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SP QB50 – 300W

AED: 505.00(Excl. VAT)

SKU: SP QB50 - 300W Categories: ,
Quick Specs
Input Power (W): 300 DC Voltage Range (VDC): 20 ~ 40 Max Flow Range (m3/hr): 2.0
Max Head Range (m): 30 Outlet Size (Inch): 1 Controller Type: Internal
Features
  • Voltage: 20–40 Vmp / 50 VOC — IDC max 10A — max input 0.3 kW
  • Max flow 2 m3/h (33 L/min) / Max head 30m / RPM 500–4000
  • Built-in controller — no external unit required
  • BLDC motor with MPPT and vector control — MPPT efficiency max 99%
  • Soft start / Dry run / Lost phase / Stall / Over-temperature protection

8 in stock

8 IN STOCK

Quantity

Introduction

The Maxima QB50-300W is a 300W DC solar surface pump delivering up to 2 m3/h flow and 30m
head, operating from a single 340W solar panel with a fully built-in controller.

General Description

The QB50-300W operates at 20–40 Vmp / 50 VOC with a maximum input current of 10A DC and a
maximum input power of 0.3 kW, recommended with 1 pc of 340W panel. It delivers a maximum
flow of 2 m3/h (33 L/min) at a maximum head of 30m. The controller is fully built-in — no external
unit required. The pump features a high-efficiency BLDC motor with MPPT and vector control,
MPPT efficiency max 99%, soft start, and a Rp 1″ × 1″ outlet. Motor speed 500–4000 RPM, max
water temp 40°C, insulation class F, IP54 rated. Pump unit weighs 3.6 kg. Copper impeller and cast
iron housing. CE and ISO 9001:2015 certified.

Single Panel Operation

Operates from 1 pc of 340W solar panel at 20–40
Vmp / 50 VOC — the lowest panel requirement in the range.

Built-in Controller

Fully integrated controller — no separate control unit,
wiring, or mounting required.

Compact and Lightweight

At 3.6 kg with built-in controller, it is the
lightest model in the Maxima surface pump range.

Weight 6.3 kg
Dimensions 0.305 × 0.16 × 0.2 mm

Data Sheet

6. QB50 Internal controller Datasheet
Forest
Maxima Solar Pumps – Data Sheet