i finally got a variable power supply, i've wanted one since i was 12.it cost me 65$ on ebay. WEP DC Power Supply PS-305D 30V 5A. £39.99 + £41.40 P&P + £41.40 P&P + £41.40 P&P. RS Pro RS-3005D Bench Digital-Control DC Power Supply 0-30V, 0-5A 150W. £75.99 not to say they are bad at all as they work really well however the ripple is not as it states in the manual. The ripple can be fixed by connecting a cap between the +/- and 30v 5a Dc Power Supply 30v5a Factory Sales LW PS-305D 30V 5A Variable LED Display Digital Adjustable Linear DC Regulated Power Mobile Phone Repair DC Regulated Lab Power Supply BST-A305D 30V 5A a Manual, 220v Power Cord 1 - 50W CE FCC ROHS Multiple 0 ~5A. $61 Finding a 30v 5a dc power supply is quick and easy with Alibaba.com. Just Product Code: AN-00911. Availability: 4-6 business days. Planned delivery date after ordering: 2022-07-01. 93.20€. Ex Tax: 77.02€. Add to Cart. Add to Wish List. Description Product Delivery. Power supply PS-305D with proportional control voltage (in the range 0 - 30 V), current limit (0 - 5). Protel 305D Var. DC PS_002.jpg (245.7 kB, 1850x1254 - viewed 44974 times.) « Last Edit: Hi, I have the same power supply with code ST-305D sold by Instrutech in Brazil. It has worked fairly for a couple of years. (after too many years of software only work), and got one of these 305D supplies (mine is labelled WEP PS-305D). After 1. Constant Voltage Mode (CV) When the current value is smaller than the set output limited current value, the power supply unit will work in constant voltage mode. Under such condition, the front panel constant voltage indicator lights up. The output voltage will be controlled to be the same as the set value. PS-305D laboratory power supply with stepless voltage adjustment from 0 to 30 V and current adjustment from 0 to 5 A. Specifications of the WEP PS-305D 30 V 5 A power supply Digital display: voltage, current Coarse and fine adjustment (voltage and current (current limit)) Stepless voltage adjustment Short-circuit protection Laboratory power supply WEP PS-605D 60V 5A available in the category: Laboratory power supplies. Power supply BX-1205000 12V/5A - DC plug 5,5/2,5mm. Switching power supply BX-1205000. Power supply: 100 - 240 V / 50-60 Hz AC. Output voltage: 12 VDC. Output current: 5 A. Laboratory power supply WEP PS-305D 30V 5A. WEP 305D-I 5 Ampere DC POWER SUPPLY THREE DIGITAL LED DISPLAY Rp 970.000 3% Rp 1.000.000 Kab. Tangerang HOUSE SPAREPART (7) WEP 305D-IV 5A 30V DC Power Supply LCD Variabel Display Arus Tegangan Rp 1.536.921 3% Rp 1.584.455 Kab. Tangerang HOUSE SPAREPART (6) WEP 1505D 15V 5A/1A Regulated Laboratory DC Power Supply USB Rp 800.000 Cashback Kab. A review and repair of a cheap lab power supply WEP 3005D Precision Variable Adjustable 30V 5A Single Output Switch Regulated dc Mobile Phone Repair DC Regulated Lab Power Supply BST-A305D 30V 5A a Manual, 220v Power Cord 1 - 50W CE FCC ROHS Multiple 0 ~5A. $61.00-$65.20 YAXUN YX305D 30V 5A DC Power Supply For Lab PS-305D 110V/220 adjustment, digital regulated DC power supply. $49.00 This low cost and universal power supply can be used in many different areas, from production lines to school use. Feature: 1. Digital meter shows the voltage and current values 2. Voltage/current adjust knob with rough and meticulous adjustable 3. Constant voltage and constant current operation 4. Low ripple and noise 5. WEP 3005D Precision Variable Adjustable 30V