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SF56M Series All-Electric Watertight Connector

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1. Información sobre el dibujo

Dimensiones en mm (1 mm = 0,03937 pulgadas)
Hilos en pulgadas (1 pulgada = 25,4 mm)

2. Male View

3. Parámetros principales

(es-419) Español de América Latina

Technical ParametersNumber of Pins4-Pin28-Pin37-Pin48-Pin61-Pin
Contacto5mm1.5mm1.5mm1.5mm1.5mm
Rated Current60A10A10A5A5A
Ordering CodesSquare Flange
Receptacle
SF56M-4DT-FLSF56M-28AT-FLSF56M-37AT-FLSF56M-48AT-FLSF56M-61AT-FL
Round Flange
Receptacle
SF56M-4DT-YFSF56M-28AT-YFSF56M-37AT-YFSF56M-48AT-YFSF56M-61AT-YF
PlugSF56M-4DT-PSF56M-28AT-PSF56M-37AT-PSF56M-48AT-PSF56M-61AT-P
NotasInstallation Requirements:All dimensions are in mm. The 316L stainless steel base comes with a 0.3m cable as standard configuration. Accessories include cable plug,
fluororrubber O-ring, male protective cap and female protective cap.

4. Product Description

SF56M Series All-Electric Watertight Connectors

Product Overview & Series Introduction

The SF56M Series All-Electric Watertight Connectors by HYSF Subsea (Xiamen Chuida Technology Co., Ltd.) represents our premier, large-scale metal-shell electrical interconnect system engineered to deliver uncompromised power distribution and high-density signal transmission in demanding marine and deep-sea environments[cite: 1]. As a nationally accredited high-tech enterprise driven by independent technical innovation, HYSF has meticulously developed this specialized series to overcome the physical vulnerabilities of traditional rubber plugs under high-load mechanical stress, delivering an elite domestic substitution for core imported subsea interconnect systems and breaking international brand monopolies[cite: 1].

The core design philosophy of the SF56M all-electric series focuses on balancing massive current-load capacities with rigid structural armor and superior multi-channel configuration flexibility[cite: 1]. Every connector features premium, precision-machined heavy metal mechanical structures that provide rigid physical protection and enduring resistance to harsh underwater conditions[cite: 1]. Sealed utilizing high-elastic fluororubber O-rings and advanced unibody molding technology, this heavy-duty series maintains exceptional pressure-tight insulation thresholds and optimal electrical conductivity across varying ocean depths[cite: 1]. To support seamless integration across subsea instrument hulls, external power pods, and high-output propulsion frames, the series offers complete physical component sets, including[cite: 1]:

  • Heavy-Duty Cable Plugs: Multi-core high-density electrical cable plugs (such as the 61-pin variant, SF56M-61AT-P) jacketed in highly flexible, thick-walled polyurethane or neoprene rubber sheaths built to withstand rugged marine pulling forces, intense vibration, and abrasive underwater friction[cite: 1].
  • Rugged Bulkhead Penetrators: High-performance Square Flange Receptacles (SF56M-XXAT-FL) and Round Flange Receptacles (SF56M-XXAT-YF) precision-machined from 316L Stainless Steel[cite: 1]. Designed with precise structural footprint specifications, including a 44±0.02 mm mounting alignment and an overall installation radius tailored for secure chassis panel integration, these penetrators maintain absolute pressure hull isolation[cite: 1]. Receptacle bases feature high-temperature internal wiring paired with a 0.3m cable tail as a standard factory configuration[cite: 1].
  • System Sealing Caps: Heavy-duty matching metal Male Protective Caps (SF56M-HSCM) and Female Protective Caps (SF56M-HSCF) paired with robust tethering wires to completely shield uncoupled channels from seawater ingress, high-salinity corrosion, and biological fouling during non-operational cycles[cite: 1].

Key Technical Specifications & Core Features

  • High-Density Pin Layouts: Supports a highly versatile array of distribution layouts designed for complex subsea systems, including 4-Pin (SF56M-4DT), 28-Pin (SF56M-28AT), 37-Pin (SF56M-37AT), 48-Pin (SF56M-48AT), and ultra-dense 61-Pin (SF56M-61AT) configurations[cite: 1].
  • Massive Current & Variable Core Diameters: Engineered to balance raw power loops and high-density signal routing seamlessly[cite: 1]. Features a large 5.0mm contact diameter supporting a massive 60A per pin for the 4-pin model, and 1.5mm contact diameters supporting 10A per pin (for 28 and 37-pin models) or 5A per pin for the 48 and 61-pin dense configurations[cite: 1].
  • Deep-Sea Hydrostatic Rating: Rated and fully verified for standard operational hydrostatic working pressures up to 60MPa, guaranteeing an absolute zero-leakage security threshold at extreme diving depths reaching 6,000 meters[cite: 1].
  • Optimized Electrical Parameters: Rated for a steady working operational voltage of 550V AC/DC[cite: 1]. Features an ultra-low contact resistance profile under 0.01Ω and a superior insulation resistance threshold of greater than or equal to 200MΩ @ 1000V DC[cite: 1].
  • Brutal Mechanical & Environmental Resilience: Certified to handle severe mechanical vibrations (10–2000Hz for 2 hours) and extreme physical shocks up to 1000m/s² (half-sine wave, 11ms) across extreme operating temperatures stretching from -60°C up to +80°C with an operational lifespan exceeding 500 mating cycles[cite: 1].

Industrial Applications & Working Conditions

The SF56M Series All-Electric Subsea Metal Interconnect Line is uniquely tailored to resolve extreme electrical load demands under intense localized vibrations, deep-water hydrostatic loads, high-salinity corrosive salt sprays, and harsh underwater working conditions[cite: 1]. Critical application deployment sectors include:

1. Large-Scale Heavy Work-Class ROVs & AUVs

Acts as the primary main power distribution and centralized high-density breakout interface for heavy-duty Remotely Operated Vehicles (ROVs), Autonomous Underwater Vehicles (AUVs), and deep-sea submersibles[cite: 1]. It safely routes core multi-phase high-voltage power feeds and dozens of parallel digital control loops from surface umbilicals into internal distribution pods or to heavy robotic manipulators without data cross-talk or thermal cutoff risks[cite: 1].

2. Subsea Sonar Platforms & Acoustic Detection Grids

Extensively deployed as key physical connection interfaces for complex multi-beam sonar arrays, marine hydrophone networks, and seabed acoustic positioning transducers[cite: 1]. The rigid metal housing shielding paired with a strict insulation resistance of over 200MΩ ensures highly sensitive analog and low-voltage digital signal loops remain completely isolated from signal cross-talk and environmental electromagnetic interference[cite: 1].

3. Offshore Energy Infrastructure & Centralized Junction Boxes

Utilized to handle centralized high-power routing loops inside main subsea junction boxes, offshore wind farm sub-stations, marine tidal energy arrays, and deep-sea oilfield drilling systems[cite: 1]. The heavy-duty 316L stainless steel structural shell resists intense mechanical friction, high physical shocks, and long-term biological fouling over prolonged maritime immersion cycles[cite: 1].

4. Pressure Hull Penetration & Marine Defense Systems

Serves as the mission-critical structural penetration barrier for submarine control hulls, marine defense weapon platforms, and automated deep-sea exploration pods[cite: 1]. The rigid unibody vulcanized construction and precision flange mechanics prevent catastrophic cross-cabin flooding, guaranteeing safe power and data pathways across multi-year maritime load cycles[cite: 1].

Frequently Asked Questions (FAQ)

Q1: What are the primary structural advantages of the SF56M metal series compared to standard rubber watertight connectors?

R: While rubber connectors are exceptional for flexible inline setups, they can experience material deformation under extreme physical twists, high-tension pulling forces, or severe mechanical hits[cite: 1]. The HYSF SF56M series utilizes precision metal mechanical housings to provide rigid, structural armor around the contacts[cite: 1]. This layout completely shields internal insulation boundaries from physical buckling, significantly improving shock, vibration, and mechanical wear lifespans in heavy industrial environments[cite: 1].

Q2: What rigorous quality assurance testing do these all-electric metal connectors undergo before delivery?

R: Product reliability in extreme environments is our core foundation, ensuring a proven 99.98% product reliability rate across national marine research institutes and defense contractors[cite: 1]. Every single production batch undergoes strict, standardized factory verification through our comprehensive testing system[cite: 1]:

  • Hydrostatic Pressure Testing: Installed into a certified pressure vessel inside our 100MPa high-pressure pump system, holding full target pressure at 60MPa for 60 continuous minutes to verify absolute zero structure leakage and zero material deformation[cite: 1].
  • Dielectric Withstand Test (Hipot): Applied 2000V DC for 1 minute between individual pins and between pins and the metal housing shell to confirm that leakage current remains safely below 10mA[cite: 1].
  • Insulation Resistance (IR) Verification: Measured with a 15kV insulation tester to guarantee that material and sealing properties exceed greater than or equal to 200MΩ @ 1000V DC[cite: 1].
  • Dynamic Continuity Test: Checked via precision digital resistance multimeters while undergoing a vigorous manual “shake test” on the cable and joint to ensure completely uninterrupted electrical stability under severe marine load cycles[cite: 1].

Q3: What base metal choices can be specified for the high-density SF56M receptacle shells?

R: To accommodate varying operational depths, weight budgets, and water conditions, our rigid metal housings are custom-machined from top-tier marine metals integrally formed with premium neoprene rubber[cite: 1]. Our standard stock features Acero inoxidable 316L for excellent overall mechanical strength and rust resistance[cite: 1]. For specialized engineering projects with strict weight boundaries, Aleación de titanio is available (ideal for full ocean depth submersibles), while Naval Brass / Marine Bronze is highly recommended for shallow aquaculture and coastal networks due to its natural anti-biofouling performance[cite: 1].

Q4: What are the standard cable tail specifications for the receptacle base?

R: Our standard factory configuration sets include a pre-installed 0.3-meter internal cable tail layout on the 316L stainless steel receptacle base[cite: 1]. Custom tail lengths, specialized wire jackets (such as polyurethane or neoprene), and custom wiring arrangements can be tailored upon request to perfectly match your internal electronics enclosure blueprints[cite: 1].

Q5: What corporate certifications guarantee the manufacturing quality of HYSF subsea products?

R: HYSF operates under a strictly standardized quality architecture as a certified Technology Enterprise holding over ten core utility model patents[cite: 1]. Our facilities are fully audited and certified under the ISO 9001 Quality Management System[cite: 1]. Furthermore, our precision production workflows, traceable verification data, and raw material tracking records adhere directly to the strict GJB 9001C-2017 National Quality Standard, delivering mission-critical durability across national naval defense contractors, top shipyards, and major research bodies like the Chinese Academy of Sciences (CAS)[cite: 1].

Contacto

Jason Liu

Director técnico

HYSF Submarino

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John Zhang

Director general

Jason Liu
Kevin Wang
Cindy Chen
Lily Li
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