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Help CenterFlame Retardant PBT+GF30 Hall Sensor Brackets for EV Motor, High Voltage Insulation, 1200V Dielectric Strength, Tight Tolerance
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Changzhou Hongxinyutai Precision Mold Co., Ltd. is a professional manufacturer specializing in precision injection-molded components for the automotive and EV industries. Our Flame Retardant PBT+GF30 Hall Sensor Brackets are engineered to meet the demanding requirements of electric vehicle motor systems. With a rated 1200V dielectric strength and tight tolerance design, these brackets ensure reliable high-voltage insulation and precise sensor positioning. Backed by our TS16969-certified manufacturing process, we deliver components that combine safety, durability, and performance.
These brackets are specifically designed for mounting Hall effect sensors in EV traction motors, where high voltage, high temperature, and vibration are constant challenges. The PBT+GF30 material offers excellent flame retardancy, dimensional stability, and resistance to thermal aging. Let's explore the key features and specifications in detail.
Key Features & Benefits
- Flame Retardant PBT+GF30: Self-extinguishing material reduces fire risk in EV high-voltage environments. Glass fiber reinforcement provides high mechanical strength and creep resistance.
- 1200V Dielectric Strength: Ensures safe electrical isolation between the Hall sensor and motor windings, preventing arcing and short circuits.
- Tight Tolerance (≤ ±0.05 mm): Precision-molded to maintain accurate sensor air gap, improving motor commutation efficiency and torque control.
- High Voltage Insulation: Designed for 800V to 1200V DC bus systems common in modern EVs, with excellent tracking resistance (CTI ≥ 600V).
- Thermal Stability: Operates reliably from -40°C to +150°C, covering the full temperature range of EV motor compartments.
- Customizable Geometry: Available in various mounting hole patterns, sensor pocket sizes, and bracket thicknesses to fit your motor design.
Technical Specifications
| Parameter | Value |
| Material | PBT + 30% Glass Fiber (Flame Retardant) |
| Flame Retardant Rating | UL94 V-0 (typical) |
| Dielectric Strength | 1200 VAC (1 minute) |
| Tolerance (critical dimensions) | ±0.05 mm (customizable) |
| Operating Temperature | -40°C to +150°C |
| Color | Black (custom colors available) |
| Certification | TS16969 (IATF 16949 equivalent) |
Our manufacturing process utilizes advanced injection molding machines with servo-controlled clamping, ensuring repeatable tight tolerances for every bracket. Each production batch is subject to dimensional inspection and dielectric strength testing to guarantee compliance with your specifications.
Why Choose Hongxinyutai?
- Established in 2017: Over 6 years of precision molding experience, focused on automotive and EV components.
- Factory Size: 1,000–3,000 m² production facility with 51–100 skilled employees, capable of high-volume and custom orders.
- TS16969 Certified: Quality management system ensures consistent product quality and traceability.
- Global Reach: We export to North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East.
- Competitive Lead Time: Typical mold tooling in 20–30 days, sample delivery in 7–10 days after approval.
We understand that EV motor Hall sensor brackets are critical for safe and efficient operation. Our team is ready to support your project with engineering consultation, DFM (Design for Manufacturing) analysis, and custom solutions. Contact us today to request a quote or discuss your specific requirements.
Frequently Asked Questions
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Q: What is the exact material used in these brackets?
A: The material is PBT (Polybutylene Terephthalate) reinforced with 30% glass fiber, with flame retardant additives meeting UL94 V-0 standard. -
Q: Can the brackets withstand 1000V continuous operation?
A: Yes, the dielectric strength is rated at 1200V AC for 1 minute, ensuring safe operation at 800V–1000V DC systems in EVs. -
Q: Do you offer custom dimensions or hole patterns?
A: Absolutely. We can modify the bracket geometry, mounting holes, and sensor pocket dimensions to fit your motor design. Please provide a 2D/3D drawing. -
Q: What is the minimum order quantity (MOQ)?
A: MOQ is typically 500 pieces for standard designs, but we can discuss lower quantities for prototype or sample orders. -
Q: How long does it take to get samples?
A: For existing molds, samples can be shipped within 7 days. For new tooling, allow 20–30 days for mold making and 7 days for sample production. -
Q: Is the bracket resistant to motor oils and coolants?
A: Yes, PBT+GF30 has good chemical resistance to common automotive fluids such as transmission oil, coolant, and greases. -
Q: Do you have any quality certifications?
A: Our factory is TS16969 certified, which aligns with IATF 16949 requirements for automotive quality management.
Contact us for a detailed quotation or to discuss your EV motor project. We are committed to delivering high-quality, reliable hall sensor brackets that meet your exact specifications.
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