Wanptek KPS305D Variable Switching Regulated Digital Power Supply(0-30V-5A) 110v/220v

Detailed Specifications: KPS‑305D

From the official user manual (Jintaihua KPS305D):

• Input Voltage: AC 220 V, 50 Hz (selectable; can also support 110 V depending on variant).

• Output Voltage: 0 – 30 V (adjustable).

• Output Current: 0 – 5 A (adjustable).

• Voltage Resolution: 0.1 V.

• Current Resolution: 0.01 A.

• Ripple Voltage: ≤ 1 % Vpp.

• Load Regulation (CV mode): ≤ 1 % + 10 mV.

• Display: 3-digit LED (dual—shows voltage and current).

• Ripple & Noise: ≤ 1 mV.

• Voltage Display Accuracy: ±1 % + 1 digit.

• Current Display Accuracy: ±1 % + 2 digits.

• Operating Environment: –10 °C to 45 °C (14 °F to 113 °F), relative humidity ≤ 90 %.

• Storage Environment: –20 °C to 60 °C (–4 °F to 140 °F), humidity ≤ 80 %.

• Dimensions: ~81 mm × 220 mm × 165 mm.

• Package Weight: ~1.7 kg.

• Manufacturer: Jintaihua.

• Model No.: CE‑WMT‑642‑C.

From product retailers (Power Lab listing):

• Input Voltage: AC 110 V, 60 Hz (US) / 220 V, 50 Hz (EU) — selectable via switch.

• Voltage Resolution: 0.1 V; Current Resolution: 0.01 A.

• Ripple Voltage (Vpp): ≤ 1 %.

• CV Regulation: ≤ 1 % + 10 mV.

• Ripple Noise: ≤ 1 mV.

• Display: 3-digit LED.

• Accuracy: Voltage ±1 % + 1 digit; Current ±1 % + 2 digits.

• Operating Environment: –10 °C to 45 °C; RH ≤ 90 %.

• Storage Environment: –20 °C to 60 °C; RH ≤ 80 %.

• Size: ~80 × 230 × 165 mm; Weight: ~1.45 kg; Package Weight: ~1.83 kg.

From Test Instruments Pakistan (WANPTEK variant):

• Input Voltage: AC 110 V / 220 V, 50/60 Hz (selectable).

• Output: 0 – 30 V, 0 – 5 A.

• Resolutions: Voltage 100 mV, Current 10 mA.

• Power Regulation: CV ≤ 1 % + 10 mV.

• Ripple/Noise: Vpp ≤ 1 %.

• Accuracy: Voltage ±1 % + 1 digit; Current ±1 % + 2 digits.

• Dimensions: 81 W × 165 H × 220 L mm.

• Operating Temp: –10 °C to 45 °C; RL < 90%.

From Whizz Power Supplies (UAE, Eventek version) :

• Input Voltage: AC 110 V / 220 V ± 10% (50/60 Hz), selectable.

• Output Voltage: 0 – 30 V continuous.

• Output Current: 0 – 5 A.

• Efficiency: ≥ 89%.

• Display Resolution: Voltage 0.1 V; Current 0.01 A.

• Regulation: Voltage CV 0.1 % + 3 mV; Current CC < 0.5 % + 6 mA.

• Load Stabilization: CV 0.5 % + 1 mV; CC 0.5 % + 3 mA.

• Ripple / Noise: ≤ 0.5 % Vpp.

• Cooling: Intelligent temperature-controlled fan.

• Dimension: 8.8 × 3.2 × 6.5 inches (≈ 224 × 81 × 165 mm).

• Weight: 3.2 lb (~1.45 kg).

Summary Table of Key Specs