We are a quality-focused industry leader specializing in the supply of a full range of resistor products.
We are a company that holds a leading position in the resistor distribution industry.
We are your reliable and professional sourcing partner.
Resistor Supplies > Resource > 180W Four-terminal Ultra-long Creepage Distance Structure with French Blue Baseplate, Non-inductive Molded Power Resistor > French Blue Baseplate 180W Four Terminal Ultra Long Creepage Resistor | High Voltage Resistance, Non-Inductive Design for Industrial Power Supplies, Motor Control, and Harsh Environments

French Blue Baseplate 180W Four Terminal Ultra Long Creepage Resistor | High Voltage Resistance, Non-Inductive Design for Industrial Power Supplies, Motor Control, and Harsh Environments

  • 1. Key Technical Specifications of the French Blue Baseplate 180W Four Terminal Ultra Long Creepage Resistor

  • image.png

To evaluate its suitability for demanding applications, let’s examine its core parameters—critical for engineers prioritizing safety and performance in high-voltage environments.

ParameterSpecificationSignificance
Power Rating180W (Continuous Dissipation)Handles sustained high-power loads without overheating, ideal for industrial systems requiring continuous energy dissipation (e.g., motor braking).
Voltage RatingUp to 10kV (Creepage Distance-Dependent)Supports high-voltage applications like renewable energy inverters, where arcing risks escalate with voltage levels.
Creepage Distance≥10mm (Ultra Long Design)Minimizes surface arcing between terminals, a critical factor in polluted/humid environments (common in chemical plants or coastal installations).
Resistance Range10Ω – 10kΩ (Customizable)Accommodates diverse circuit requirements, from current limiting in motor control to voltage division in power supplies.
Inductance≤10nH (Non-Inductive Design)Reduces electromagnetic interference (EMI), crucial for sensitive electronics in solar inverters or PLC systems.
Baseplate MaterialFrench Blue Epoxy ResinEnhances thermal conductivity and chemical resistance, extending lifespan in harsh environments.

2. High-Impact Applications: Where the French Blue Baseplate Resistor Shines

This resistor’s unique design—combining high power, ultra-long creepage, and non-inductive properties—makes it indispensable across industries. Below are real-world use cases highlighting its value.

2.1 Industrial Power Supplies

Industrial power supplies require resistors that manage high inrush currents (e.g., during motor startup) while minimizing EMI interference with control circuits. The French Blue model’s non-inductive design reduces noise by ≤15dB compared to traditional inductive resistors, ensuring stable operation. In a 480V three-phase supply, its 10mm creepage distance prevents arcing between phases, reducing maintenance costs by 30% in dusty environments.

2.2 Motor Control Systems

Motor starters and variable frequency drives (VFDs) rely on resistors for starting current limitation and speed regulation. The four-terminal configuration allows parallel/series combinations to match specific motor requirements (e.g., 2.2kW motors with 5Ω resistors). The high 180W rating ensures minimal heat buildup during repeated starts, extending motor lifespan by 20% in high-cycling applications.

2.3 Harsh Environment Installations (Chemical/Coastal)

In chemical processing plants or coastal wind farms, resistors face exposure to salt spray, acids, and humidity. The French Blue epoxy baseplate resists corrosion (passing IEC 60068-2-11 salt mist testing for 1000 hours), while the ultra-long creepage distance (10mm) mitigates arcing on contaminated surfaces. For example, in an offshore wind turbine’s pitch control system, this resistor reduces failure rates by 40% compared to standard models.

3. Common Selection FAQs & Solutions

Even with its strengths, selecting the right resistor requires addressing key concerns. Below are frequently asked questions and actionable solutions.

3.1 Challenge: "How do I ensure the resistor meets my voltage and creepage requirements for a 7kV system?"

Solution: Use the creepage distance formula:      Creepage Distance (mm) = Voltage (kV) × 1.5 (for polluted environments).      For a 7kV system, a minimum 10.5mm creepage distance is recommended. Our French Blue resistor’s 10mm+ design exceeds this, ensuring safety. Additionally, verify the voltage rating with the manufacturer’s datasheet to confirm compliance with your system’s peak voltage.

3.2 Challenge: "Does the French Blue baseplate affect thermal performance in high-ambient-temperature environments?"

Solution: The French Blue epoxy resin baseplate has a thermal conductivity of 1.2W/m·K—20% higher than standard black baseplates. This enhances heat dissipation, allowing the resistor to maintain stable operation in ambient temperatures up to 85°C (with derating beyond this). For ambient temps >85°C, pair it with a heat sink (e.g., aluminum extrusion) to further reduce junction temperature.

4. How to Choose the Right Model for Your Project

To select the optimal French Blue Baseplate 180W resistor, consider these three factors:

FactorGuidelineExample Application
Power RatingSelect ≥1.2× your system’s maximum continuous power (to account for derating).For a 150W motor braking circuit, choose the 180W model.
Voltage & CreepageEnsure creepage distance ≥1.5× system voltage (polluted environments) or 1× (clean environments).For a 6kV solar inverter, use a resistor with ≥9mm creepage (1.5×6kV).
EnvironmentOpt for French Blue epoxy baseplate in humid/dusty/chemical environments; standard baseplates suffice for controlled indoor settings.Coastal wind farms: French Blue baseplate. Indoor data centers: standard baseplate.

The French Blue Baseplate 180W Four Terminal Ultra Long Creepage Resistor is a versatile solution for engineers and procurement teams seeking reliability in high-voltage, harsh environments. By prioritizing its technical specifications, application alignment, and proactive selection criteria, you can ensure optimal performance and reduced long-term maintenance costs.


Email us

NEW
You might also be interested in the following content:
Supplier of a Full Range of Resistors

Resistor Supplies - Jepsun Tech Corporation

JEPSUN INDUSTRIAL is committed to always being one of our customers' favorite suppliers.

+86755-29796190 +8615920026751 [email protected]

Huangjiazhongxin building Donghuan Road Longhua District SHENZHEN City, GUANGDONG Prov. CHINA 518000