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The CR2L-150 module is a kind of current fuse. Its main functions are as follows:

  1. Circuit Protection:
    o Overcurrent Protection: When an abnormally large current occurs in the circuit, such as in cases of short circuits or overloads, the CR2L-150 fuse will quickly blow, cutting off the circuit to prevent the excessive current from damaging other devices and components in the circuit, thus protecting the safety of the circuit and the connected equipment.
    o Reliable Protection for Semiconductor Components: For semiconductor components and other current-sensitive devices, this fuse can provide accurate and reliable protection, ensuring that the semiconductor components operate within the normal current range and avoiding damage due to abnormal currents.
  2. High Breaking Capacity: It has a relatively high breaking capacity. For example, at AC 250V, the breaking current can reach 100kA (symmetrical value), and it also has a relatively high breaking capacity at DC 400V. This means that even in the event of a severe overcurrent fault, it can safely and effectively cut off the circuit, preventing the expansion of the fault and the occurrence of danger.
  3. Adaptability to Multiple Circuit Environments: It is suitable for various circuit environments and can play a good protective role in both AC and DC circuits. Its rated current is 150A, which can meet the current protection requirements of circuits within a certain power range.
  4. Easy to Install and Maintain: It generally comes with L-shaped or other installation-friendly terminals. It is small in size and convenient to install. Moreover, during maintenance, the replacement of the fuse is relatively simple, enabling the quick restoration of the normal operation of the circuit.


In conclusion, the CR2L-150 module is mainly used for overcurrent protection of circuits, ensuring the safe and stable operation of circuits. It is widely used in various electronic devices, power systems, and occasions where high circuit protection requirements are imposed.