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Circular connector, mounting (without cable)

Circular connectors for mounting, also known as panel-mount circular connectors, bulkhead connectors, or fixed receptacles, are designed for permanent installation on equipment panels, enclosures, or chassis. These connectors provide a robust and reliable interface for signal, data, or power transmission in industrial environments. Key technical...

Circular connectors for mounting, also known as panel-mount circular connectors, bulkhead connectors, or fixed receptacles, are designed for permanent installation on equipment panels, enclosures, or chassis. These connectors provide a robust and reliable interface for signal, data, or power transmission in industrial environments. Key technical specifications include the number of poles (e.g., 3-pin, 4-pin, 5-pin, 7-pin, 12-pin), rated current (e.g., 4A, 10A, 16A, 30A), rated voltage (e.g., 60V, 250V, 630V), IP protection rating (e.g., IP67, IP68, IP69K for harsh environments), and locking mechanisms such as bayonet, threaded, or push-pull. They are available in various standard sizes (M5, M8, M12, M16, M23, 7/8") and coding types (A-coded, B-coded, D-coded, X-coded, S-coded, T-coded) to prevent mismating. Materials typically include nickel-plated brass or stainless steel for the housing and PBT or PA for the insulator.

These connectors are essential in industrial automation, robotics, machine tools, sensor and actuator systems, fieldbus networks (PROFIBUS, DeviceNet, CANopen), and power distribution units. They are commonly found in control cabinets, conveyor systems, packaging machinery, automotive manufacturing lines, and renewable energy installations like wind turbines and solar inverters. Their rugged design ensures reliable performance in environments with vibration, moisture, dust, and extreme temperatures.

Our catalog includes subcategories such as M12 circular connectors (e.g., A-coded for sensors, D-coded for Ethernet, X-coded for 10GbE), M8 connectors for compact sensors, 7/8" connectors for power applications, and M23 connectors for servo motors and hybrid power-signal transmission. Article codes typically follow a pattern like "CIRC-M12-4P-A-M" indicating connector type, size, number of poles, coding, and gender (male/female). For example, "CIRC-M8-3P-B-F" denotes an M8, 3-pin, B-coded female connector. We also stock pre-wired versions and field-attachable variants.

Partnering with Electric Automation Network ensures access to genuine, certified products from leading manufacturers. Our engineers provide personalized technical support for connector selection, pin configuration, and compatibility. We offer real-time pricing, detailed technical datasheets, and express worldwide shipping to minimize downtime. Whether you need a single prototype or bulk production quantities, we deliver with precision and speed.

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Manufacturer Code Reference Catalog Number Description Delivery Price

1605903

TU-06P1N12WB00

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Device connector, front mounting

M23, Conect. plug. to be apar. front wall, TU, straight, shielded: yes, Bayonet lock, No. of poles: 6, Direction of rotation: Standard, contact type: Male, Weld connection, Axial O-ring, 4x Ø 3.2, Min. wall thickness: 1.5 mm, coding:N, Alternative product according to RoHS II without exception 6c (Pb< 0.1%) item code: 1242022

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1607674

ST-3EP1N8AW400S

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Device connector, front mounting

Conect. plug. to be apar. front wall, straight, for standard and SPEEDCON locking, M17, number of poles: 3+PE, contact type: Male, shielded: yes, flange measurement: 21.6 mm x 21.6 mm, protection index: IP67, number of poles: 4, connection type: Crimped connection, series: ST

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1607672

ST-3EP1N8AAC00S

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Device connector, front mounting

Conect. plug. to be apar. front wall, Swivel angle, SPEEDCON, M17, number of poles: 3+PE, contact type: Male, Axial O-ring, 4x Ø2.7, shielded: yes, flange size: 25 mm x 25 mm, protection index: IP67, number of poles: 4, connection type: Crimped connection, series: ST

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1593545

RC-06P1NC22100

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Device connector, front mounting

M23, Conect. plug. to be apar. front wall, RC, straight, shielded: yes, Screw lock, No. of poles: 6, Direction of rotation: Standard, contact type: Male, Solder connection, Flat joint, 4x Ø 3.2, coding:N, Alternative product according to RoHS II without exception 6c (Pb< 0.1%) item code: 1240384

M23, Conect. plug. to be apar. front wall, series: RC, straight, shielded: yes, Screw lock, No. of poles: 6, Direction of rotation: Standard, contact connection type: Male, Solder connection, Flat joint, 4x Ø 3.2, coding: N, Alternative product according to RoHS II without exception 6c (Pb < 0.1%) item code: 1240384

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1593549

RC-06P1NC25300

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Device connector, rear mounting

M23, Conect. plug. to be apar. poster wall, RC, straight, Screw lock, No. of poles: 6, Direction of rotation: Standard, contact type: Male, Weld connection, Radial O-ring, 4x Ø 3.2, Min. wall thickness: 2.7 mm, Max. wall thickness: 3.5 mm, coding:N, Alternative product according to RoHS II without exception 6c (Pb< 0.1%) item code: 1240385

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1613786

RF-16S1N8AAF00

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Device connector, front mounting

Conect. plug. to be apar. front wall, angled, fixed, Screw lock, M23, number of poles: 16, contact type: Female, Axial O-ring, 4x Ø 3.2, shielded: yes, flange size: 26mm x 26mm, protection index: IP67, number of poles: 16, connection type: Crimped connection, series: RF

Conect. plug. to be apar. front wall, angled, fixed, Screw lock, M23, number of poles: 16, contact connection type: Female, Axial O-ring, 4x Ø 3.2, shielded: yes, flange size: 26 mm x 26 mm, number of poles: 16, connection type: Crimp connection, series: RF

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1613784

RF-16S1N8AA200

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Device connector, front mounting

Conect. plug. to be apar. front wall, angled, fixed, Screw lock, M23, number of poles: 16, contact type: Female, Axial O-ring, 4x Ø 3.2, shielded: yes, flange size: 26mm x 26mm, protection index: IP67, number of poles: 16, connection type: Crimped connection, series: RF

Front wall headers, rigid angle, Screw lock, M23, number of poles: 16, contact type: Female connector, axial O-ring, 4x Ø 3.2, shielded: yes, flange dimension: 26 mm x 26 mm, number of poles: 16, connection type: Crimp connection, series: RF, Replacement product according to RoHS II without exception 6c (Pb < 0.1 %) reference: 1242820

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1597587

RC-12P1N8AH000

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Device connector, rear mounting

M23, Conect. plug. to be apar. wall poster., RC, straight, shielded: yes, Screw lock, No. of poles: 12, Direction of rotation: Standard, contact type: Male, Crimped connection, Axial O-ring, Central fixing M25 x 1.5, Min. wall thickness: 0.8 mm, Max. wall thickness: 6.5 mm, coding:N, Alternative product according to RoHS II without exception 6c (Pb< 0.1%) item code: 1240858

M23, Device connector rear mounting, series: RC, straight, shielded: yes, Screw locking mechanism, No. of pos.: 12, Direction of rotation: Standard, contact connection type: Pin, Crimp connection, Axial O-ring, Central fastening M25 x 1.5, Panel thickness min.: 0.8 mm, Panel thickness max.: 6.5 mm, coding: N, Alternative product in accordance with RoHS II without Exemption 6c (Pb < 0.1 %) item no.: 1240858

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1601439

RC-17P1N224000

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Device connector, rear mounting

M23, Conect. plug. to be apar. wall poster., RC, straight, Screw lock, No. of poles: 17, Direction of rotation: Standard, contact type: Male, Weld connection, Flat joint, 4xM2.5, coding:N

M23, Device connector rear mounting, series: RC, straight, Screw locking mechanism, No. of pos.: 17, Direction of rotation: Standard, contact connection type: Pin, Solder-in connection, Flat gasket, 4x M2.5, coding: N

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1598203

RC-12P2N8A2200

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Device connector, front mounting

M23, Conect. plug. to be apar. front wall, RC, straight, shielded: yes, Screw lock, No. of poles: 12, Direction of rotation: Counter movement, contact type: Male, Crimped connection, Flat joint, 4x Ø2.7, flange measurement: 25 mm x 25 mm, Min. wall thickness: 1 mm, coding:N, Alternative product according to RoHS II without exception 6c (Pb< 0.1%) item code: 1240924

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1602291

RC-17S1NA24D00

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Conect. plug. to be apar. Poster wall, Alternative product according to RoHS II without exception 6c (Pb &lt.; 0.1%) Item code: 1241455

Conect. plug. to be apar. Poster wall, Alternative product according to RoHS II without exception 6c (Pb &lt.; 0.1%) Item code: 1241455

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1597167

RC-12P1N12C364

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Rear panel feed-through

M23, Rear wall pass-through, RC, straight, shielded: yes, Screw lock, No. of poles: 12, Direction of rotation: Standard, contact type: Male, Weld connection, Radial O-ring, 4xM3, Max. wall thickness: 2.5 mm, cable diameter range: 6.5 mm ... 7.5 mm, coding:N, Alternative product according to RoHS II without exception 6c (Pb< 0.1%) item code: 1240809

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1607675

ST-3EP1N8AWQ00S

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Device connector, front mounting

Conect. plug. to be apar. front wall, straight, for standard and SPEEDCON locking, M17, number of poles: 3+PE, contact type: Male, Axial O-ring, 4x Ø2.7, shielded: yes, flange size: 21.6 mm x 21.6 mm, protection index: IP67, number of poles: 4, connection type: Crimped connection, series: ST

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1607673

ST-3EP1N8AAD00S

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Device connector, front mounting

Conect. plug. to be apar. front wall, Swivel elbow, SPEEDCON, M17, number of poles: 3+PE, contact type: Male, Axial O-ring, 4x Ø2.7, shielded: yes, flange size: 21.6 mm x 21.6 mm, protection index: IP67, number of poles: 4, connection type: Crimped connection, series: ST

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1614920

RC-12P1N12D11B

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Conect. plug. to be apar. front wall, No. of poles: 12, Direction of rotation: Standard, contact connection type: Male, Solder cup, coding: N, this item is expected to be lead-free from the third quarter of 2026 in accordance with RoHS II without exception 6c (Pb <0.1%), a lead-free alternative is pre-available upon request

Conect. plug. to be apar. front wall, No. of poles: 12, Direction of rotation: Standard, contact connection type: Male, Solder cup, coding: N, Alternative product according to RoHS II without exception 6c (Pb &lt.; 0.1%) art.code: 1242917

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1596445

RC-09S1NC2E600

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Conect. plug. to be apar. Wall poster., No. of poles: 8+1, Direction of rotation: Standard, contact connection type: Female, Solder connection, coding: N, this item is expected to be lead-free from the first quarter of 2027 in accordance with RoHS II without exception 6c (Pb <0.1%), a lead-free alternative is pre-available upon request

Conect. plug. to be apar. poster wall, No. of poles: 8+1, Rotation direction: Standard, contact connection type: Female, Solder connection, coding: N, Alternative product according to RoHS II without exception 6c (Pb &lt.; 0.1%) item code: 1240710

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1600857

RC-16S1N124100

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Device connector, rear mounting

M23, Conect. plug. to be apar. poster wall, RC, straight, Screw lock, No. of poles: 16, Rotation direction: Standard, contact type: Female, Weld connection, Flat joint, 4xM3, Min. wall thickness: 2.7 mm, Max. wall thickness: 3.5 mm, coding:N, Alternative product according to RoHS II without exception 6c (Pb< 0.1%) item code: 1241325

M23, Device connector rear mounting, series: RC, straight, Screw locking mechanism, No. of pos.: 16, Direction of rotation: Standard, contact connection type: Socket, Solder cup, Flat gasket, 4xM3, Panel thickness min.: 2.7 mm, Panel thickness max.: 3.5 mm, coding: N, Alternative product in accordance with RoHS II without Exemption 6c (Pb < 0.1 %) item no.: 1241262

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1613077

RC-06P1X8A5000

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Device connector, rear mounting

M23, Conect. plug. to be apar. poster wall, RC, straight, Screw lock, No. of poles: 6, Rotation direction: Standard, contact type: Male, Crimped connection, Flat joint, 4x Ø2.7, Min. wall thickness: 2.7 mm, Max. wall thickness: 3.5 mm, coding:X, Alternative product according to RoHS II without exception 6c (Pb< 0.1%) item code: 1242681

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1605823

SM-5ES1N8AY000

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Device connector, front mounting with knurled nut

Plug-in connector for front wall appliances with knurled nut, straight, Screw lock, M40, number of poles: 2+3+PE, contact type: Female, Axial O-ring, 4x Ø4.2, shielded: yes, flange measurement: 40 mm x 40 mm, protection index: IP67, cable diameter range: 0 mm ... 0 mm, number of poles: 6, connection type: Crimped connection, series: SM

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1602211

RC-17S1N8AC3K5

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Rear panel feed-through

M23, Rear wall pass-through, RC, straight, shielded: yes, Screw lock, No. of poles: 17, Direction of rotation: Standard, contact type: Female, Crimped connection, Radial O-ring, 4xM3, Max. wall thickness: 2.5 mm, coding:N, Alternative product according to RoHS II without exception 6c (Pb< 0.1%) item code: 1242579

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1607532

SM-5ES1N8AYW00

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Device connector, front mounting with knurled nut

Plug-in connector for front wall appliances with knurled nut, angled, fixed, Screw lock, M40, number of poles: 2+3+PE, contact type: Female, Axial O-ring, 4x Ø4.2, shielded: yes, flange measurement: 40 mm x 40 mm, protection index: IP67, connection type: Crimped connection, series: SM

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1610230

RC-06S1N12WS00

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Device connector, front mounting

M23, Conect. plug. to be apar. front wall, RC, straight, shielded: yes, Screw lock, No. of poles: 6, Direction of rotation: Standard, contact type: Female, Solder connection, Axial O-ring, 4x Ø2.7, coding:N, Alternative product according to RoHS II without exception 6c (Pb< 0.1%) item code: 1240486

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1603603

RC-63P1N12A300

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Conect. plug. to be apar. front wall, No. of poles: 6+3, Rotation direction: Standard, contact connection type: Male, Solder cup, coding: N, this item is expected to be lead-free from the third quarter of 2025 in accordance with RoHS II without exception 6c (Pb <0.1%), a lead-free alternative is pre-available upon request

Conect. plug. to be apar. front wall, Alternative product according to RoHS II without exception 6c (Pb &lt.; 0.1%) Item code: 1241652

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1598323

RC-12P2NK2WADS

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Device connector, front mounting

M23, Conect. plug. to be apar. front wall, RC, straight, shielded: yes, Screw lock, Radial O-ring, 4x Ø 3.2

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1607708

ST-5EP1N8AAC00S

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Device connector, front mounting

Conect. plug. to be apar. front wall, Swivel elbow, SPEEDCON, M17, number of poles: 5+PE, contact type: Male, Axial O-ring, 4x Ø2.7, shielded: yes, flange size: 25 mm x 25 mm, protection index: IP67, number of poles: 6, connection type: Crimped connection, series: ST

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1607709

ST-5EP1N8AAD00S

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Device connector, front mounting

Conect. plug. to be apar. front wall, Swivel elbow, SPEEDCON, M17, number of poles: 5+PE, contact type: Male, Axial O-ring, 4x Ø2.7, shielded: yes, flange measurement: 21.6 mm x 21.6 mm, protection index: IP67, number of poles: 6, connection type: Crimped connection, series: ST

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1593103

RC-06P1N122200

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Device connector, front mounting

M23, Conect. plug. to be apar. front wall, RC, straight, shielded: yes, Screw lock, No. of poles: 6, Direction of rotation: Standard, contact type: Male, Weld connection, Flat joint, 4x Ø2.7, flange measurement: 25 mm x 25 mm, Min. wall thickness: 1 mm, coding:N, Alternative product according to RoHS II without exception 6c (Pb< 0.1%) item code: 1240330

M23, Device connector front mounting, series: RC, straight, shielded: yes, Screw locking mechanism, No. of pos.: 6, Direction of rotation: Standard, contact connection type: Pin, Solder cup, Flat gasket, 4x Ø 2.7 mm, flange dimensions: 25 mm x 25 mm, Panel thickness min.: 1 mm, coding: N, Alternative product in accordance with RoHS II without Exemption 6c (Pb < 0.1 %) item no.: 1240330

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1599159

RC-12S1N8A2300

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Device connector, front mounting

M23, Conect. plug. to be apar. front wall, RC, straight, shielded: yes, Screw lock, No. of poles: 12, Rotation direction: Standard, contact type: Female, Crimped connection, Flat joint, 4x Ø 3.2, coding:N

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1596931

RC-12P1N126100

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Device connector with M20 x 1.5 screw-in thread, straight, shielded: yes, Screw locking, M23, No. of pos.: 12, type of contact: Pin, Solder connection, Axial O-ring, Central fixing, Panel thickness min.: 0.8 mm, Panel thickness max.: 6.5 mm

M23, Conect. plug. to be apar. front wall, RC, straight, shielded: yes, Screw lock, No. of poles: 12, Direction of rotation: Standard, contact type: Male, Weld connection, Axial O-ring, Central fixing, Min. wall thickness: 0.8 mm, Max. wall thickness: 6.5 mm, coding:N, Alternative product according to RoHS II without exception 6c (Pb< 0.1%) art.code: 1240762

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1603030

RC-1RP1N1260VE

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Device connector with M20 x 1.5 screw-in thread, straight, shielded: yes, Screw locking, M23, Axial seal, Central fixing, Panel thickness min.: 0.8 mm, Panel thickness max.: 6.5 mm

M23, Conect. plug. to be apar. wall poster., RC, straight, shielded: yes, Screw lock, Axial joint, Central fixing, Min. wall thickness: 0.8 mm, Max. wall thickness: 6.5 mm

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