Product Series

(100% SubConn、Seacon and Burton Compatible)

HYSF Metal Shell High Voltage MSSM Series Connector | 4 Pin Underwater High Voltage Metal Shell Connector

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1. Drawing information

Dimensions in mm (1 mm = 0.03937 inch)
Threads in inches (1 inch = 25.4 mm)

2. Plug Color Configuration

Robust stainless steel metal shell in natural silver finish with black molded insulator and gold-colored high-voltage contact zone. O-rings: Black Nitrile (standard), optional blue or green for easy underwater mating identification. Inline cable jacket in standard black. Custom cable colors, marking, and boot colors available upon request.

3. Main parameters

HYSF Metal Shell High Voltage MSSM Series Connector | 4 Pin Underwater High Voltage Metal Shell Connector | MSSM High Voltage Subsea Bulkhead Connector | Burton Compatible Metal Shell High Voltage Series

  • Contacts: 4 pins (High Voltage configuration)
  • Depth Rating: 6000 meters
  • Matings: >500 cycles
  • Electrical Specification: High Voltage rated (ideal for high-power subsea applications)
  • Contact Resistance: <0.010 Ω
  • Insulation Resistance: >200 MΩ
  • Temperature Rating: -4°C to +60°C
  • Design: Heavy-duty metal shell for superior mechanical strength, EMI shielding, and high-voltage insulation
  • Compatibility: Fully interchangeable with Burton Metal Shell High Voltage MSSM Series
  • Custom Options: Single/Double O-ring, right-angle, flange mount, extended thread, custom cable lengths

4. Material & Installation Requirements

  • Connector Shell: 316L Stainless Steel (standard) or Titanium (optional for lightweight & extreme corrosion resistance)
  • Insulator: High-performance polymer
  • Contacts: Gold plated brass
  • O-Rings: Nitrile (standard) or Viton/FKM
  • Nuts & Washers: Stainless Steel

5. Dimension & Thread Specifications

(All dimensions in mm. Threads in inches. 1 inch = 25.4 mm)

Key Variants

  • MSSM-4-CCP: Inline cable version, Length 180 mm, Ø64.5 mm
  • MSSM-DSP: Compact inline version, Length 70 mm, Ø41 mm / Ø64.5 mm
  • MSSM-4-RA: Right-angle version, Length 120 mm
  • MSSM-4-BCR: Bulkhead receptacle, Thread 1-3/4″-12 UNF-2A, O-Rings 2-224 & 2-142, Length 92 mm
  • MSSM-4-FCR: Flange mount receptacle, Length 81.9 mm, Flange Ø50.8 mm

Mounting Holes

  • BCR: Ø50.8 H8 with 1.6 chamfer and 1-3/4″-12 UNF-2A thread
  • FCR: 4× Ø6.4 holes on Ø98.3 mm bolt circle

BCR Face View 4-pin high-voltage configuration.

HYSF Metal Shell High Voltage MSSM Series (4 Contacts) connectors are engineered with a rugged stainless steel shell specifically for high-voltage subsea power transmission. Ideal for ROVs, AUVs, underwater thrusters, cameras, sensors, and offshore equipment requiring reliable high-voltage performance at full ocean depth. The heavy-duty metal construction provides exceptional durability, EMI shielding, and long-term reliability.

Fully customizable – stainless steel or titanium construction, single or double O-ring, right-angle or flange mount options, extended threads, custom cable lengths, and exact dimensional matching to Burton specifications.

Keywords: metal shell high voltage MSSM series connector, 4 pin underwater high voltage connector, Burton compatible metal shell high voltage MSSM series, MSSM high voltage subsea connector, 6000m depth high voltage metal connector, ROV AUV high voltage bulkhead connector, stainless steel high voltage MSSM series underwater connector, subsea high voltage metal shell connector.

Contact HYSF for OEM customization, fast prototyping, and competitive pricing.

Face view

Contact

Jason Liu

Chief Technical Officer

HYSF Subsea

jason@hysfsubsea.com

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