The WANPTEK WPS1203H is a 120V 3A adjustable DC power supply designed for specialized testing, research, and industrial applications requiring extended voltage range. Offering an output range of 0–120V with a maximum current of 3A and total power of 360W, it is ideal for high-voltage circuit testing, component evaluation, laboratory experimentation, and educational use. This bench power supply features a dual LED display for accurate voltage and current readings, along with precise adjustment controls to fine-tune output parameters. Its built-in protection mechanisms ensure safe operation even under demanding conditions.
Features:
- Wide output voltage range from 0–120V
- Maximum current output up to 3A (360W total power)
- Dual LED digital display for voltage and current indication
- Fine and coarse control knobs for precise adjustments
- Stable output with low ripple and noise
- Constant Voltage (CV) and Constant Current (CC) modes
- Comprehensive protection against overload, short circuit, and overheating
- Compact and robust design suitable for labs, R&D, and training institutions

Specifications:
- Output Voltage Range: 0–120V
- Output Current Range: 0–3A
- Maximum Output Power: 360W
- Display Type: Dual LED (voltage and current)
- Voltage Resolution: ±0.1V
- Current Resolution: ±0.01A
- Output Type: Single channel
- Power Supply Type: Linear regulated
- Input Voltage: 220V AC
- Protection: Overload, short circuit, over-temperature
Package Includes:
1 × WANPTEK WPS1203H Adjustable DC Power Supply – 120V/3A
1 × Power Cord
1x Test line
1 × User Manual
Returns Policy
Due to the type of products we sell, we accept limited returns. Below are the conditions where we can accept a return request.
1. Damaged During Shipment
If you receive a product damaged during shipment, please notify us within the 3 days of you receive the product, supported by the proper pictures and description. Once our support team accept the return, we will provide a replacement or a complete refund including the return shipping cost.2. Wrong Item Shipped
If your item looks different from what is shown in the image on our website, we will take the item back and provide a refund or replacement as per your choice.
Limitation of Returns
We don't accept the returns for the products damanged by improper use of the product. Moreover we don't accept the return, if the ordered product is not fit for any specific application. Please read the product specifications and datasheet before selecting and ordering a product. Returns are accepted only with 3 days from the date of delivery.Shipping
We ship to all over India with free shipping on all prepaid orders above 500. For Cash on Delivery orders INR 80 will be charged for orders below INR 599 and INR 30 will be charged for the orders above 599. Please contact to our support team at support@quartzcomponents.com for any question related to shipping.
Please note that the Minimum Order Value is INR 500 for COD orders.