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The B Series Metal Push-Pull Connector is a standard general-purpose circular push-pull self-locking connector developed by Reunion for applications requiring secure, rapid mating and unmating. Its self-locking mechanism provides an audible click upon full engagement, confirming a reliable connection every time. The housing integrates anti-slip surface design and intelligent keying to prevent blind-mating errors, while the all-metal construction offers effective electromagnetic shielding.
Available in straight and 90° versions, the series supports solder, crimp, or PCB contacts, with pin counts ranging from 2 to 32. This versatility makes it suitable for both signal and power transmission across diverse industrial sectors.
The B Series stands out for its balance of precision engineering, durability, and cost-efficiency. Below are the core advantages that define this product line:
| Feature | Benefit |
| Quick Push-Pull Latching | One‑hand operation with audible lock confirmation; speeds up installation and maintenance. |
| Full‑Metal Shielding | 360° EMI protection ensures signal integrity in electrically noisy environments. |
| Anti‑Mismating Key Design | Multiple keying options prevent incorrect insertion, reducing assembly errors. |
| Compact, Space‑Saving Build | Miniaturized structure frees up valuable equipment space for denser system designs. |
| Versatile Contact Options | Supports solder, crimp, and PCB terminations; accommodates 2 to 32 pins. |
| Wide Environmental Tolerance | Rated for -45°C to +125°C, >5,000 mating cycles, and 72h salt spray resistance. |
These features make the B Series an ideal choice for engineers who demand both high reliability and design flexibility without exceeding budget constraints.
Reunion engineers the B Series to meet rigorous performance standards. The following table summarizes its key mechanical, electrical, and environmental parameters:
| Parameter | Specification |
| Mating Cycles | >5,000 reliable operations |
| Temperature Range | -45°C ~ +125°C |
| Mechanical Shock | 100g, 6ms |
| Vibration | 10–2000Hz, 15g |
| Humidity | Up to 95% at 60°C |
| Salt Spray Test | >72 hours |
| Ingress Protection | IP50 / IP65 |
| Contact Resistance | ≤3mΩ (typical) |
| Insulation Resistance | ≥5000MΩ |
All materials comply with RoHS requirements, and each unit undergoes 100% electrical and mechanical testing before shipment to guarantee consistent quality.
The B Series Metal Push-Pull Connector is widely deployed in sectors where connection integrity directly impacts system safety and uptime.
Medical Devices — Patient monitors, surgical instruments, diagnostic imaging equipment.
Industrial Automation — Robotic arms, CNC machines, conveyor systems, and PLC interfaces.
Test & Measurement — Oscilloscopes, data loggers, and sensor calibration tools.
Semiconductor Equipment — Wafer handling systems, probe stations, and inspection machines.
Audio‑Visual & Communication — Broadcast cameras, professional audio interfaces, and network switches.
Military & Security — Portable communication devices, surveillance systems, and field‑deployable electronics.
A Shenzhen‑based medical device manufacturer faced intermittent signal drop‑outs in their patient monitoring systems due to connector wear after 2,000 cycles. They replaced their existing connectors with Reunion's B Series, which features a self‑latching design with audible confirmation and gold‑plated contacts. The result: zero connection failures over 18 months of continuous hospital use, exceeding 5,000 mating cycles per unit. The hospital reported improved diagnostic reliability and reduced maintenance calls, directly attributing the improvement to the connector's consistent mechanical and electrical performance.
An automotive assembly line integrator needed a compact, high‑durability connector for end‑of‑arm tooling (EOAT) on six‑axis robots. The B Series, with its 90° elbow option and 12‑pin configuration, was chosen for its ability to withstand high‑vibration environments (15g at 2000Hz) and rapid tool changes. Over a 12‑month production run, no connector‑related downtime was recorded, and the audible lock feature reduced installation time by 30% per tool change, improving overall line efficiency.
Reunion's commitment to quality is validated through internationally recognized certifications that span design, manufacturing, and distribution.
| Certification | Scope |
| ISO 9001 | Quality management system for design, production, and service. |
| ISO 14001 | Environmental management, ensuring sustainable manufacturing practices. |
| ISO 13485 | Medical device quality management — critical for healthcare applications. |
| UL | Product safety certification for North American markets. |
| RoHS | Restriction of hazardous substances, compliant with EU directives. |
Every B Series connector is produced under strict process controls, with in‑house inspection and traceability systems. Reunion's ERP system tracks each batch from material receiving to final testing, ensuring full accountability.
| Aspect | Reunion B Series | Typical European/US Brands |
| Price | ~1/3 of competitor pricing | Premium pricing |
| Quality | Comparable performance and materials | Industry benchmark |
| Compatibility | Fully interchangeable | Proprietary designs may limit options |
| MOQ | No MOQ for standard items; low MOQ for custom | Often high MOQ requirements |
| Customization | Fast, flexible ODM/OEM service | Slower, rigid customization processes |
| Lead Time | Samples 5–7 days; orders 15–20 days | Typically longer |
| Experience | 15 years in‑house R&D and manufacturing | Established but often outsourced |
Reunion's vertically integrated factory — covering design, injection molding, soldering, wire cutting/stripping, assembly, and testing — ensures seamless quality control and faster response to custom requests. This structure directly translates to cost savings passed on to customers.
Reunion understands that off‑the‑shelf connectors may not fit every application. The B Series supports extensive customization to meet unique design requirements.
- Housing color (standard or custom RAL codes)
- Plating thickness (gold, nickel, or tin)
- Cable assemblies with specified length, gauge, and jacket material (PVC/PUR)
- Mold tooling for non‑standard shapes
- Logo imprinting for brand identity
- Packaging (bulk, reel, or custom labeling)
Reunion controls every step within its 4,000m² facility:
Stamping — Precision punching of contact terminals from high‑grade copper alloy.
Injection Molding — Housing and insulator molding using high‑performance thermoplastics.
Plating — Gold or nickel plating for low contact resistance and corrosion protection.
Assembly — Manual and automated assembly with torque and dimension checks.
Testing — 100% electrical continuity, insulation, and mechanical operation tests.
Packaging — Anti‑static, moisture‑proof packing ready for shipment.
| Service | Detail |
| Samples | Available for functional testing; some samples are free (pre‑payment required for certain types; shipping costs borne by customer). |
| Testing | Advanced in‑house equipment performs 100% comprehensive testing before shipment — including contact resistance, dielectric strength, and mating force. |
| Warranty | 12 months from shipment date, covering manufacturing defects under proper use. |
| Returns | Defective products confirmed by Reunion's QC will be replaced or refunded; return shipping arrangements are case‑dependent. |
| Item | Detail |
| Standard Packaging | Carton boxes with internal anti‑static and cushioning materials. |
| Custom Packaging | Available upon request (e.g., reel packaging, custom labeling, moisture‑barrier bags). |
| Lead Time | Samples: 5–7 days; Production orders: 15–20 days; Custom products: typically 25–30 days (complex designs may extend; written confirmation provided). |
| Shipping Methods | Bulk orders: sea or air freight; Samples: express couriers (DHL, FedEx, TNT, UPS, EMS). |
| Delivery Terms | EXW, FCA, FOB, CIF, CPT, etc. |
Yes. Reunion designs its B Series with standard dimensions and contact layouts to ensure mechanical and electrical compatibility with major circular connector systems. Many customers have successfully substituted Reunion connectors without modifying their existing PCBs or panel cutouts. We recommend verifying pin assignment and keying position for your specific model — our engineering team can provide cross‑reference documentation upon request.
Reunion operates under ISO 13485 (medical devices), ISO 9001, and ISO 14001 management systems. Every B Series connector undergoes 100% inspection, including contact resistance, insulation, dielectric withstand, and mating force tests. We also conduct random sample tests for salt spray, thermal cycling, and mechanical shock. Full traceability is maintained via our ERP system from raw material to finished goods — so each batch can be traced back to specific production dates, operators, and testing records.
For standard B Series items, there is no MOQ — you can order as few as one piece. For customized versions (e.g., special pin count, cable length, housing color, or plating thickness), our typical MOQ is as low as 50–100 pieces depending on complexity, though we are flexible for prototype or trial orders. To start, simply provide your electrical requirements, mechanical drawings (if available), desired cable length and material, and any special environmental requirements. Our 10‑person R&D team will respond with a feasibility assessment and sample proposal within 2–3 working days.
Reunion has earned the trust of industry leaders across multiple sectors. Our connectors are used by:
SIEMENS · SAMSUNG · Unilumin · LEYARD · BOE · GKG · YAHAM · Absen · Cedar Electronics · HKC · roborock · HEXAGON · Leica · viewall · SANMINA · Lungshield medical · GOALZERO · TCL (CSOT) · WEGO · Cmsemicon
These partnerships reflect our commitment to quality, reliability, and responsive service — values embedded in every B Series Metal Push-Pull Connector we deliver.
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West of 2nd and 3rd Floor, Building B, Zhongjing Zhiyun Science Park, No. 606, Fengtang Avenue, Zhancheng Community, Fuhai Street, Bao 'an District, Shenzhen
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