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EATON Dry Type Distribution Transformer Primary Fuse Kits


Eaton dry-type distribution and control transformer primary fuse kits are designed to protect the transformer and the connected equipment from short-circuit and overcurrent faults that may occur in the primary circuit. Eaton PFK1 comprises a 2-pole Class CC fuse block, an instruction manual and mounting & wiring hardware. It incorporates a fuse (sold separately) that is rated for the specific transformer and mounted on the block that is installed on the primary side of the transformer. Model PFK1NR is compatible with non-rejection type MTE control trans...formers, providing safety and preventing damage.Read more

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EATON PFK1NRA
EATON PFK1B
StyleModelPrice
A
PFK1NR		€72.16
B
PFK1		-
RFQ

Working Mechanism

  • In the event of a short-circuit or overcurrent condition, the current flowing through the fuse exceeds its rated limit.
  • This causes the fuse element to melt and open the circuit.
  • As the element melts, it interrupts the current flow and prevents further damage to the transformer and connected equipment.

Frequently Asked Questions

What is the function of a 2-pole CC fuse block?

A 2-block Class CC fuse block is designed to hold and connect two Class CC fuses in an electrical circuit. It protects both the line and load sides of a circuit with a single device from faulty currents.

What are dry-type distribution transformers?

These transformers are used to step down the voltage in power distribution systems, commonly used in commercial and industrial facilities. They are called dry-type because they do not use liquid coolants such as oil or PCB, which causes a risk of fire hazards due to leakage or spills. Instead, they rely on air or gas for cooling and can be easily installed in tight spaces.

What are non-rejection transformers?

Non-rejection transformers do not have the ability to withstand momentary overload or overvoltage. They are designed to operate under normal steady-state conditions. Therefore, they require a primary fuse connection to protect them from damage due to electrical faults.

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