediate power block + 2 ends for LBplus data LBD252 , LBD402 channel

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75241001D

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LBD 634 RIGHT FOOD

Standard Female Power Block + End Cap for LBplus Data Channel LBD632

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75241002D

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LBD 634 LEFT ALIMENT

Male end-of-line power block + end cap for LBplus data LBD632 channel

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75241151D

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LBD 634 CENTRAL FEED

Intermediate Power Block + 2 End Caps for LBplus data LBD632 Channel

 		3 View Availability View Price

75161001

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LBPLUS 254 RIGHT FOOD

Standard female + end power block for LBplus channel LBA252, LBA254, LBB252, LBB254

 		3 View Availability View Price

75221004

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LBPLUS 408 ALIMENT. NETWORK. LEFT

Male end-of-line power block + end cap for LBplus LBA and LBB channel 6 and 8 conductors

 		3 View Availability View Price

75201003

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LBPLUS 404 POWER NET RIGHT

Standard Female + End Power Block for LBplus LBA404 Channel, LBB404

 		3 View Availability View Price

75221003

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LBPLUS 408 ALIMENT RED RIGHT

Standard Female + End Power Block for LBplus LBA & LBB Channel 6 - 8 Conductors

 		3 View Availability View Price

75241003

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LBPLUS 634 RIGHT MAINS FEED

Standard Female Power Block + End Cap for LBplus LBA634 & LBB634 Channel

 		3 View Availability View Price

75221001D

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LBD 408 RIGHT ALIMENT

Standard female + end feed block for LBplus data channel LBD254 , LBD 256 and LBD406

 		3 View Availability View Price

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