QS9 Anti-Spark High Current Connector
Female Spring Clamp Version | For EV / Energy Storage / Industrial Drones
Conductor: Gold-Plated Solid Copper
Sheath: PA66 Flame Retardant Plastic
Temp: -20℃ ~ +120℃
Bending/Plug Cycle: Spring clamp structure for smooth plugging & long service life
Voltage: 500V DC
Current Rating: 160A
Contact Resistance: Max 0.51mΩ
Flame Grade: UL94-V0
Model Range: QS9-U / QS9-S / QS9-L / QS9-D Female
Certifications: Comply with industrial safety standards
Customizable: Assembly, Cable Crimping, Mounting Accessories

QS9 Anti-Spark High Current Connector Specifications
QS9 series anti-spark high current connectors comply with industrial new energy equipment standards, suitable for heavy-duty power devices such as electric vehicles, energy storage lithium batteries and industrial drones.
1. Basic Specifications
Product Name: QS9 Anti-Spark High Current Connector
Model Variant: QS9-U / QS9-S / QS9-L / QS9-D Female Spring Clamp Version
Conductor Material: Gold-Plated Copper Terminal
Housing Material: PA66 Flame Retardant Engineering Plastic
Rated Current: 160A
Rated Voltage: 500V DC
Working Temperature Range: -20℃ ~ +120℃
Contact Resistance: Max 0.51mΩ
Flame Retardant Grade: UL94-V0
Installation Type: Panel Mount / Inline Mount Optional
2. Key Performance Parameters
Plugging Performance: Adopt internal spring clamp structure, realizes smoother plugging and unplugging operation and greatly prolongs service life.
Safety Performance: Built-in anti-spark design effectively eliminates electric arc and spark during connection and disconnection.
Insulation Performance: High-rigidity PA66 housing provides excellent insulation capacity to prevent short circuit and electric leakage.
Environmental Resistance: Maintains stable performance within standard industrial temperature range.
Compliance Standard: Meets UL94-V0 flame retardant grade and industrial electrical safety specifications.
3. Structural Features
Gold-plated copper contacts: Low contact resistance, stable high-current transmission and oxidation resistance.
Spring clamp female terminals: Elastic clamping design with uniform stress, smooth insertion & extraction and long service cycles.
Integrated PA66 housing: High mechanical strength, impact resistance, high temperature resistance and UL94-V0 flame retardant property.
Reverse insertion prevention structure: Avoids reverse polarity connection to improve overall equipment safety.
Multiple housing options: Four shell structures (U/S/L/D) to match different installation space requirements.
4. Application Scope
Widely used in electric motorcycles, electric vehicles, new energy battery packs, energy storage lithium batteries, industrial drones, large RC models, portable power stations, off-grid power supply equipment and other high-current DC connection scenarios requiring anti-spark and reliable connection performance.
5. Customization Options
Custom wire harness crimping and finished assembly
Custom insulating sleeves and dustproof caps



