
Resistor Box
Factory Direct · corrugatedResistor Box
Efficient thermal dissipation · corrosion-resistant outer enclosure · custom non-standard — robust performance · safety and reassuring · invoice supported

Efficientthermal dissipation holes — flowing airrapidlyinternalremoves heatamount
Top / bottom / side of the enclosure use large-area stamped thermal dissipation hole arrays, paired with internal convection ducts design, allowing internal hot air to be quickly carried away by flowing air. EvenMakelong-termfull-load operation, resistance corebodyTemperatureByYesAvailableControl, AvoidFreeheat accumulationProductMakeBecomeResistancedriftMoveandlifetimelifebelowlower.

corrosion-resistantouter enclosurebaked enamel — overallEnclosuredesign is elegant and substantial
Outer enclosure uses cold-rolled reinforced steel; surface is phosphate-treated and baked-enamel coated, with strong adhesion, salt-spray and moisture-resistance — paint will not easily peel or rust over long-term use. OverallEnclosureSquarePositiveelegant, reserved standardinstallationPinandwiringHolePosition, SinglePersoncan beCompleteBecomeabovewallorfallGroundinstallation; corrosion-resistantMoredurable, installationSquareEasy.

Practical · craftsmanship quality — Six core advantages
① Premium materials: cold-rolled steel + high-temperature ceramic core + tin-plated copper terminals; ② Reinforced enclosure: reinforced stamped steel plate, no deformation under vibration; ③ EffectiveRateImproveRise: natural cooling / strongUrgentWindColdavailable, HeatResistanceShowremarkablelowerLow; ④ Qualityensures: 12 MonthQualityProtect, EachStageFullInspectfactory shipped; ⑤ Structurerobust: internalresistance corebodymultiPointFixed, longRouteOperationLosenotLooseMove; ⑥ ApplicationsWide: inverter braking / ServoServiceenergy dissipation / ElectricMachinestart-up / powerfiltering / load testingetcmultiple scenariossuit.
Basic Parameters
| Parameter | Specification |
|---|---|
| Name | brakingResistor Box (Braking Resistor Box) |
| Material Material | Alloy spray-coated enclosure · high-temperature corrugated resistor |
| Resistance Resistance | 1 Ω ~ 1 kΩ (±5%) |
| Highlights Features | Surface hasthermal dissipation holes · compact and high-power · high-temperature resistant |
| Power | 300W / 500W / 800W / 1kW / 1.2kW / 1.5kW / 2kW / 2.5kW / 3kW / 4kW / 4.8kW / 5kW / 6kW / 7kW / 8kW / 9kW / 10kW / 12kW / 15kW / 18kW / 20kW / 25kW / 30kW / 40kW / 50–100kW |
| Applications | inverters · elevators · cranes · marine · power supply · military · VoyageEmptyVoyageSky · WindForcepower generation |
48-Hour Free Samples
Free samples for standard parts — shipped within 2 business days.
Custom to Drawing
Drawing- and spec-based customization. Engineer responds within 24 hours.
Volume Discounts
Factory-direct supply at scale — direct manufacturer pricing.
Worry-Free After-Sales
12-month warranty with a dedicated team for technical issues.
Customization Process
Contact Us
Reach out, learn about our products, share your needs
Specify Requirements
Discuss specifications with our team
Get a Quote
We send pricing and proposal
Place Order
Confirm order and payment
Production
Manufacturing and quality inspection
Ship
Pack and ship the goods
Delivery
Confirm receipt and feedback
Other products in the Resistor Boxes series
View all Resistor Boxes →Frequently asked questions
Is a free sample available for this product?
What is the minimum order quantity?
How long is the warranty?
What payment terms do you accept?
Can I order this product in custom dimensions or values?
How do I get a datasheet or 3D model?
Sample Request
Standard samples are provided free of charge in reasonable quantities (shipped within 2–3 business days). Custom samples are delivered within 2–4 weeks. Please use the form on the right to tell us:
- Company and contact details
- Target part number or key specs (power / resistance / package)
- Application scenario and estimated annual volume
- Shipping address and expected delivery date



