Description

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The MS3116R-12-3S is a circular electrical connector in the style of the American standard 26482 series, belonging to the straight cable connection plug type. The product features three female contacts, a circular metal housing, and a snap-fit connection structure. It is equipped with a chain-style protective cap at the rear, which provides additional physical protection for the interface when the connector is not in use.

The MIL-DTL-26482 3-pin circular connector is primarily used for electrical connections between devices and can be employed in power, control, or auxiliary signal lines according to specific circuit designs.

The MS3116R-12-3S connects an equipment cable harness to a compatible connector interface through three independent socket contacts. Its bayonet coupling mechanism supports connection and disconnection through a defined operating procedure, making it suitable for equipment that requires periodic inspection, component replacement, or cable harness maintenance.

Typical applications may include equipment control circuits, instrumentation interconnections, and industrial electrical systems.

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Key Performance Advantages

Simplified Connection and Disconnection

The bayonet coupling mechanism allows mating and unmating through a defined rotational movement, simplifying routine interface handling.

More Organized Harness Interfaces

Integrating three electrical connection positions into one circular interface can reduce wiring complexity associated with separate terminals and provide a clearly defined harness boundary.

Easier Protective Cap Management

The chain-retained cap helps keep the protective accessory associated with the connector, making it easier for maintenance personnel to restore interface protection after servicing and reducing the likelihood of cap loss.

Typical Applications

◆ Industrial Automation Equipment

It can be used for auxiliary electrical interfaces in industrial control equipment, inter-device control lines, and detachable wire harness connections.

◆ Instrumentation and Test Systems

A three-contact structure can be used in detection instruments, test equipment, or measurement systems that require three independent electrical connection points.

◆ Industrial Electrical Control Systems

It can be used for detachable connections between equipment control boxes, auxiliary control units, and electrical modules, facilitating installation, fault diagnosis, and component replacement.

Product FAQ

What Is the Difference Between MS3116R-12-3S and MS3116R-12-3P ?

The key difference is the contact type: MS3116R-12-3S uses socket contacts, whereas MS3116R-12-3P uses pin contacts.

How Can Contact Damage Be Minimized During Connector Installation ?

Before installation, confirm the mating orientation and key position, then align the compatible interfaces carefully without forcing or tilting them. Inspect the contacts for bending, contamination, or foreign objects before mating, and complete the bayonet coupling according to the prescribed procedure. During disconnection, operate the coupling mechanism rather than pulling the cable to reduce mechanical stress on the contacts, terminations, and harness.

How Should the Socket Contacts of the MS3116R-12-3S Be Maintained ?

Inspect the socket contacts periodically for dust, oxidation, corrosion, or mechanical damage, and check the condition of the insulating insert and housing. Use cleaning methods compatible with the connector materials and contact finish, avoiding tools or chemicals that could damage plating or insulation. If intermittent contact, loose contacts, or significant corrosion is detected, discontinue use until the issue is addressed according to the applicable maintenance procedure.

What Is the Function of the Chain-Retained Protective Cap During Equipment Maintenance ?

The chain-retained protective cap helps protect the connector interface while it is disconnected. By keeping the cap attached to the connector, the chain reduces the likelihood of losing it during servicing and makes it easier to restore interface protection after reassembly.