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SF40M Series All-Electric Watertight Connector

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1. Информация о чертежах

Размеры в мм (1 мм = 0,03937 дюйма)
Резьба в дюймах (1 дюйм = 25,4 мм)

2. Male View

3. Основные параметры

Technical ParametersNumber of Pins4-Pin6-Pin8-Pin19-Pin24-Pin
Связаться с3.5mm2.5mm2.5mm1.5mm1.5mm
Rated Current30A18A18A10A10A
Ordering CodesFlange
Receptacle
SF40M-4CT-FLSF40M-6BT-FLSF40M-8BT-FLSF40M-19AT-FLSF40M-24AT-FL
Threaded
Receptacle
SF40M-4CT-TSSF40M-6BT-TSSF40M-8BT-TSSF40M-19AT-TSSF40M-24AT-TS
PlugSF40M-4CT-PSF40M-6BT-PSF40M-8BT-PSF40M-19AT-PSF40M-24AT-P
ПримечанияInstallation Requirements: All drawing 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

SF40M Series All-Electric Watertight Connectors

Product Overview & Series Introduction

Сайт SF40M Series All-Electric Watertight Connectors by HYSF Subsea (Xiamen Chuida Technology Co., Ltd.) represents our highest-tier, heavy-duty metal-shell electrical interconnect system designed to handle severe electrical loads and high-density pin layouts in the most demanding maritime and deep-sea environments. As a nationally accredited high-tech enterprise driven by independent technical R&D, HYSF has meticulously engineered this specialized metal series to deliver an elite domestic substitution for core imported subsea interconnect systems, successfully breaking international brand monopolies across high-end marine defense and scientific exploration sectors.

The core design philosophy of the SF40M all-electric series focuses on balancing high current-load capacities with premium physical defense. Compared to traditional rubber-series connectors, the precision metal mechanical structures provide rigid structural protection that delivers vastly superior performance in mechanical strength, environmental resistance, and service life. Sealed utilizing high-elastic fluororubber O-rings and advanced unibody molding, this heavy-duty series maintains exceptional pressure-tight insulation thresholds and optimal electrical conductivity across varying ocean depths. To support seamless integration across heavy subsea enclosures, deep-water power pods, and high-output propulsion frames, the series offers complete physical component sets, including[cite: 1]:

  • Heavy-Duty Cable Plugs: Multi-core electrical cable plugs (such as the 24-pin variant, SF40M-24AT-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 Threaded Receptacles (SF40M-XXAT-TS) designed with robust installation thread parameters, alongside heavy-duty Square Flange Receptacles (SF40M-XXAT-FL) designed for secure chassis panel integration[cite: 1]. Receptacle bases feature high-temperature internal wiring paired with a 0.3m cable tail as a standard factory configuration[cite: 1].
  • Elite System Sealing Caps: Heavy-duty matching metal Male Protective Caps (SF40M-HSCM) and Female Protective Caps (SF40M-HSCF) paired with robust tethering wires to completely shield uncoupled paths 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 including 4-Pin (SF40M-4CT), 6-Pin (SF40M-6BT), 8-Pin (SF40M-8BT), 19-Pin (SF40M-19AT), and ultra-dense 24-Pin (SF40M-24AT) arrays[cite: 1].
  • Massive Current & Variable Core Diameters: Engineered to balance raw power and signal routing seamlessly, featuring contact diameters of 3.5mm supporting 30A per pin (for 4-pin models), 2.5mm supporting 18A per pin (for 6 and 8-pin models), and 1.5mm pins supporting 10A per pin for 19 and 24-pin dense configurations[cite: 1].
  • Deep-Sea Hydrostatic Sealing: 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

Сайт SF40M 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 a primary power distribution and centralized 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 multi-channel telemetry streams from surface umbilicals into internal distribution pods or to heavy robotic manipulators without thermal cutoff risks[cite: 1].

2. High-Power Underwater Propulsion Systems

Serves as the mission-critical connection backbone supplying high-amperage energy to underwater thruster blocks, deep-sea propulsion motors, and localized high-torque hydraulic power packs[cite: 1]. The low contact resistance ensures maximum electrical efficiency, allowing heavy marine robotic systems to maintain stable thrust dynamics under volatile ocean current displacements[cite: 1].

3. Sonar Systems & Acoustic Detection Grids

Extensively deployed as key physical connection interfaces for acoustic positioning transducers, marine hydrophone arrays, and side-scan sonar platforms[cite: 1]. The heavy 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].

4. Seabed Mining Machinery & Industrial Drilling Manifolds

Extensively deployed across offshore wind farm sub-stations, subsea wind grids, offshore oil and gas drilling manifolds, and heavy seabed mining crawlers[cite: 1]. The rigid protection of the heavy-duty metal housing prevents catastrophic cross-cabin flooding, guaranteeing safe power and data pathways across multi-year maritime load cycles[cite: 1].

Часто задаваемые вопросы (FAQ)

Q1: What are the primary structural advantages of the SF40M metal series compared to standard rubber watertight connectors?

A: 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 SF40M 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?

A: Product reliability in extreme environments is our core foundation, ensuring a proven 99.98% product reliability rate across national defense contractors and major marine research institutes[cite: 1]. Every single production batch undergoes severe pre-shipment verification inside our standardized inspection architecture before factory delivery[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 SF40M bulkhead receptacle shells?

A: 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 Нержавеющая сталь 316L for excellent overall mechanical strength and rust resistance[cite: 1]. For specialized engineering projects with strict weight boundaries, Титановый сплав is available (ideal for strict weight-saving limitations and ultra-deep 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?

A: 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?

A: HYSF operates under a strictly standardized quality architecture as a certified Technology Enterprise holding over ten core utility model patents[cite: 1]. Our manufacturing 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, oceanographic shipyards, top universities, and major research bodies like the Chinese Academy of Sciences (CAS)[cite: 1].

Связаться с

Джейсон Лю

Главный технический специалист

HYSF Subsea

Проверенные решения в полевых условиях

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