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M16 Connectors

Multipole M16 circular connectors for signal-rich industrial equipment, cable assemblies and panel interfaces.

Complete product index

Explore every M16 configuration

14 product pages
Compare constructions, contact options and mounting formats.

Catalog-derived engineering summary

M16: construction and selection data

Reorganized from the applicable LMConn source-catalog pages. Final dimensions, contact ratings, keying and wiring remain controlled by the approved drawing.

Product familiesM16
Documented pin counts2-pin, 3-pin, 4-pin, 5-pin, 6-pin, 7-pin, 8-pin, 12-pin, 14-pin, 16-pin, 19-pin, 24-pin
Product constructions14
Source PDF pages16, 15

Mechanical and environmental data

Ingress protection
Depends on selected body, seal and panel interface
Mating endurance
Confirm for the selected contact system
Vibration
Confirm against the approved application specification
Mechanical shock
Confirm against the approved application specification
Salt-spray reference
Material and finish dependent
Temperature reference
Connector, contact and cable material dependent
Shielding reference
Construction and cable dependent

Construction range

female front-panel receptacle, male front-panel receptacle, metal female field connector, metal female right-angle connector, metal male right-angle connector, metal male field connector, molded female cable connector, molded male cable connector.

  • Select plug, free receptacle, fixed receptacle, panel or PCB format.
  • Confirm straight or right-angle cable exit and available installation space.
  • Match the pin count, insert orientation, contact gender and keying to the mating component.
  • Define solder, crimp, PCB or factory-molded cable termination.
  • Release cable diameter, shielding, jacket, pin map and required tests on the drawing.
How to read the ordering code

From connector format to a controlled configuration

  1. Body stylePlug or receptacle, straight, right-angle, panel or PCB construction.
  2. Key and shellKey orientation and shell-size family establish mechanical compatibility.
  3. InsertContact arrangement, contact gender and pin numbering define the electrical interface.
  4. MaterialsShell finish, insulator and contact material are selected for environment and duty.
  5. TerminationSolder, crimp, PCB, collet, cable nut or overmold completes the released build.
M16 Front-Mount Female Panel Receptacle
TH-M16-008M16 Front-Mount Female Panel Receptacle2, 3, 4, 5, 6, 7, 8, 12, 14, 16, 19, 24 contacts / pins · Solder, crimp, PCB or cable termination according to selected construction
M16 Front-Mount Male Panel Receptacle
TH-M16-007M16 Front-Mount Male Panel Receptacle2, 3, 4, 5, 6, 7, 8, 12, 14, 16, 19, 24 contacts / pins · Solder, crimp, PCB or cable termination according to selected construction
M16 Metal Female Straight Connector with Plastic Tail Tube
TH-M16-004M16 Metal Female Straight Connector with Plastic Tail Tube2, 3, 4, 5, 6, 7, 8, 12, 14, 16, 19, 24 contacts / pins · Field-wireable termination
M16 Metal Field-Wireable Female Right-Angle Connector
TH-M16-006M16 Metal Field-Wireable Female Right-Angle Connector2, 3, 4, 5, 6, 7, 8, 12, 14, 16, 19, 24 contacts / pins · Field-wireable termination
M16 Metal Field-Wireable Female Straight Connector
TH-M16-002M16 Metal Field-Wireable Female Straight Connector2, 3, 4, 5, 6, 7, 8, 12, 14, 16, 19, 24 contacts / pins · Field-wireable termination
M16 Metal Field-Wireable Male Right-Angle Connector
TH-M16-005M16 Metal Field-Wireable Male Right-Angle Connector2, 3, 4, 5, 6, 7, 8, 12, 14, 16, 19, 24 contacts / pins · Field-wireable termination
M16 Metal Field-Wireable Male Straight Connector
TH-M16-001M16 Metal Field-Wireable Male Straight Connector2, 3, 4, 5, 6, 7, 8, 12, 14, 16, 19, 24 contacts / pins · Field-wireable termination
M16 Metal Male Straight Connector with Plastic Tail Tube
TH-M16-003M16 Metal Male Straight Connector with Plastic Tail Tube2, 3, 4, 5, 6, 7, 8, 12, 14, 16, 19, 24 contacts / pins · Field-wireable termination
M16 Molded Female Cable Connector Straight or Right-Angle
TH-M16-014M16 Molded Female Cable Connector Straight or Right-Angle2, 3, 4, 5, 6, 7, 8, 12, 14, 16, 19, 24 contacts / pins · Factory overmolded cable termination
M16 Molded Male Cable Connector Straight or Right-Angle
TH-M16-013M16 Molded Male Cable Connector Straight or Right-Angle2, 3, 4, 5, 6, 7, 8, 12, 14, 16, 19, 24 contacts / pins · Factory overmolded cable termination
M16 Rear-Mount Female Panel Receptacle
TH-M16-010M16 Rear-Mount Female Panel Receptacle2, 3, 4, 5, 6, 7, 8, 12, 14, 16, 19, 24 contacts / pins · Solder, crimp, PCB or cable termination according to selected construction
M16 Rear-Mount Male Panel Receptacle
TH-M16-009M16 Rear-Mount Male Panel Receptacle2, 3, 4, 5, 6, 7, 8, 12, 14, 16, 19, 24 contacts / pins · Solder, crimp, PCB or cable termination according to selected construction
M16 Square-Flange Female Panel Receptacle
TH-M16-012M16 Square-Flange Female Panel Receptacle2, 3, 4, 5, 6, 7, 8, 12, 14, 16, 19, 24 contacts / pins · Solder, crimp, PCB or cable termination according to selected construction
M16 Square-Flange Male Panel Receptacle
TH-M16-011M16 Square-Flange Male Panel Receptacle2, 3, 4, 5, 6, 7, 8, 12, 14, 16, 19, 24 contacts / pins · Solder, crimp, PCB or cable termination according to selected construction

What M16 Connectors are designed to solve

Direct answer: M16 provides more contact capacity than small sensor connectors while keeping a familiar threaded circular form for industrial equipment.

The best result comes from matching the connector and cable to the complete system—not selecting by diameter or appearance alone. This page organizes the decisions an engineer, buyer or system integrator needs to make before requesting a drawing or quotation.

LMConn groups compatible formats by locking method, interface size, contact arrangement, installation method and cable construction. This makes it possible to compare standard options while keeping project-specific details such as pin mapping, cable length, labels and validation requirements under controlled revision.

Available product directions

Option 01

Metal straight plug

Use this configuration when the equipment layout and mating interface call for metal straight plug. Confirm the exact drawing, electrical limits and mating component before release.

Option 02

Plastic overmold plug

Use this configuration when the equipment layout and mating interface call for plastic overmold plug. Confirm the exact drawing, electrical limits and mating component before release.

Option 03

Right-angle plug

Use this configuration when the equipment layout and mating interface call for right-angle plug. Confirm the exact drawing, electrical limits and mating component before release.

Option 04

Front panel receptacle

Use this configuration when the equipment layout and mating interface call for front panel receptacle. Confirm the exact drawing, electrical limits and mating component before release.

Option 05

Rear panel receptacle

Use this configuration when the equipment layout and mating interface call for rear panel receptacle. Confirm the exact drawing, electrical limits and mating component before release.

Option 06

Square flange receptacle

Use this configuration when the equipment layout and mating interface call for square flange receptacle. Confirm the exact drawing, electrical limits and mating component before release.

Manual-derived technical content

Catalog-derived parameters with original LMConn visuals

The following technical values are taken from the supplied source manuals rather than inferred from general connector practice. The accompanying image is an original LMConn presentation visual and is not a model-specific engineering drawing. Family-level data summarizes the catalog; ordering dimensions and electrical limits must still be checked against the exact model row and contact layout.

Contact count2-24 contacts
Protection ratingIP65-IP67
Standard listedIEC 61076-2-106:2012
FormatsMetal/plastic plugs, flange, panel and molded cable

Product appearance varies by shell size, contact layout, mounting and cable configuration. Request the current model drawing and approved sample for final verification.

Engineering selection guide

  1. Determine total contact count and signal mix. Record the requirement in the interface-control drawing or RFQ so it can be verified.
  2. Check current per contact and derating. Record the requirement in the interface-control drawing or RFQ so it can be verified.
  3. Select shielded metal or insulated overmold construction. Record the requirement in the interface-control drawing or RFQ so it can be verified.
  4. Choose panel flange or threaded mount. Record the requirement in the interface-control drawing or RFQ so it can be verified.
  5. Validate cable diameter and strain relief. Record the requirement in the interface-control drawing or RFQ so it can be verified.

Information that controls the design

DecisionQuestions to answerWhy it matters
ElectricalSignal, protocol, voltage, current, contact count and shielding?Controls insert layout, contact size, cable and test plan.
MechanicalMounting, straight/angle exit, panel thickness, mating access?Controls envelope, cutout and serviceability.
EnvironmentDust, water, chemicals, temperature, vibration and mating cycles?Controls sealing, material and strain-relief choices.
CableStatic, flex, torsion, conductor size, jacket and outside diameter?Controls backshell, gland, bend radius and lifetime.
QualityInspection, electrical test, labels, traceability and packaging?Creates an objective acceptance standard.

Important: Ratings differ by exact part number, contact layout, cable and assembly condition. Values shown on a family page are selection guidance, not a substitute for the approved product drawing and datasheet.

Typical applications and design priorities

Encoders

For encoders, engineers normally prioritize connection security, routing space and service access. Document the mating part and operating conditions so the connector, cable and termination can be evaluated as one system.

Servo feedback

For servo feedback, engineers normally prioritize signal integrity, environmental protection and repeatable installation. Document the mating part and operating conditions so the connector, cable and termination can be evaluated as one system.

Industrial controls

For industrial controls, engineers normally prioritize connection security, routing space and service access. Document the mating part and operating conditions so the connector, cable and termination can be evaluated as one system.

Measurement systems

For measurement systems, engineers normally prioritize signal integrity, environmental protection and repeatable installation. Document the mating part and operating conditions so the connector, cable and termination can be evaluated as one system.

Automation cabinets

For automation cabinets, engineers normally prioritize connection security, routing space and service access. Document the mating part and operating conditions so the connector, cable and termination can be evaluated as one system.

How to compare candidate products

Begin with non-negotiable interface requirements, then compare environmental and assembly details. Do not use a single headline rating as the sole decision. A suitable candidate should match the mating geometry, contact map, electrical load, cable construction, mounting envelope and maintenance method.

For replacement projects, send photographs only as supporting information. Measurements, existing part numbers, panel cutouts and pin assignments are needed because many circular connectors have similar external shapes. For new designs, reserve space for the connector body, coupling action, minimum cable bend radius and an operator’s hand or assembly tool.

RFQ checklist

  • Target quantity, prototype quantity and annual demand.
  • Connector family, mating component or interface drawing.
  • Contact count, gender, coding, keying and pin assignment.
  • Voltage, current, signal type, network protocol and shield strategy.
  • Mounting method, panel thickness and available installation space.
  • Cable type, length, conductor size, flex requirements and jacket material.
  • Ingress protection, temperature, vibration and chemical exposure.
  • Required tests, labeling, documentation and packaging.

Frequently asked questions

What is M16 used for?

M16 provides more contact capacity than small sensor connectors while keeping a familiar threaded circular form for industrial equipment. Common uses include encoders, servo feedback, industrial controls. Final suitability depends on the selected part number and operating conditions.

How do I select the correct M16 circular connector?

Start with the mating interface, electrical function and environment. Then confirm mounting, contact layout, termination, cable diameter and keying. The selection checklist on this page captures the minimum information needed for an engineering review.

Are all M16 circular connector products interchangeable?

No. Products that look similar may differ in thread, shell size, keying, contact layout, insert orientation, sealing and dimensions. Always compare the complete dimensional drawing and mating-part definition.

Which specifications should I send for a quotation?

Send quantity, drawings or mating part, contact count, pinout, voltage and current, signal or protocol, cable type and length, environmental rating, mounting style and any testing or labeling requirements.

Can LMConn configure a custom version?

Configuration can cover contact layout, cable length, connector orientation, pin mapping, shielding, overmolding, labels and packaging where technically feasible. A drawing review is required before production.

How is the final part verified?

Verification should be defined by the project and may include dimensional inspection, continuity, insulation resistance, contact resistance, high-potential testing, shield continuity and visual checks. Required tests must be agreed in the specification.

Need a connector selected or a cable built around your equipment?

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