3101.0050

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A fuseholder is a device used to contain, store, and protect a fuse. The model number 3101.0050 is one particular fuseholder produced by Bussmann, and it is primarily used in residential or commercial lighting applications. This application note will explain its application field and working principle.

Application Field

The 3101.0050 is an external screw-class fuseholder specifically designed for use with Class CC size fast-acting fuses (sold separately). It has an interrupted rating of 10,000 Amps and is suitable for ac and dc applications. The 3101.0050 is UL and CSA listed for use up to 600 Volts. It is available in marine and AGN (agricultural & general) versions. It is a 4-pole mechanical interlock device used for branch and secondary protection. The screws are made of nickel-plated brass and accept wire range from #12 AWG to #2 AWG.

Working Principle

The 3101.0050 operates by using a mechanical interlocking mechanism that prevents the contact between the fuse body and the circuit until the fuse is properly installed, thus ensuring that the fuse will not be damaged or dislocated prior to being connected into the circuit. This particular model features an easy-to-grip thumb tab design and secure locking mechanism to ensure a secure connection every time.

When the fuseholder is not in use, the contact block is locked within the full-depth recess. The insertion of the fuse pushes the contact block away from the recess allowing the fuse to make contact. The thumb tab design makes it easy to push the contact into the recess to disconnect the fuse.

The fuseholder also features a thermal insulating sleeve which provides additional protection against dangerous electrical shock in the event of accidental contact. This feature places an added level of security and safety in the design, making it suitable for use in harsh industrial and outdoor environments.

Conclusion

The Bussmann 3101.0050 is a reliable external screw-class fuseholder designed for use with Class CC size fast-acting fuses. It is a 4-pole mechanical interlocking device with an interrupted rating of 10,000 Amps and suitable for both ac and dc applications up to 600 Volts. It is UL and CSA listed and features an easy-to-grip thumb tab design and secure locking mechanism for a secure connection every time. Additionally, it features a thermal insulating sleeve for added protection in the event of accidental contact. This makes it ideal for use in residential or commercial lighting applications in harsh industrial and outdoor environments.

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