Price of 37mm power distribution box for construction sites

The price of a 37mm construction site power distribution box typically ranges from $150 to $500, depending on phase type, material, and safety features.OverviewA 37mm power distribution box is commonly used on construction sites to safely distribute electricity to tools, machinery, and temporary lighting. These boxes are designed to withstand harsh conditions such as dust, moisture, and mechanical impact, and often include circuit breakers, RCDs/GFCIs, and multiple outlet types for single-phase or three-phase power .Factors Affecting PricePhase Type and Voltage:Single-phase boxes (110–240V) for small to medium projects are generally less expensive.Three-phase boxes (400V) for heavy-duty equipment or large sites cost more due to higher amperage capacity and additional circuit breakers .Material and Durability:Boxes made from stainless steel or aluminum with IP65 or higher ratings for outdoor use are more costly.Standard sheet steel or thermoplastic enclosures are cheaper but may be suitable only for indoor or light-duty applications .Safety Features:Built-in circuit breakers, residual current devices, and overload protection increase the price.Explosion-proof or high-impact resistant models for hazardous environments are at the higher end of the range .Customization and Supplier:Custom configurations, such as specific outlet types, number of circuits, or integrated monitoring, can significantly affect cost.Prices vary by supplier and region, with bulk orders sometimes offering discounts .Typical Price RangeSmall single-phase boxes: $150–$250Medium three-phase boxes: $250–$400Heavy-duty or explosion-proof boxes: $400–$500+ For a 37mm box, which is generally a compact, portable unit suitable for small to medium construction tasks, the expected price is likely around $150–$300, depending on the features and supplier .RecommendationTo get an accurate price, it is best to contact suppliers directly, such as Alibaba, Walther Electric, or local industrial distributors, and specify:Phase type (single or three-phase)Number of circuit breakersIP rating and materialAny additional safety or monitoring features This ensures the box meets your site requirements and safety standards while providing a precise quote.