IE2M-BC 2-Pin Male Bulkhead Wet-Mate Underwater Electrical Connector
Product Overview
The
HYSF SUBSEA IE2M-BC Teledyne Impulse IE Series Compatible 2-Pin Male Bulkhead Underwater Connector is a compact wet-mate electrical connector designed for ROV systems, subsea instrumentation, underwater equipment, and offshore electrical applications.Featuring two male electrical contacts and a threaded bulkhead mounting configuration, the IE2M-BC provides a reliable electrical interface through subsea equipment housings and pressure enclosures.The connector belongs to the Teledyne Impulse IE Underwater Pluggable Series, originally developed for underwater electrical applications requiring reliable connection and disconnection capabilities.Unlike conventional dry-mate connectors, the IE2M-BC is designed to permit underwater mating and unmating when the electrical circuit is switched off.Its molded neoprene body provides environmental sealing and mechanical protection, while the stainless steel mounting section provides a secure threaded bulkhead installation.The connector features a 7/16-20 UNF-2A mounting thread and an O-ring 2-014 sealing arrangement.The original Teledyne Impulse documentation specifies a maximum mated pressure rating of 10,000 psi and a bulkhead open-face pressure rating of 5,000 psi.The IE2M-BC is supplied with 12-inch Teflon-insulated rear electrical leads, allowing integration with internal equipment wiring.With its compact two-contact configuration, the IE2M-BC is suitable for ROV electrical systems, subsea control equipment, marine instrumentation, underwater sensor housings, and offshore monitoring systems.
Key Features and Benefits
1. Two-Pin Male Electrical Configuration
The IE2M-BC features two male electrical contacts within a compact underwater connector body.The two-contact arrangement provides a straightforward electrical interface for power transmission and auxiliary electrical circuits.Typical applications include:
- Underwater power connections
- ROV auxiliary equipment
- Subsea control circuits
- Underwater sensor connections
- Marine instrumentation
- Subsea monitoring equipment
- Offshore electrical systems
- Underwater tooling connections
The final contact assignment and polarity should follow the approved electrical wiring diagram.
2. Male Bulkhead Mounting Configuration
The IE2M-BC is a male bulkhead connector designed for fixed installation through an equipment housing or pressure enclosure.Unlike inline cable connectors, the bulkhead configuration provides a permanent electrical interface on the equipment housing.The threaded mounting arrangement allows the connector to be installed through a prepared housing opening.Typical installation locations include:
- Subsea pressure housings
- ROV electrical enclosures
- Underwater instrument housings
- Subsea junction boxes
- Marine monitoring equipment
- Offshore control modules
- Underwater sensor enclosures
The rear electrical leads connect to internal equipment wiring, while the external male contact interface connects to a compatible female underwater connector.
3. Wet-Mate Underwater Connection
The IE2M-BC belongs to the IE Underwater Pluggable Series and supports underwater mating and unmating.This allows compatible connector halves to be connected and disconnected underwater without recovering the complete equipment assembly to the surface.The original manufacturer specifies that underwater plugging and unplugging must be performed with the electrical power switched off.Key benefits include:
- Underwater connection capability
- Underwater disconnection capability
- Reduced equipment recovery requirements
- Convenient ROV-assisted maintenance
- Suitable for subsea equipment replacement
- Flexible underwater installation
The connector must be correctly aligned, lubricated, and fully engaged before deployment.
4. Molded Neoprene Construction
The original IE Series features molded neoprene construction with improved sealing characteristics.The elastomer body provides mechanical protection around the electrical contacts and supports the underwater sealing arrangement.Its molded structure helps protect the internal electrical connection against seawater exposure when correctly mated.Key characteristics include:
- Flexible molded construction
- Environmental sealing
- Mechanical protection
- Protection of the electrical interface
- Suitability for subsea applications
5. Stainless Steel Mounting Hardware
The IE2M-BC incorporates stainless steel mounting hardware.The stainless steel mounting section provides mechanical strength and corrosion resistance for marine and subsea installations.Its threaded configuration provides a secure mounting interface between the connector and the equipment housing.The original mechanical drawing specifies a 7/16-20 UNF-2A mounting thread.
6. 7/16-20 UNF-2A Threaded Installation
The IE2M-BC uses a 7/16-20 UNF-2A mounting thread.This threaded interface allows the connector to be installed into a compatible equipment housing or panel.The original mechanical drawing also identifies:
- O-ring 2-014
- 0.75-inch hex section
- 0.50-inch mounting reference dimension
- Stainless steel mounting hardware
Before manufacturing the housing opening, engineers should verify:
- Mounting thread dimensions
- Thread engagement length
- O-ring groove dimensions
- Housing wall thickness
- Sealing surface finish
- Installation torque
7. O-Ring Sealing Arrangement
The IE2M-BC uses an O-ring 2-014 sealing arrangement.The O-ring provides sealing between the connector mounting section and the equipment housing.Proper O-ring installation and sealing surface preparation are essential for maintaining pressure integrity.The original IE Series maintenance instructions recommend using an approved silicone-based lubricant and replacing O-rings when connectors are reused.
8. Up to 300 VDC Series Voltage Rating
The original Teledyne Impulse IE Series documentation specifies electrical operation up to 300 VDC.This makes the series suitable for appropriately designed underwater power and control circuits.The actual permissible voltage depends on the complete electrical assembly, insulation system, cable construction, and operating conditions.The 300 VDC value is a series-level maximum and should not automatically be treated as a guaranteed rating for every customized HYSF configuration.
9. Up to 7 A Series Current Rating
The original IE Series documentation specifies a current rating of up to 7 A.The two-contact configuration can be used for suitable power and signal applications within the verified electrical limits.Actual current capacity depends on:
- Conductor size
- Cable construction
- Contact resistance
- Ambient temperature
- Electrical loading
- Thermal conditions
- Operating environment
The maximum permissible current should be confirmed for the complete electrical assembly.
10. High-Pressure Subsea Performance
The original Teledyne Impulse documentation specifies:
- Mated pressure rating: 10,000 psi
- Bulkhead open-face pressure rating: 5,000 psi
These pressure ratings make the IE2M-BC suitable for demanding subsea applications when correctly installed and used with its compatible mating connector.The open-face rating is particularly important for fixed bulkhead installations where the mating connector may be disconnected underwater.The complete installation must comply with the applicable pressure qualification requirements.
11. 12-Inch Teflon Rear Leads
The IE2M-BC is supplied with rear electrical leads for connection to internal equipment wiring.The original mechanical drawing identifies:
- 12-inch Teflon-insulated leads
- Stainless steel mounting section
- Two-contact electrical configuration
The broader IE Series documentation specifies Type E leads according to MIL-W-16878/4, 18 AWG, or an alternative 12-inch Belden 34918 lead configuration with a neoprene jacket.The exact lead construction should be confirmed according to the selected ordering configuration.
12. Secure Bulkhead Installation
The IE2M-BC is designed for threaded installation through a prepared equipment housing.The original documentation specifies a maximum bulkhead mounting torque of 100 in-lb.Correct installation is important for preventing damage to the mounting thread, O-ring, and equipment housing.The mounting surface should have a suitable surface finish, and the bulkhead nut should not be overtightened.
13. Compatible with Other IE Series Connectors
The IE2M-BC follows the Teledyne Impulse IE Series mating interface.The original documentation identifies IE2M-BC as compatible with the corresponding female IE Series interface.The original dummy plug selection table specifies IE2F-5/8-DO as the dummy plug for IE2M-BC and IE2M-5/8.Mechanical compatibility should be checked against the approved connector drawing before installation.
14. Customization for OEM Projects
HYSF SUBSEA can evaluate customized configurations for subsea equipment manufacturers and system integrators.Potential customization options include:
- Rear lead length
- Conductor size
- Lead insulation material
- Housing material
- Mounting thread
- O-ring configuration
- Electrical contact configuration
- Wiring arrangement
- Electrical test documentation
- Hydrostatic pressure test requirements
Customized configurations should be reviewed and approved against the final electrical and mechanical specifications before production.
IE2M-BC Technical Specifications
| Parameter | Reference Specification |
|---|
| Brand | HYSF SUBSEA |
| Model | IE2M-BC |
| Compatible Series | Teledyne Impulse IE Series |
| Product Type | Male Bulkhead Underwater Connector |
| Number of Contacts | 2 |
| Contact Gender | Male Pins |
| Connector Configuration | Bulkhead Receptacle |
| Mating Type | Wet-Mate |
| Connector Body | Molded Neoprene |
| Mounting Hardware | Stainless Steel |
| Mounting Thread | 7/16-20 UNF-2A |
| O-Ring | 2-014 |
| Hex Size | 0.75 inch |
| Rear Leads | 12-inch Teflon Leads |
| Lead Specification | 18 AWG Type E / Alternative Belden Configuration |
| Voltage Rating | Up to 300 VDC (Series Reference) |
| Current Rating | Up to 7 A (Series Reference) |
| Mated Pressure Rating | 10,000 psi |
| Bulkhead Open-Face Pressure | 5,000 psi |
| Maximum Mounting Torque | 100 in-lb |
| Compatible Female Interface | IE Series Female Connector |
| Compatible Dummy Plug | IE2F-5/8-DO |
| Mating Condition | Underwater, Power Off |
Engineering Note: These specifications are based on the original Teledyne Impulse IE Underwater Pluggable Series technical documentation, including Technical Bulletin 75 01 and Technical Bulletin 75 10.The 300 VDC and 7 A values are maximum series-level electrical ratings. Final HYSF product ratings must be confirmed through the approved production drawings, material selection, electrical testing, and hydrostatic qualification.The 10,000 psi pressure rating refers to the mated condition, while the 5,000 psi open-face rating applies to the bulkhead configuration.
Mechanical Mounting and Installation
The IE2M-BC is designed for threaded bulkhead installation.The connector is installed through a prepared opening in an equipment panel or pressure housing.
Mechanical Reference Specifications
| Mounting Parameter | Reference |
|---|
| Mounting Thread | 7/16-20 UNF-2A |
| O-Ring | 2-014 |
| Hex Size | 0.75 inch |
| Mounting Hardware | Stainless Steel |
| Maximum Mounting Torque | 100 in-lb |
| Rear Leads | 12 inches |
Installation Requirements
- Prepare the housing opening according to the approved mechanical drawing.
- Verify the mounting thread and engagement length.
- Inspect the O-ring and sealing surfaces.
- Install the connector without damaging the O-ring.
- Tighten the mounting hardware without exceeding the specified torque.
- Connect the rear leads according to the approved wiring diagram.
- Perform electrical continuity and insulation testing.
- Complete the required hydrostatic pressure qualification.
Proper installation is essential for maintaining the pressure integrity of the equipment housing.
Compatible Connectors and Accessories
IE2F-5/8 – Female Inline Underwater Connector
The IE2F-5/8 is the female inline connector identified in the original IE Series documentation.It provides the corresponding female mating interface for compatible male connectors, including IE2M-BC.It is suitable for cable-mounted underwater electrical connections.
IE2F-BC – Female Bulkhead Connector
The IE2F-BC is the female bulkhead configuration within the IE Series.It provides a fixed female electrical interface for compatible male connectors.It is an alternative bulkhead arrangement for equipment requiring a female connector interface.
IE2M-5/8 – Male Inline Underwater Connector
The IE2M-5/8 is the male inline cable-mounted configuration.It provides a two-contact male electrical interface for compatible female connectors.
IE2F-5/8-DO – Female Dummy Plug
The original Teledyne Impulse documentation identifies IE2F-5/8-DO as the dummy plug for IE2M-BC and IE2M-5/8.It protects the male connector interface when the operational female mating connector is not installed.Shorted dummy configurations are also available upon request in the original product documentation.
Typical Applications of IE2M-BC
1. ROV Electrical Systems
The IE2M-BC provides a fixed electrical interface for ROV pressure housings and underwater electrical enclosures.
2. Subsea Tooling
ROV tooling systems frequently require compact electrical connections for control circuits, auxiliary power, and sensor interfaces.
3. Underwater Instrumentation
Marine sensors and measurement instruments require reliable electrical feedthroughs between internal electronics and external underwater equipment.
4. Subsea Junction Boxes
The connector can be installed on subsea junction boxes to provide fixed electrical connection points.
5. Marine Research Equipment
Oceanographic equipment and underwater research platforms may use bulkhead electrical connectors for sensor and instrument connections.
6. Underwater Monitoring Systems
Subsea monitoring equipment can use the IE2M-BC for electrical connections to sensors, control units, and auxiliary devices.
7. Offshore Inspection Equipment
Offshore inspection systems frequently incorporate underwater cameras, lighting, and instrumentation requiring fixed electrical interfaces.
8. AUV and Underwater Robotic Systems
The compact bulkhead configuration can be considered for suitable underwater robotic equipment requiring two-contact electrical connections.
9. Subsea Control Modules
Subsea control equipment may use the connector for appropriately designed electrical control and auxiliary circuits.
10. Offshore Marine Equipment
The connector can be incorporated into compatible underwater equipment housings and electrical distribution systems.
Installation and Maintenance Guidelines
Step 1: Inspect the Connector
Inspect the neoprene body, stainless steel mounting section, male contact pins, rear leads, and O-ring.
Step 2: Check the Mounting Thread
Verify that the 7/16-20 UNF-2A mounting thread matches the prepared housing opening.
Step 3: Inspect the O-Ring
Check the O-ring 2-014 for cuts, deformation, or contamination.Replace damaged sealing components.
Step 4: Lubricate the Sealing Components
Apply an approved silicone-based lubricant according to the original manufacturer’s maintenance procedure.
Step 5: Install the Bulkhead Connector
Install the connector through the housing opening.Do not exceed the original recommended maximum mounting torque of 100 in-lb.
Step 6: Connect the Rear Leads
Connect the rear leads according to the approved electrical wiring diagram.Verify the conductor identification and electrical polarity.
Step 7: Verify Electrical Performance
Check electrical continuity, insulation resistance, and conductor identification.
Step 8: Mate the Connector
Align the compatible female connector and complete the mating operation according to the manufacturer’s instructions.
Step 9: Verify the Connection
Ensure that the connector is fully mated and mechanically secure.
Step 10: Perform Pressure Testing
Test the complete installation according to the required mated and open-face pressure qualification.
Important: The IE2M-BC supports underwater mating and unmating, but the electrical circuit must be switched off during these operations.
Quality Control and Testing
Depending on the approved HYSF production configuration, quality-control procedures may include:
- Visual inspection
- Dimensional inspection
- Mounting thread inspection
- O-ring inspection
- Contact inspection
- Electrical continuity testing
- Insulation resistance testing
- Contact resistance testing
- Rear lead identification
- Mating compatibility verification
- Hydrostatic pressure testing
- Open-face pressure testing
- Mated pressure testing
Test reports and certificates can be provided according to agreed project requirements.
Frequently Asked Questions
Q1: What is the IE2M-BC underwater connector?
The IE2M-BC is a two-contact male bulkhead connector from the Teledyne Impulse IE Underwater Pluggable Series.It is designed for fixed installation on underwater equipment housings.
Q2: What does BC mean?
BC stands for Bulkhead Connector, indicating a fixed connector designed for installation through an equipment housing or panel.
Q3: How many contacts does the IE2M-BC have?
The IE2M-BC has two male electrical contacts.
Q4: Is the IE2M-BC wet-mate or dry-mate?
It is a wet-mate connector that permits underwater plugging and unplugging with the electrical circuit switched off.
Q5: What is the mounting thread?
The original mechanical drawing specifies 7/16-20 UNF-2A.
Q6: What O-ring does the IE2M-BC use?
The original drawing identifies an O-ring 2-014.
Q7: What is the maximum voltage rating?
The original IE Series documentation specifies up to 300 VDC.The final operating voltage must be confirmed for the specific electrical configuration.
Q8: What is the current rating?
The original IE Series documentation specifies up to 7 A.Actual current capacity depends on the electrical configuration and operating conditions.
Q9: What is the pressure rating?
The original documentation specifies 10,000 psi when mated and 5,000 psi open-face for bulkhead connectors.
Q10: What is the maximum mounting torque?
The original drawing specifies a maximum mounting torque of 100 in-lb for BC configurations.
Q11: What is the connector body material?
The original IE Series uses molded neoprene construction.
Q12: What is the mounting hardware material?
The original IE2M-BC drawing identifies stainless steel mounting hardware.
Q13: Does the IE2M-BC have rear cable leads?
Yes. The original drawing specifies 12-inch Teflon-insulated leads.The broader IE Series documentation identifies Type E leads according to MIL-W-16878/4, 18 AWG, or an alternative Belden 34918 lead configuration.
Q14: Which dummy plug is compatible with the IE2M-BC?
The original Teledyne Impulse documentation lists IE2F-5/8-DO as the compatible dummy plug for IE2M-BC.
Q15: Can the IE2M-BC be installed on a pressure housing?
Yes. It is designed for threaded bulkhead installation through a compatible housing opening.
Q16: Can the connector be mated underwater while energized?
No. The original IE Series instructions require the electrical circuit to be switched off before underwater mating or unmating.
Q17: Is the IE2M-BC a fiber optic connector?
No. The original Teledyne Impulse technical drawing identifies it as a two-contact electrical bulkhead connector, not a two-channel fiber optic connector.
Why Choose HYSF SUBSEA IE2M-BC?
The
HYSF SUBSEA IE2M-BC Teledyne Impulse IE Series Compatible 2-Pin Male Bulkhead Underwater Connector provides a compact electrical feedthrough solution for subsea equipment.Its principal features include:
- Teledyne Impulse IE Series compatible interface
- Two male electrical contacts
- Fixed male bulkhead mounting configuration
- Wet-mate underwater connection
- Molded neoprene connector body
- Stainless steel mounting hardware
- 7/16-20 UNF-2A mounting thread
- O-ring 2-014 sealing arrangement
- Up to 300 VDC series reference
- Up to 7 A series reference
- 10,000 psi mated pressure rating
- 5,000 psi bulkhead open-face pressure rating
- 12-inch Teflon rear leads
- Compact installation footprint
- Compatible IE Series dummy plug options
For ROV manufacturers, subsea engineering companies, offshore equipment suppliers, and marine research organizations, the IE2M-BC provides a practical two-contact male bulkhead electrical connection for compatible underwater systems.
