--- product_id: 82912417 title: "COOLM 48V 3A Power Supply Adapter 144W AC 100-240V DC 48 Volt 3 Amp Output Adaptor Interface 5.5 x 2.5mm Plug for PoE Switch PoE Injector Control Systems" brand: "coolm" price: "¥7743" currency: JPY in_stock: true category: "Coolm" url: https://www.desertcart.jp/products/82912417-coolm-48v-3a-power-supply-adapter-144w-ac-100-240v store_origin: JP region: Japan --- # 144W high power output Universal 100-240V AC input Multi-layer safety protections COOLM 48V 3A Power Supply Adapter 144W AC 100-240V DC 48 Volt 3 Amp Output Adaptor Interface 5.5 x 2.5mm Plug for PoE Switch PoE Injector Control Systems **Brand:** coolm **Price:** ¥7743 **Availability:** ✅ In Stock ## Summary > ⚡ Power your network like a pro — never miss a beat! ## Quick Answers - **What is this?** COOLM 48V 3A Power Supply Adapter 144W AC 100-240V DC 48 Volt 3 Amp Output Adaptor Interface 5.5 x 2.5mm Plug for PoE Switch PoE Injector Control Systems by coolm - **How much does it cost?** ¥7743 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/82912417-coolm-48v-3a-power-supply-adapter-144w-ac-100-240v) ## Best For - coolm enthusiasts ## Why This Product - Trusted coolm brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Upgrade without compromise:** Perfect replacement for lower amperage adapters, delivering stable power without forced amperage limits. - • **Plug & play with confidence:** Standard 5.5 x 2.5mm barrel connector fits most 48V PoE devices—no guesswork needed. - • **Power that keeps you connected:** Delivers a robust 48V DC at 3A, perfect for demanding PoE switches and injectors. - • **Global compatibility, zero hassle:** Wide 100-240V AC input supports seamless worldwide use without adapters. - • **Built to last, designed for safety:** CE, FCC, RoHS certified with overload, thermal, and short circuit protections for peace of mind. ## Overview The COOLM 48V 3A Power Supply Adapter is a high-performance 144W power solution designed for PoE switches, injectors, and surveillance systems. Featuring universal 100-240V AC input, a durable 5.5 x 2.5mm DC plug, and comprehensive safety certifications, it ensures reliable, global-ready power delivery with advanced protections against overload, thermal issues, and short circuits. Ideal for professionals seeking a dependable, plug-and-play upgrade to their network power infrastructure. ## Description Application: * Security and surveillance devices,Cameras, IP Camera,Computer Project, etc. * It applies to the 48V PoE injectors and switches with 4 Port, 8 Port, 12 Port, 16 Port injectors Specifications: Input Voltage: 100-240V AC 50/60Hz Output Voltage: 48V DC Output current: up to 3A Output Power: up to 144W MaxPole of DC plug: center positive(+), outside negative (-) DC Output Plug Size: 5.5mm x 2.5mmDC Cable length: about 3.6FT . AC Power Cord length about 3.9FT.It perfect replacement for 520mA / 1A / 1.25A / 1.3A / 1.35A / 1.5A / 1.875A / 2A / 2.5A as amperage isnt forced.(If your previous Adaptor was less than 3A then this will be a perfect replacement as amperage is NOT Forced). Product advantages The input voltage range is wide, all 100-240V, in line with global usage standards. Nickel-plated copper core plug interface, high temperature resistance, fireproof, wear resistant, non-deformable, normal insertion and removal. Bold insulated wire, not easy to break, prevent leakage and discharge. The high-precision card tail work is rigorous and meticulous, and the quality copper wire has good flexibility. Durable and not easy to break.Package List 1 x 48V 3A power adapter 1 x AC Power Cord ## Features - Input: 100V-240V 50 / 60Hz Output: DC 48V 3A, 144W; DC interface size: 5.5mm x 2.5mm. - It only works with most 48V PoE switches / PoE injector CCTV cameras / LED Display. Please confirm the power plug model before you buy it. - It perfect replacement for 520mA / 1A / 1.25A / 1.3A / 1.35A / 1.5A / 1.875A / 2A / 2.5A as amperage isnt forced.(If your previous Adaptor was less than 3A then this will be a perfect replacement as amperage is NOT Forced) - It are certified by CE / FCC / RoHS certification. We focus on providing quality power products and excellent customer service and Automatic overload cut-off, over voltage cut-off, automatic thermal cut-off, short circuit protection. - What You Get: 1 * DC 48V 3A power supply with Cord, Notice: Please check the specifications of your appliance, power input and output voltage and current parameters and DC interface before purchasing. If you do not understand, please contact us in time, we always adhere to and provide quality after-sales support ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07G21P3KD | | Additional Features | Short Circuit Protection | | Amperage | 3 Amps | | Brand | COOLM | | Color | 48V 3A Power Supply | | Compatible Devices | POE Routers Switches Control Systems / CCTV Camera | | Compatible Phone Models | incompatibility | | Connectivity Technology | Barrel Connector | | Connector Type | DC Power Plug | | Current | DC | | Current Rating | 3 Amps | | Customer Package Type | Standard Packaging | | Customer Reviews | 4.4 4.4 out of 5 stars (155) | | Enclosure Material | Plastic | | Frequency Range | 60 hertz | | Input Voltage | 120 Volts (AC) | | Item Weight | 0.51 Kilograms | | Main Power Connector Type | 2 Pin | | Manufacturer | COOLM | | Mfr Part Number | P-48V3A-C | | Model Name | 48V 3A Power Supply | | Model Number | YU4803 | | Mounting Type | Wall Mount | | Number of Items | 1 | | Number of Power Levels | 1 | | Output Current | 3 Amps | | Output Voltage | 48 Volts (DC) | | Portable | No | | Power Plug | Type C/EF - 2 pin (Europlug/FR-DE Hybrid) | | Power Source | Corded Electric | | Unit Count | 1.0 Count | | Warranty Description | 2 Years warranty | | Wattage | 144 watts | ## Product Details - **Amperage:** 3 Amps - **Brand:** COOLM - **Color:** 48V 3A Power Supply - **Compatible Devices:** POE Routers Switches Control Systems / CCTV Camera - **Compatible Phone Models:** incompatibility - **Connector Type:** DC Power Plug - **Input Voltage:** 120 Volts (AC) - **Number of Items:** 1 - **Special Feature:** Short Circuit Protection - **Wattage:** 144 watts ## Images ![COOLM 48V 3A Power Supply Adapter 144W AC 100-240V DC 48 Volt 3 Amp Output Adaptor Interface 5.5 x 2.5mm Plug for PoE Switch PoE Injector Control Systems - Image 1](https://m.media-amazon.com/images/I/61aahIkr3WL.jpg) ## Available Options This product comes in different **Color** options. ## Frequently Bought Together - COOLM 48V 3A Power Supply Adapter 144W AC 100-240V DC 48 Volt 3 Amp Output Adaptor Interface 5.5 x 2.5mm Plug for PoE Switch PoE Injector Control Systems - TRENDnet 10-Port Industrial Gigabit L2 Managed PoE+ DIN-Rail Switch, 8 x Gigabit PoE+ Ports, DIN-Rail Mount, 2 x SFP Slots, 24–57V DC Power Input, IP30, VLAN, Lifetime Protection, Black, TI-PG102i --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/82912417-coolm-48v-3a-power-supply-adapter-144w-ac-100-240v](https://www.desertcart.jp/products/82912417-coolm-48v-3a-power-supply-adapter-144w-ac-100-240v) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-07-06*