TPL-CV

Applications:	Telecom
Size / Dimension:	1.500" Dia x 1.252" L (38.10mm x 31.80mm)
Package / Case:	Cylindrical, Blade Terminal (Bolt)
Mounting Type:	Bolt Mount
Breaking Capacity @ Rated Voltage:	100kA
Operating Temperature:	--
Approvals:	CE, UR
Class:	--
Features:	--
Series:	Telpower® TPL
Response Time:	--
Voltage Rating - DC:	170V
Current Rating:	500A
Fuse Type:	Cartridge
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Time-Delay Plug-in Circuit-Voltage (TPL-CV) application field and working principle. TPL-CV is a kind of electrical specialty fuses that commonly used for circuit-voltage protection. TPL-CV fuses are placed in a printed circuit board (PCB) to protect it from potential harmful current over-loads and short circuits.

Applications

TPL-CV are used in a variety of applications, such as industrial control panels, communications hardware, gaming systems, and entertainment systems. They are typically placed on the primary line for over-current protection, on secondary lines for short-circuit protection, and on tertiary lines for over-voltage protection. In many cases, TPL-CV fuses are used in conjunction with circuit-breaker components to provide a level of extra protection. The purpose of circuit-breakers is to provide an alternate protection from over-current and high current flow. By using the circuit-breakers in conjunction with TPL-CV fuses, the power supply can be protected from surges, shorts, or unexpected power failures. TPL-CV fuses are specifically suited for fast-moving, high-voltage electrical and electronic applications. The circuits are designed to quickly respond to overloads and overvoltage condition, reset themselves after the event is over, and remain in the standby-mode after the event. This feature makes TPL-CV especially suitable for emergency power recovery systems in industries like power generation and storage, as well as for critical processes in various manufacturing and engineering processes.

Working Principle

TPL-CV fuses work on a principle known as "thermal self-time delay." When the fuse element is subjected to an over-current or over-voltage condition, it is designed to heat up and expand relatively quickly. This expansion initiates a small time-delay which allows for a slow build-up of current and voltage in the circuit during the over-load condition. During this time-delay, the circuit is not yet fully active, hence providing protection against the over-load before it reaches its maximum level. At the end of the time-delay period, the element will cool down and reset itself. This process will allow normal functioning of the circuit, however, if the level of current or voltage still remains too high, the fuse will shut it off to avoid further damage to the equipment.

Conclusion

TPL-CV fuses are an important component of circuit protection, providing an important safeguard against possible electrical over-loads and short circuits. Used in a variety of settings, they are an ideal component for applications that require extra protection and fast response to over-current and over-voltage conditions. Furthermore, TPL-CV fuses are also suitable for emergency power backup and critical processes in industries, as well as for high-voltage electrical and electronic applications.

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