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1500V 45A PBT Solar Junction Box for PV Systems, Pkg Qty 20

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Industrial · SKU: RM7604

1500V 45A PBT Solar Junction Box for PV Systems, Pkg Qty 20

Engineered for high-voltage photovoltaic arrays, this junction box delivers reliable performance with a 1500 V system voltage rating and 45 A current capacity.

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$99.99
$5.00/each(20 pcs/pkg)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 10-$99.99
11 - 50-5%$94.99
51+-10%$89.99
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Quick Answer

How Buyers Should Evaluate 1500V 45A PBT Solar Junction Box for PV Systems, Pkg Qty 20

Engineered for high-voltage photovoltaic arrays, this junction box delivers reliable performance with a 1500 V system voltage rating and 45 A current capacity. Use the quick checks below to decide whether direct checkout is enough or whether an RFQ will reduce sourcing risk.

Quick Spec Check

  • Voltage Rating: 1500 V
  • Current Rating: 45 A
  • Material: PBT

Purchase Details

  • Online price starts at $99.99.
  • Minimum order quantity: 1 unit.
  • Pack quantity: 20 / Each.
  • Lead time: 2-3 weeks.

Use RFQ When

  • Use RFQ when you need bulk pricing, alternate pack sizes, or multi-SKU comparison.
  • Request support when fit, material, or substitute selection needs confirmation before order.
  • Escalate to sourcing when timeline, freight, or stocking strategy matters more than one-off checkout speed.

Technical Specifications

Voltage Rating1500 V
Current Rating45 A
MaterialPBT
Max. Current45 A
System Voltage1500 V
Controller TypeJunction Box
Product Details

Full Description

Application context, construction notes, and selection details for evaluating fit before purchase or repeat ordering.

Overview

This high-performance junction box is engineered specifically for demanding utility-scale and commercial photovoltaic arrays. Designed to operate within 1500 V DC systems, the unit provides a critical interconnection point that ensures safe and efficient power transmission from solar modules to the inverter. The housing is constructed from premium Polybutylene Terephthalate (PBT), a thermoplastic polyester known for exceptional mechanical strength, dimensional stability, and resistance to harsh environmental factors including UV radiation, moisture, and extreme temperature fluctuations. With a continuous current carrying capacity of 45 A, this component supports high-power string configurations while maintaining low contact resistance to minimize energy loss. The compact box-type design facilitates streamlined installation and secure cable management, making it an ideal solution for developers seeking reliable, long-term durability in outdoor solar infrastructure.

Key Features

Rated for maximum system voltage of 1500 V DC to support modern high-efficiency PV modules Continuous current capacity of 45 A ensures stable performance under full load conditions Constructed from high-grade PBT material for superior thermal stability and impact resistance Optimized box-style form factor allows for easy mounting and protected wire termination Designed to withstand prolonged exposure to sunlight, rain, dust, and temperature extremes Maintains strict electrical safety standards for commercial and industrial solar applications Low contact resistance design maximizes overall array efficiency and reduces heat buildup

Specifications

System Voltage Rating: 1500 V DC Maximum Continuous Current: 45 A Housing Material: Polybutylene Terephthalate (PBT) Component Type: PV Junction Box Operating Environment: Outdoor rated for severe weather conditions Thermal Performance: High-temperature resistance suitable for rooftop and ground-mount installations Package Quantity: 20 units per pack

Applications

Utility-scale solar farms requiring 1500 V architecture Commercial rooftop photovoltaic installations Industrial solar power generation facilities Ground-mounted solar arrays in exposed environments High-current string interconnections for large-capacity inverters Retrofit projects upgrading legacy systems to higher voltage standards Solar canopies and carport structures needing robust connection points

Frequently Asked Questions

What are the maximum voltage and current ratings for this junction box?
This WEIDMULLER WM4 series junction box is rated for a system voltage of up to 1500 V and supports a continuous current of 45 A. Constructed from durable PBT material, it ensures reliable performance in high-voltage photovoltaic arrays.
In which solar applications is this connector box best suited?
Designed specifically for PV systems, this unit serves as a robust connection point for solar modules operating within 1500 V DC architectures. Its compact design makes it ideal for string combiner boxes or direct module integration where space is limited.
How are these units packaged and what is the order quantity?
The product is supplied in bulk packaging containing 20 individual junction boxes per pack to streamline large-scale installation projects. Each unit weighs approximately 3.5 oz, ensuring minimal impact on overall shipping weight while maintaining structural integrity.
1500V 45A PBT Solar Junction Box for PV Systems, Pkg Qty 20 | Machrio