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GYL9‑B Type B RCD Residual Current Device

GYL9-B Type B RCD is an advanced residual current protection device designed to detect and protect against AC, pulsating DC, and smooth DC leakage currents. It provides reliable electrical safety for EV charging systems, photovoltaic installations, energy storage systems, and industrial applications.
With high-sensitivity leakage detection and compliance with international safety standards, the GYL9-B Type B RCD ensures effective protection against electrical faults and helps improve the safety and reliability of modern power systems.

•Advanced Type B Leakage Protection: Detects AC, pulsating DC, and smooth DC residual currents to provide comprehensive electrical safety protection.
•Wide Application Compatibility: Designed for EV charging stations, solar PV systems, energy storage systems, and industrial electrical equipment.
•High-Sensitivity Current Detection: Provides accurate residual current monitoring to quickly respond to leakage faults and reduce electrical safety risks.
•Reliable Protection Performance: Helps protect users and equipment from electric shock, insulation faults, and DC leakage hazards.
•International Standard Compliance: Designed according to relevant IEC safety requirements to ensure reliable operation and consistent protection performance.
•Flexible Current Specifications: Available with different rated current options to meet various electrical system protection requirements.
•Compact DIN Rail Installation: Modular design enables easy installation and integration into distribution boards and electrical control systems.
•Enhanced DC System Safety: Suitable for modern power systems containing DC components, where traditional AC RCD protection may not provide sufficient protection.

Technical Specifications of GYL9-B Type B RCD

GYL9-B Type B RCD Overview

The GEYA GYL9-B Type B RCD is a high-performance residual current device designed to provide advanced electrical protection for modern power systems. It is specially developed for applications where both AC residual currents and DC leakage currents may occur.

Compared with standard residual current protection devices, the Type B RCD can detect smooth DC residual currents, making it an ideal protection solution for solar photovoltaic systems, EV charging stations, battery energy storage systems, and other power electronic applications.

With reliable residual current detection technology, stable electrical performance, and a compact modular design, the GYL9-B Type B RCD helps improve system safety and protect equipment from electrical faults caused by leakage currents.

The device is suitable for residential, commercial, and industrial electrical distribution systems requiring enhanced protection and reliable operation.

Outline Overall And Installing Dimensions

GYL9-B Type B RCD outline and installation dimensions

GYL9-B Type B RCD Technical Specifications

GYL9-B Type B RCD Technical Specifications

Technical Parameters Parameter Value
Rated Voltage (Un) 230/400V, 240/415V
Rated Current 16A, 20A, 25A, 32A, 40A, 63A, 80A, 100A
Rated Insulation Voltage (Ui) 500V
Rated Impulse Withstand Voltage (Uimp) 4kV
Rated Residual Operating Current (IΔn) 0.03A, 0.1A, 0.3A
Pole Number 1P+N, 3P+N
Residual Current Operating Type Type B
Operating Frequency 50/60Hz
Rated Limited Short-Circuit Current (Inc) 6000A, 10000A
Mounting Method TH35-7.5 Type Standard Guide Rail
Mechanical Life 10000 times
Electrical Life 4000 times

Applications of GYL9-B Type B RCD

Applications of GYL9-B Type B RCD

  • Solar PV Systems:
    Provides reliable residual current protection for photovoltaic systems, solar inverters, and renewable energy applications.
  • EV Charging Infrastructure:
    Suitable for electric vehicle charging stations requiring Type B residual current protection against DC leakage currents.
  • Battery Energy Storage Systems (BESS):
    Ensures electrical safety protection for energy storage systems and related power conversion equipment.
  • Industrial Electrical Systems:
    Designed for industrial equipment, automation systems, and applications with power electronic devices.
  • Commercial and Building Power Distribution:
    Suitable for distribution boards and electrical installations requiring enhanced residual current protection.
  • User Manual

GYL9-B Type B RCD FAQs

What is a GYL9-B Type B RCD?
The GYL9-B Type B RCD is an advanced residual current device designed to provide protection against AC residual currents, pulsating DC currents, and smooth DC leakage currents. It is suitable for modern electrical systems including solar PV systems, EV charging stations, and industrial applications where DC leakage protection is required.
Why is a Type B RCD required for solar PV systems and EV chargers?
Type B RCDs are required in applications where smooth DC residual currents may occur, such as solar inverters and EV charging equipment. Compared with standard RCD types, the GYL9-B provides enhanced protection by detecting both AC and DC leakage currents to improve electrical safety.
What is the difference between Type B RCD and Type A RCD?
The main difference is the type of residual current detection. Type A RCDs can detect AC and pulsating DC currents, while Type B RCDs can additionally detect smooth DC residual currents. Therefore, Type B RCDs are more suitable for solar PV systems, EV chargers, and power electronic equipment.
Where can GYL9-B Type B RCD be used?
The GYL9-B Type B RCD is widely used in solar photovoltaic systems, EV charging infrastructure, battery energy storage systems (BESS), industrial equipment, and electrical distribution systems requiring reliable residual current protection.
How to choose the right GYL9-B Type B RCD for my application?
The selection of a GYL9-B Type B RCD depends on factors such as rated voltage, rated current, residual operating current, system requirements, and application environment. GEYA provides technical support to help customers select suitable residual current protection solutions for different projects.

Get a Quote for GYL9-B Type B RCD

Ensure reliable electrical protection with GEYA GYL9-B Type B RCD, designed for solar PV systems, EV charging stations, battery energy storage systems, and modern electrical applications with DC leakage risks.

GEYA provides high-quality Type B residual current protection solutions with professional technical support, stable product performance, and flexible solutions for distributors, installers, and project partners worldwide.

Contact GEYA today to get product specifications, quotation details, and customized electrical protection solutions for your projects.

GYL9-B Type B RCD Detail Display

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