Wall Power Adapter: 12VDC, 3A, 5.5×2.1mm Barrel Jack, Center-Positive

Wall Power Adapter: 12VDC, 3A, 5.5×2.1mm Barrel Jack, Center-Positive
Pololu item #: 1467 228 in stock

Price break Unit price (US$)
1 9.95
10 8.95
50 7.95


backorders allowed

This UL-listed 36 W, “wall wart”-style switching power adapter supplies up to 3 A at a regulated 12 VDC. The AC adapter works with input voltages of 100 – 240 VAC and has a 1.5 m (5 ft) DC power cord that is terminated by a center-positive, 5.5 × 2.1 mm barrel connector.

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This UL-certified AC-to-DC converter gives you an easy way to power your DC electronics project from a US-style AC electrical socket. It uses a switching regulator to efficiently output up to 3 A at a near-constant regulated 12 VDC, even when no load is applied. The DC power cable is 5 ft (1.5 m) long and terminated with a center-positive, 5.5 × 2.1 mm barrel connector that works with the DC power adapter barrel jack as well as the barrel jack on many Arduinos and the BASIC Stamp discovery kit (we recommend the 9VDC 1A version for powering these two particular devices).

We have wall power adapters available in a range of voltages and maximum output currents:

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Wall Power Adapter: 5VDC, 3A, 5.5×2.1mm Barrel Jack, Center-Positive Wall Power Adapter: 5VDC, 3A, 5.5×2.1mm Barrel Jack, Center-Positive