D4A PV Diode Connector
Last updated: October 2026
D4A is a PV diode connector designed for photovoltaic applications, with a 1–8A rated current, 1000 V TÜV / 600 V UL rated voltage and IP68 protection. It features tin-plated copper contacts, a Ø4 mm pin and an operating temperature range of -40 °C to +85 °C.
What is the D4A PV Diode Connector?
D4A is a PV diode connector designed for photovoltaic applications, with a 1–8A rated current, 1000 V TÜV / 600 V UL rated voltage and IP68 protection. It features tin-plated copper contacts, a Ø4 mm pin and an operating temperature range of -40 °C to +85 °C.
About the D4A PV Diode Connector
D4A PV diode connector for solar applications: 1–8 A, 1000 V TÜV / 600 V UL, IP68, Ø4 mm pin. Request a quote.
Key Features
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 1000 V according to TÜV / 600 V 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.
D4A PV Diode Connector technical data
Electrical, mechanical, material and environmental specifications for product selection and engineering review.
| Parameter | Value |
|---|---|
| Electrical | |
| Rated Current | 1-8 A |
| Rated Voltage | 1000 V (TUV) 600 V (UL) |
| Test Voltage | 8 kV (TUV50HZ,1min) |
| Contact Resistance | <0.5 mΩ |
| Safety Class | II |
| Materials & Cable | |
| Insulation Material | PPE |
| Contact Material | Copper, Tin plated |
| Pin Dimensions | Ø4mm |
| Environmental | |
| Degree Of Protection | IP 68 |
| Ambient Temperature Range | -40 °C~+85 °C |
| Flame Class | UL 94 V-0 |
Photovoltaic application scenarios
D4A PV Diode Connector is suitable for residential, commercial, utility-scale and compatible solar energy storage connection applications.
Residential Solar PV
Reliable cable connections for rooftop solar systems and residential photovoltaic installations.
Commercial & Industrial PV
Suitable for commercial rooftop systems and larger distributed PV installations requiring high-current connections.
Utility-Scale Solar Power Plants
Designed for high-voltage PV systems and large-scale solar installations where reliable outdoor connections are essential.
Solar Energy Storage
Can be used in compatible solar energy and energy storage connection applications according to system requirements.
Explore PV connection solutions
Navigate to related Treasol product categories for complete photovoltaic connection systems.
Related reading
Background reading on selection, installation and quality control for this product category.
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