D4B PV Diode Connector
Last updated: October 2026
D4B is a 1500 V PV diode connector designed for photovoltaic applications, with a rated current of 30 A and IP67 protection. It features tin-plated copper contacts, a Ø4 mm pin and an operating temperature range of -40 °C to +85 °C, providing a connection solution for outdoor solar PV systems.
What is the D4B PV Diode Connector?
D4B is a 1500 V PV diode connector designed for photovoltaic applications, with a rated current of 30 A and IP67 protection. It features tin-plated copper contacts, a Ø4 mm pin and an operating temperature range of -40 °C to +85 °C, providing a connection solution for outdoor solar PV systems.
About the D4B PV Diode Connector
D4B PV diode connector for outdoor solar PV applications: 1500 V, 30 A, IP67, Ø4 mm pin. Request a quote.
Key Features
D4B PV Diode Connector
D4B is a diode connector designed for photovoltaic systems where a diode connection is required within the PV electrical circuit. It provides a compact connection solution for solar PV applications while supporting high-voltage and outdoor operating conditions.
The D4B is rated for 30 A and 1500 V, with IP67 protection and an operating temperature range of -40 °C to +85 °C. It uses tin-plated copper contacts and a Ø4 mm pin, with a specified contact resistance of less than 0.5 mΩ.
The connector housing uses Aluminum + PPO insulation material and has a UL94-V0 flame classification and Safety Class II design.
D4B PV Diode Connector technical data
Electrical, mechanical, material and environmental specifications for product selection and engineering review.
| Parameter | Value |
|---|---|
| Electrical | |
| Rated Current | 30 A |
| Rated Voltage | 1500 V |
| Test Voltage | 2.5KV (50HZ, 1min) |
| Contact Resistance | <0.5 mΩ |
| Safety Class | II |
| Materials & Cable | |
| Insulation Material | Aluminum+PPO |
| Contact Material | Copper, Tin plated |
| Pin Dimensions | Ø4mm |
| Environmental | |
| Degree Of Protection | IP 67 |
| Ambient Temperature Range | -40 °C~+85 °C |
| Flame Class | UL 94 V-0 |
Photovoltaic application scenarios
D4B 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.
Need D4B PV Diode Connector technical information or a quotation?
Send your cable size, required quantity, destination country and application so the suitable product configuration and documentation can be confirmed.