This is a DC power connection cable composed of a DC5521 connector and UL2464-certified 18AWG 2-core wire. It features high current-carrying capacity and safety compliance, making it ideal for power supply scenarios of medium-to-high power DC equipment. The DC5521 connector is a commonly used DC power interface with dimensions of 5.5mm outer diameter and 2.1mm inner diameter. It enables smooth plugging and unplugging with excellent locking performance, and is widely compatible with power female sockets of LED strips, surveillance cameras, and small industrial control equipment.
The DC5521 connector features an interface specification of 5.5mm outer diameter and 2.1mm inner diameter. Its housing is made of flame-retardant ABS plastic, and the internal terminals are constructed from nickel-plated copper, ensuring smooth plugging and unplugging with strong locking performance. Boasting a plug-in lifespan of over 5,000 cycles, it offers excellent oxidation and corrosion resistance.
The cable adopts 18AWG stranded oxygen-free copper conductors, with a rated current-carrying capacity of 3.5–4.0A. It can stably transmit 12V/24V DC voltage, meeting the power supply requirements of medium-to-high power equipment with low signal transmission loss.
This cable consists of two core components: first, the DC5521 connector, with an interface specification of 5.5mm outer diameter and 2.1mm inner diameter. Its housing is made of flame-retardant ABS plastic, and the internal terminals are crafted from nickel-plated copper, ensuring smooth plugging and unplugging with strong locking performance. Boasting a plug-in lifespan of over 5,000 cycles, it provides a stable fit with the DC female sockets of LED strips, surveillance cameras, and small industrial control equipment. Second, the UL2464-certified 18AWG 2-core wire, whose conductors are made of stranded oxygen-free copper, has a current-carrying capacity of approximately 3.5–4.0A and can efficiently transmit 12V/24V DC voltage. Both the insulation layer and sheath are made of PVC material, complying with the VW-1 flame retardant rating, with a temperature resistance range of -20℃~105℃, and featuring excellent wear and aging resistance.
This cable is widely applicable across multiple fields: it provides reliable power supply connections for small PLCs, DC relays and sensors in industrial equipment; supports stable power wiring for bullet cameras and NVRs (Network Video Recorders) in security & surveillance systems; enables convenient DC power extension for car refrigerators and driving recorders in automotive electronics; and serves as dedicated power connection cables for high-power LED strips and plant grow lights in lighting applications.
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Part name |
Material name and specifications |
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Product Model |
DC5521 UL2464 18AWG |
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Current |
3.5–4.0A |
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Rated voltage |
300V |
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Plating |
Gold Plated |
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Plastic material |
flame-retardant ABS plastic |
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Use time |
5000 times |
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Fire rating |
VW-1 flame retardant rating |
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Temperature range |
-20℃ to 105℃ |
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Wiring method |
welding |
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Wire gauge |
18AWG |
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Gender |
Male Female |
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