DC 12V Power Supply Adapter with On/Off Switch | 1A / 2A / 3A, AC 100–240V, 150cm Cable, EU & US Plug – LED Strips & More

Power On Your Terms — DC 12V Adapter with Built-In On/Off Switch

This DC 12V power supply adapter does everything a standard 12V adapter does — and adds one key convenience: a built-in on/off switch on the cable. Cut power to your LED strips, router, or other 12V device instantly without unplugging. Available in 1A, 2A, and 3A variants with a generous 150cm cable and universal AC 100–240V input for worldwide compatibility.

Key Features

• Built-In On/Off Switch — Inline switch on the cable lets you cut power instantly without unplugging; ideal for LED strips, desk setups, and any device you switch on/off frequently
• Universal AC Input — AC 100–240V, 50–60Hz; compatible with US, EU, and international electrical standards; works worldwide with the appropriate plug
• 1A, 2A, or 3A Output Options — Choose the current rating that matches your device’s requirements; higher amperage supports more power-hungry devices and longer LED strip runs
• DC 12V Stable Output — Regulated DC 12V output for consistent, reliable power delivery
• Standard 5.5mm Barrel Jack — 5.5×2.1–2.5mm output jack; compatible with the vast majority of 12V DC devices
• 150cm Cable Length — Generous 150cm cable gives you ample reach for most installation scenarios
• EU & US Plug Options — Available in EU and US plug configurations; select the correct plug type for your region
• Wide Operating Temperature — Operates from -20°C to +60°C; suitable for a wide range of indoor environments
• CE Certified — CE certified for safety and quality

Compatible Devices

Suitable for powering: LED strips and LED lighting, wireless routers, ADSL modems, network hubs and switches, security cameras, audio/video equipment, and other devices requiring DC 12V power with a 5.5mm barrel jack.

Specifications

• Input: AC 100–240V, 50–60Hz
• Output: DC 12V
• Current Options: 1A / 2A / 3A
• Output Jack: 5.5 × 2.1–2.5mm barrel jack
• Cable Length: ~150cm
• Switch: Built-in inline on/off switch
• Operating Temperature: -20°C to +60°C
• Plug Type: EU / US (select variant)
• Housing Material: Plastic
• Weight: ~100g
• Certification: CE
• Package Includes: 1 power supply + 1 power cord

Perfect For

LED strip lighting, home networking equipment, security systems, audio/video setups, and any indoor device requiring a reliable DC 12V power source with the added convenience of an inline switch. Explore our full home and lifestyle collection for more smart home and home improvement products. For LED strip power supply sizing tips, visit Waveform Lighting’s LED Power Supply Guide.

Makes a practical addition to any home improvement, smart home, or electronics toolkit.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.