FCR1506M 1500 Series Flange-Mounted 6-Pin Male Stainless Steel Underwater Connector

FCR1506M 1500 Series (Flange-Mounted) 6-Pin Male Stainless Steel Underwater Electrical Connector

The FCR1506M is a 6-pin male flange-mounted subsea electrical connector from RV POWER's Metal Shell 1500 Series. Constructed from high-grade stainless steel with precision-machined contacts and molded O-ring seals, the FCR1506M delivers reliable electrical performance in the most demanding underwater environments — from shallow coastal deployments to full ocean depth operations. The flange-mounting interface enables secure panel attachment on ROVs, subsea junction boxes, and offshore equipment where vibration resistance and mechanical robustness are critical.

Stainless Steel Metal Shell: Why It Matters

Unlike connectors with anodized aluminum or brass bodies, the FCR1506M's stainless steel shell delivers superior mechanical strength and long-term corrosion resistance in seawater. Key advantages:

• Marine-grade corrosion resistance — 316L stainless steel withstands continuous seawater exposure without pitting or crevice corrosion that degrades aluminum connectors over time
• High mechanical strength — stainless steel flange absorbs mating force and vibration loads that would distort lighter aluminum bodies, maintaining alignment and sealing integrity
• Thermal stability — no anodizing layer to degrade in high-temperature wash-down or hot-water cleaning cycles (critical for food-grade and pharmaceutical subsea applications)
• No surface treatment required — unlike aluminum, stainless steel arrives ready for deployment with no coating to scratch or wear during handling
• Magnetic neutrality — 316L is essentially non-magnetic, important for subsea acoustic and magnetic sensing applications

Technical Specifications

Flange-Mount vs. Bulkhead-Mount: Which to Choose?

The FCR1506M uses a flange-mounting interface — four mounting holes around the connector body that bolt directly to the equipment panel. This is distinct from bulkhead-mount connectors (BCR series) that use a threaded body through a single panel hole. Flange-mount is preferred when:

• Vibration resistance is critical — flange bolts distribute load across the panel, preventing rotation that affects bulkhead-style connectors
• Panel thickness is limited — flange mounts work on thin panels without requiring deep threaded engagement
• Quick replacement is needed — flange connectors unbolt without rotating the cable or adjacent equipment
• Shock loading is expected — the four-bolt pattern absorbs impact forces better than single-point bulkhead mounts

Applications

• ROV Electrical Systems — Primary power and signal connections on ROV frames and tool skids. Flange mount withstands continuous vibration from hydraulic thrusters.
• Subsea Junction Boxes — Feed-through connectors for subsea distribution panels on offshore platforms and subsea processing facilities.
• Offshore Energy — Seismic survey equipment, underwater camera systems, and acoustic arrays on offshore wind and oil & gas installations.
• Defense and Naval — Hull penetrations, mine countermeasures equipment, and submarine auxiliary systems requiring stainless steel corrosion resistance.
• Oceanographic Moorings — Underwater sensor frames and acoustic monitoring stations deployed for long-term data collection.
• Aquaculture — Stainless steel cage monitoring systems, feeding automation equipment, and underwater camera installations.

RV POWER Metal Shell 1500 Series

The FCR1506M is part of RV POWER's Metal Shell 1500 Series — flange-mounted and bulkhead-mounted stainless steel underwater connectors available in 2, 3, 4, 6, and 8-pin configurations. All 1500 Series connectors feature:

• 316L stainless steel body — superior seawater corrosion resistance vs. aluminum or brass
• Flange-mount (FCR) and bulkhead-mount (BCR) options — choose the right interface for your panel
• Precision-machined gold-plated contacts — ≤5mΩ contact resistance, ≥500 mating cycles
• Molded O-ring face seal — IP68-rated, reliable at depths up to 600m
• Standard 1500-series cutout compatibility — drop-in replacement for most industry-standard panels
• Pre-wired assembly option — ships with customer-specified PUR, PVC, or neutrally-buoyant cable
• Custom configurations — mixed power/signal contacts, integrated backshells, non-standard pin counts

Get a Quote — Custom Quantities Available

RV POWER supplies FCR1506M stainless steel underwater connectors and pre-wired cable assemblies to ROV manufacturers, oceanographic institutions, offshore energy companies, and naval contractors worldwide. Volume pricing available for orders of 10+ units. Free samples provided for engineering evaluation.

Contact our sales team:
Email: sales@rvpowergroup.com
Tel: +86 185 0164 8956
Website: www.rvpowergroup.com

RV POWER GROUP LIMITED — Your Trusted Partner in Subsea Connectivity Solutions.

RV POWER GROUP LIMITED — Your Trusted Partner in Subsea Connectivity Solutions.