2026年7月30日
Wiring and Harness Design for OEM Buyers: Key Specification Points
Get essential wiring and harness design specs for OEM buyers: wire gauge, connectors, routing. Prevent costly errors—read now.
Detailed Product Information
Technical Data & Reference
Structured parameters, material notes, application context and frequently asked questions for engineering and procurement evaluation.
Competitor & Cross-Reference
- Alternative Type
- Functional Alternative
- Competitor Part Number
- Hirschmann CA Series / Amphenol C016 Series 7-Pin Circular Connectors Compatible
- Mates With
- 7-Pin Proportional Valve Receptacles, Servo Motor Interfaces, and Hydraulic Control Modules.
Functional Alternative: This part provides equivalent performance characteristics as a cost-optimized substitute. Minor design review recommended before adoption.
Technical Specifications
- Number of Pins
- 7 Positions (3 Power + 4 Signal)
- Cable Jacket Material
- PUR (Polyurethane) or PVC
- Connector Type
- Circular / DIN Valve Style
- Wire Gauge (Power)
- 16 AWG - 18 AWG
- Cable Length
- Custom OEM Lengths
- Wire Gauge (Signal)
- 22 AWG - 24 AWG
- Ingress Protection
- IP67 (Mated Condition)
- Shielding Type
- Tinned Copper Braid (EMI/RFI)
Material Composition
| Material | Value / Description |
|---|---|
| Connector Housing | Polyamide (PA), Black, UL94V-0 |
| Cable Conductor | Bare Stranded Copper |
| Contacts | Brass, Gold-Plated |
| Sealing O-Ring | FKM / NBR |
| Coupling Nut | Polyamide (PA) |
| Overmolding (Boot) | TPU / PVC |
| Insert / Dielectric | Polyamide (PA), Black, UL94V-0 |
| RoHS / REACH | Fully Compliant |
Technical Characteristics
| Characteristic | Value |
|---|---|
| Voltage Rating | 250V AC/DC |
| Operating Temperature | -40°C to +90°C |
| Current Rating | 10A (Power) / 2A (Signal) |
| Flame Retardant Grade | UL 1581 VW-1 |
| Contact Resistance | ≤ 5 mΩ |
| Insulation Resistance | DC300V ≥ 10MΩ |
| Mating Durability | ≥ 500 Cycles |
| Quality Testing | 100% Open / Short / Miswiring Tested |
| Minimum Bending Radius | Fixed installation: 8x Cable OD; Flexible installation: 10x Cable OD |
| Conductor Resistance | ≤ 5Ω |
Application Scenarios
-
Hydraulic Proportional Valves: Providing simultaneous power supply and precise analog control signals (e.g., 4-20mA) to heavy-duty hydraulic valves in injection molding machines and metal stamping presses.
-
Servo Motor Control Systems: Serving as a space-saving, unified interface for power delivery and absolute encoder feedback loops in multi-axis CNC machinery and robotic arms.
-
Process Automation Machinery: Ensuring reliable, oil-resistant electrical connections for sensors and actuators in harsh environments exposed to cutting fluids, lubricants, and high vibrations.
-
Packaging & Assembly Equipment: Delivering fast, plug-and-play maintenance capabilities to reduce machine downtime when swapping out pneumatic or electromechanical control modules on high-speed production lines.
Frequently Asked Questions
Can you customize the pinout and wire color coding for our specific servo drives?
Yes, as a direct OEM/ODM manufacturer, we can fully customize the pinout, wire gauges (e.g., mixed AWG for power and signal), and color coding to perfectly match your proprietary equipment schematics.
Should I choose a PUR or PVC cable jacket for this application?
For standard indoor automation without exposure to harsh chemicals, PVC is highly cost-effective. However, if the cable will be exposed to hydraulic oils, coolants, or continuous dynamic flexing (such as on a robotic arm or drag chain), we highly recommend the PUR (Polyurethane) jacket for maximum durability.
Are these cable assemblies rated for wet or oily environments?
Yes, when properly mated and torqued, our 7-position valve connector assemblies achieve an IP67 rating, making them completely dust-tight and highly resistant to water ingress and industrial oil splashes.
Do you offer shielded versions to prevent EMI issues?
Absolutely. For servo motor and high-frequency valve applications, we utilize high-density tinned copper braided shields to ensure excellent Electromagnetic Interference (EMI) protection for the sensitive signal lines.
What is the minimum order quantity (MOQ) for custom assemblies?
We offer flexible MOQs to support our B2B partners, from small-batch pilot runs to mass production. Please contact our sales engineering team with your drawings for a quick assessment and quote.
Overview and Application Notes
Overview Engineered for demanding industrial automation and fluid control systems, our Custom 7-Position Valve Connector to Servo Cable Assemblies provide a highly reliable interface for proportional valves and servo drives. Manufactured in our ISO-certified facility, these assemblies efficiently combine power and signal transmission into a single, compact footprint. Featuring ruggedized housing and premium PUR/PVC jackets, they deliver exceptional resistance to cutting oils, mechanical stress, and harsh manufacturing environments. Fully compliant with IPC/WHMA-A-620 standards and featuring IP67-rated sealing, we provide factory-direct OEM/ODM services to deliver tailored cable lengths, specific pinouts, and custom overmolded designs to perfectly match your high-precision control requirements.
Application Notes
-
Mixed Signal & Power Routing: Ensure proper pinout configuration during integration. Typically, 3 pins are allocated for power (e.g., 24V DC/GND) and 4 pins for sensitive encoder/control signals (e.g., 4-20mA or 0-10V).
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EMI Shielding Integrity: For servo applications driven by Variable Frequency Drives (VFDs), the cable’s braided shield must be properly grounded at the control cabinet end via a 360-degree EMI gland or grounding clip to prevent noise interference.
-
IP67 Sealing & Torque: To achieve full IP67 ingress protection against coolants and hydraulic fluids, strictly adhere to the manufacturer’s recommended mating torque when securing the threaded or locking connector ring.
