High-Frequency Switching Rectifier Module

GF22020-10

The GF22020-10 high-frequency switching rectifier module utilizes advanced LLC resonant soft-switching technology for high efficiency and incorporates passive PFC (Power Factor Correction) technology to achieve a high power factor. It features a comprehensive built-in EMC design that meets the electromagnetic compatibility requirements of the GB/T 19826-2014 standard. Furthermore, the cooling fan operates under a combined temperature and current control mode, ensuring low noise and an extended fan service life.

Product Features

High Efficiency & Energy Saving

Adopts advanced LLC resonant high-frequency soft-switching technology, delivering high efficiency and high power density.

Safety & Reliability

Built-in short-circuit foldback protection, ensuring no damage even when the output is in a long-term short-circuit state.

The fan adopts temperature and current combined control for speed regulation, resulting in low noise and high reliability.

Comprehensive protection and alarm functions, including input over/under voltage, output overvoltage, over-temperature, and overcurrent protection.

Built-in anti-reverse connection protection, supporting live hot-plugging.

Excellent Performance

Wide input voltage operating range: 323VAC ~ 456VAC.

Comprehensive EMC design, meeting relevant standard requirements.

Intelligent & User-Friendly

Adopts LED display with 4-key operation, providing a user-friendly human-machine interface.

Built-in detachable dustproof net cover for easy maintenance.

Product Parameters

GF22020-10

General

Output Characteristics

Input Characteristics

Safety Protection

General

	Item	Specification
General	Model	GF22020-10
	Dimensions	88mm×177mm×400mm（W×H×D）
	Weight	≤7Kg

Output Characteristics

	Item	Specification
Output Characteristics	Rated Output	20A/234V
	Voltage Adjustable Range	198～286V
	Output Current Limit Range	10%～110% Rated Current
	Voltage Regulation Accuracy	≤0.5%
	Current Regulation Accuracy	≤±1.0%
	Ripple Coefficient	≤0.5%

Input Characteristics

	Item	Specification
Input Characteristics	Input Voltage	380VAC（-15%～+20%）
	Power Factor (PF)	≥0.9
	Conversion Efficiency	≥93%

Safety Protection

	Item	Specification
Safety Protection	Short Circuit Current	Foldback current ≤40% of rated current; auto-recovery
	Output Over-voltage Protection	300±5VDC; non-recoverable (locked-off)
	Input Under-voltage Protection	305±10VAC（Recovery: 315±10VAC）
	Input Over-voltage Protection	470±10VAC（Recovery: 450±10VAC）
	Over-temperature Protection	80℃±5（Recovery: 60℃±5）
	Cooling Method	Temperature and current-based joint control; linear speed adjustment