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What is a PoE power supply device

July13, 2025

A PoE Power supply device is an electronic product based on Power over Ethernet technology, mainly used to provide power and data transmission services simultaneously for remote power-receiving devices (such as IP cameras, wireless aps, etc.) through network cables. According to power and application scenarios, it can be divided into different models such as 15-30W and 60-75W, and supports international standards such as IEEE 802.3af/at/bt. Some industrial-grade products feature metal casings and wide-temperature designs, adapting to harsh environments ranging from -40℃ to 65℃, and integrate functions such as lightning protection and surge protection. It is mainly applied in fields such as security monitoring and communication networks, featuring simplified wiring and other characteristics.

Product type and power

15-30W series: With flame-retardant plastic casing, it is suitable for indoor scenarios, with a maximum output power of 15W (EN15G-2 model) or 30W (PT-PSE110G-S model), a transmission distance of 100 meters (Cat5e/Cat6 cable), and supports gigabit rate.

60-75W series: Industrial-grade design, metal body heat dissipation, supports 4-wire pair power supply, some models integrate optical fiber ports and 6KV lightning protection, power coverage 60-75W.

Technical standards and certifications

It complies with the IEEE 802.3af/at/bt standard and is compatible with the PoE++ protocol.

Passed CE and FCC certifications.

Design and Function

Industrial-grade features: wide temperature range design (-40℃ to 65℃), DIN rail mounting, metal housing protection.

Safety protection: Built-in detection chip to prevent damage to non-poe devices, supports surge and lightning protection (up to 6KV).

Application scenarios

It is applicable to IP cameras, wireless aps, network phones and other devices, covering security, communication and other fields.

Industrial-grade models can be deployed in harsh environments such as high temperatures and dust, like 5G base stations.

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