D4A PV Diode Connector

D4A PV Diode Connector

D4A is a diode connector designed for photovoltaic systems where diode-based electrical control is required within the PV connection. It provides a compact connection solution for solar PV applications while maintaining electrical insulation and outdoor environmental protection.

The D4A is rated for 1–8A and 1000V according to TÜV / 600V according to UL specifications. It uses tin-plated copper contacts, a Ø4 mm pin, and provides IP68 protection for outdoor PV applications.

The connector is specified for an ambient temperature range of -40°C to +85°C, with PPE insulation material, UL94-V0 flame classification, and Safety Class II.

Key Features

• Designed for photovoltaic diode connection applications
• 1–8A rated current
• 1000V TÜV / 600V UL rated voltage
• IP68 protection for outdoor environments
• Tin-plated copper contacts
• Ø4 mm pin
• Contact resistance <5mΩ
• Operating temperature: -40°C to +85°C
• PPE insulation material
• UL94-V0 flame class
• Safety Class II
• Low electrical power loss
• UV-resistant and aging-resistant outer housing

Low Electrical Loss

The D4A uses tin-plated copper contacts and is specified with a contact resistance of less than 5mΩ, helping maintain a low-resistance electrical connection.

What Is a PV Diode Connector?

A PV diode connector is a photovoltaic connection component that incorporates or provides a connection for a diode within a solar PV circuit. Diodes can be used in photovoltaic systems to control current flow and help protect PV components under specific electrical conditions.

The exact function of the diode depends on the electrical design of the PV module or system. The diode type and electrical rating should therefore be selected according to the application and system requirements.

PV Bypass Diode Connector

D4A can be used as a PV bypass diode connection solution for photovoltaic module applications. A bypass diode provides an alternative current path under specific operating conditions, helping reduce the impact of partial shading or other conditions that can affect a PV module or cell group.

The appropriate diode rating should be selected according to the PV module design, operating current, system voltage and applicable technical requirements.

Technical Data

Electrical Performance

D4A is rated for operating currents from 1A to 8A and up to 1000V under TÜV specifications / 600V under UL specifications. The tin-plated copper contact system provides a specified contact resistance of less than 5mΩ.

These electrical specifications should be considered together with the requirements of the PV module, cable and complete system when selecting the appropriate connector.

Outdoor Protection for Solar PV Applications

D4A is designed for outdoor photovoltaic environments with an IP68 protection rating and an ambient temperature range of -40°C to +85°C.

The outer housing is designed to resist UV exposure and aging, supporting the environmental requirements of solar PV installations.

Applications

Solar PV Modules

Designed for photovoltaic module connection applications where diode-based electrical control is required.

Residential Solar PV

Suitable for residential PV systems using appropriately specified diode connection components.

Commercial PV Systems

Suitable for commercial and industrial photovoltaic installations.

Distributed PV Systems

Suitable for distributed photovoltaic systems where the connector specifications match the system requirements.