LD20/SP20 Industrial Flange Connector
MS27508E14B35P Connector for Robotic Arm End Effectors
The MS27508E14B35P is a MIL-SPEC circular connector engineered for industrial robotic applications where reliable power and signal transmission are critical. It is designed for robotic arm end effectors, including grippers, welding tools, and modular attachments that demand consistent electrical performance in demanding production environments.
Built to withstand vibration, dust, and harsh industrial conditions, this connector suits automation, precision robotics, and high-duty-cycle operations. Its rugged construction supports motor controllers and tool modules in modern robotic systems, helping reduce downtime caused by connection failure.

Why This Connector for Robotic End Effectors
Robotic end effectors face repeated motion, cable flex, and exposure to particulates. The MS27508E14B35P addresses these conditions with a MIL-SPEC design that prioritizes mechanical retention and environmental sealing. Buyers evaluating this connector should consider the following decision points:
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Mating reliability: The bayonet coupling mechanism provides secure engagement, reducing the risk of accidental disconnection during rapid arm movement.
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Signal and power integrity: The connector supports both high-current and sensitive signal lines, making it suitable for mixed-power tooling applications.
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Environmental resistance: The aluminum alloy housing and sealed construction protect internal contacts from dust and vibration commonly found on factory floors.
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Modular tooling compatibility: Its 37-pin configuration allows multiple functions—such as actuation, sensing, and control—to pass through a single interface point.
Application Scope and Integration Considerations
This connector is most effective in robotic arm end effector systems where a single umbilical must carry diverse electrical functions. Typical integration points include:
- Gripper actuation and position feedback
- Welding tool power and control lines
- Sensor arrays on modular tool changers
- Motor controller interfaces for multi-axis wrists
When planning integration, verify the cable diameter range and termination method against your existing harness. The connector accepts male or female contacts, so confirm the gender configuration required by your mating half before ordering. For applications involving continuous flexing near the wrist joint, additional cable strain relief is recommended to protect the termination points.
Construction and Material Highlights
The housing is machined from aluminum alloy, providing a favorable strength-to-weight ratio for payload-sensitive robotic arms. Contact cores are brass with gold plating, which supports stable signal transfer and corrosion resistance over repeated mating cycles. This material combination is selected for industrial service where connectors are routinely engaged and disengaged during tool changes.
Suitable and Unsuitable Use Cases
Suitable applications:
- Robotic arm end effectors in assembly, welding, and material handling cells
- Automated tool changers requiring a single multi-pin interface
- Industrial equipment subject to vibration and particulate exposure
Less suitable applications:
- Submerged or high-pressure washdown environments—confirm the specific IP rating with your application requirements before selection
- High-flex continuous motion cables without additional strain relief design
- Applications requiring fiber optic or high-speed data transmission beyond the connector's rated signal capability
Selection Checklist for Your Inquiry
To receive an accurate quotation and configuration recommendation, prepare the following information when contacting our engineering team:
- Required gender configuration (plug or socket) and mating counterpart details
- Cable outer diameter and conductor count for your harness
- Operating voltage and current per contact in your specific application
- Ambient temperature range and any exposure to chemicals or washdown
- Required IP rating or ingress protection level for your enclosure
- Quantity and target delivery schedule
For related robotic connector options, review the Aviation Plug Connectors series or the LD20/SP20 Industrial Flange Connector for alternative mounting configurations. For assistance with your specific robotic arm interface, contact our sales team with the checklist above to receive a configuration recommendation.
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