This rugged miniature circular connector is engineered for extreme environments, offering a robust break away mechanism for quick disconnect. Waterproof when mated and unmated, it ensures reliable signal integrity and EMI shielding. Fully compatible with AMC Easy Clean systems.
The quality and structure of the cable, cabling process, and cable length are critical factors that directly influence the performance of your interconnect solution. The interface between the cabled connector and the device’s transmitter and receiver is also essential to ensure that the entire system meets your industry standards and operational requirements.
The AMC High Density A1 plug combines extremely compact size with maximum electrical performance, making it ideal for military and rugged field applications. Designed for quick-disconnect (break-away) functionality, IP68 waterproof sealing, and up to 40 contacts in a single unit, it ensures signal integrity and mechanical resilience even under the most demanding conditions. This miniature solid connector is tested to MIL standards, offering robust protection against vibration, dust, and moisture, while its color-coded mechanical keying guarantees secure and intuitive mating.
Replacement ultimate Series UR50 IP68 Short Cable Receptacle
The UR50 IP68 Short Cable Receptacle from LINKHIVE is engineered as a high-reliability miniature connector solution, offering full compatibility with the Ultimate Series. This rugged aluminum alloy shell provides superior resistance to corrosion, shock, and vibration, while the push-pull locking mechanism ensures quick, secure connections. As a rugged connector designed for critical missions, the UR50 guarantees high performance in the harshest environments.
Miniature connector ultimate Series product range overview
| Style | UP01 Short Cable Plug Miniature connector |  | |
 | |||
UR01 Rear Mounted Low Profile Panel Receptacle rugged connector | UR03 Front Mounted Low Profile Panel Receptacle rugged connector | UR50 Short Cable Receptacle rugged connector | |
 |  |  | |
Key features
✅ Rugged and Compact: Designed for use in harsh environments with limited space.
✅ IP68 Watertight Sealing: Maintains full sealing performance even when unmated, capable of withstanding immersion up to 120m.
✅ Miniature Connector Design: Lightweight housing, ideal for mobile and wearable equipment.
✅ EMC 360° Shielding: Ensures signal protection and integrity in demanding electromagnetic environments.
✅ High Mating Durability: Rated for over 10,000 mating cycles.
✅ Wide Temperature Range: Operates reliably from -55°C to +135°C.
✅ Visual & Mechanical Coding: Prevents mismating and supports multiple configurations.
Whether for tactical communications, industrial sensors, or unmanned systems, the UR50 short cable receptacle is your go-to miniature connector solution for compact, rugged connector applications. It is fully compatible with Ultimate interfaces, ensuring seamless replacement and integration into existing systems.
Dimensions
Size | rugged connector Dimensions(mm) | |||
A | L | SW1 | SW2 | |
0U | 9.8 | 33.6 | 8 | 7 |
Determine Environment – Choose IP68-rated rugged connectors for harsh or outdoor use.
Select Size & Contacts – Pick the suitable contact count (2–9 contacts) and cable diameter (2.2–5.6 mm) for your application.
Check Compatibility – Fully compatible with Fischer Ultimate Series for seamless replacement.
Consider Application – Ideal for military, medical, communication, and industrial systems.
Reliable Quality – IP68 sealing and robust construction for extreme environments.
Fischer-Compatible – Directly compatible with Fischer Ultimate Series connectors.
Flexible Options – Multiple sizes and contact layouts to meet diverse needs.
Fast Lead Time – 2-week delivery with ample stock for urgent projects.
Trusted Expertise – Proven supplier for ruggedized interconnect solutions
Replacement Ultimate Series UR50 00U IP68 Short Cable Receptacle
| Mode | MUG.0OU.302.CLL | MUG.0OU.303.CLL | MUG.0OU.304.CLL | MUG.0OU.305.CLL | MUG.0OU.306.CLL |
| Inserts |  |  |  |  |  |
| Cable Ø | 2.2 mm | 3.2 mm | 4.2 mm | 5.2 mm | 5.6 mm |
| Contacts | 2 contacts | 3 contacts | 4 contacts | 5 contacts | 6 contacts |
| Description | Miniature rugged connector, IP68-rated short cable receptacle, compatible with Fischer Ultimate Series | Miniature circular connector with high sealing, robust housing for harsh conditions | Short cable receptacle with multi-contact layout, durable design | Miniature IP68 circular connector designed for reliable field performance | Rugged short receptacle, high durability, easy integration |
| Application | Military & defense electronics, portable devices, communication systems | Ruggedized handheld equipment, industrial controls | Field-deployable instruments, data acquisition devices | Harsh-environment sensors, medical devices | Aerospace, outdoor communication terminals |
Miniature Size OU UR50 – Replacement Ultimate Series IP68 Short Cable Receptacle
| Specification | MUG.0U.302.CLA.22 | MUG.0U.303.CGL | MUG.0U.304.CLL | MUG.0U.305.CLL | MUG.0U.307.CLL | MUG.0U.309.CLL | MUG.0U.310.CLL |
| Inserts |  |  |  |  |  |  |  |
| Cable Ø | 2.2 mm | 3.2 mm | 4.2 mm | 5.2 mm | 5.6 mm | 5.6 mm | 5.6 mm |
| Contacts | 2 contacts | 3 contacts | 4 contacts | 5 contacts | 6 contacts | 7 contacts | 9 contacts |
| Description | Compact rugged miniature connector, IP68 sealing | Sealed miniature connector for harsh environments | Multi-contact short cable receptacle, durable design | High-performance miniature connector | Rugged connector for portable devices | Multi-pin circular connector, compact design | High-density IP68 connector |
| Application | Wearable communication devices, rugged electronics | Military handheld terminals, control units | Industrial field instruments, data devices | Aerospace sensors, embedded electronics | Outdoor communication terminals | Harsh-environment controllers | High-density portable medical and defense equipment |
Circular Connector Keyways
Circular Connector Panel Cut outs
Circular Connector Panel Pin Layout
Specification
Maximum Humidity: | up to 95% at 60°/140°F |
Locking type: | push pull |
Endurance: | 5000-10000 cycles |
Shock resistance: | 100g,6ms |
Salt spray corrosion test: | 96hr |
Resistance to Vibration: | 15g[10Hz~2000Hz] |
Shielding Efficiency: | 75dB(10MHz) 40dB(1GHz) |
Working Temperature: | -55°~+125° |
Connector Series: | Ultimate UR50 Receptacle |
Gender: | Receptacle |
Oreentation type: | Straight |
Insulation material: | PPS/PEEK/PTFE/PPSU |
Shell material: | Chrome-plated brass |
Test Voltage (contact-contact): | 1450 |
Test Voltage (contact-shell): | 1000 |
Insulation resistance: | ≥5000MQ 600V DC |
Contact resistance: | 6.5 |
IP rating: | IP68 |
Push-pull connectors, military connectors, hybrid connectors, bayonet connectors, custom connectors, cable assembly, and etc.
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This rugged miniature circular connector is engineered for extreme environments, offering a robust break away mechanism for quick disconnect. Waterproof when mated and unmated, it ensures reliable signal integrity and EMI shielding. Fully compatible with AMC Easy Clean systems.
The AMC High Density A1 plug combines extremely compact size with maximum electrical performance, making it ideal for military and rugged field applications. Designed for quick-disconnect (break-away) functionality, IP68 waterproof sealing, and up to 40 contacts in a single unit, it ensures signal integrity and mechanical resilience even under the most demanding conditions. This miniature solid connector is tested to MIL standards, offering robust protection against vibration, dust, and moisture, while its color-coded mechanical keying guarantees secure and intuitive mating.
The LINKHIVE Rugged circular plug with push pull locking, metal housing, and Mil-Spec performance. Intermateable with AMC Y Series, ideal for soldier systems and field communications. Large inventory and fast global delivery.
The LINKHIVE Replacement AMC Y GK Style 8 circular connector receptacle is a rugged, waterproof receptacle designed for military, security, and industrial field applications. This female receptacle connector is intermateable with AMC Series Y, ensuring compatibility across tactical communication and surveillance systems. With a low-profile design and secure push-pull locking, the circular connector receptacle ensures stable performance in harsh environments. Supported by LINKHIVE’s strong production capabilities and quality control, this connector receptacle is always in stock and ready for fast delivery.
