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Modular connector (industrial connector)

Modular connectors, also known as industrial connectors or pin-and-sleeve connectors, are designed for reliable power distribution and signal transmission in harsh environments. These components typically feature multiple poles (e.g., 3P, 4P, 5P) with rated currents from 16A to 125A and voltage ratings up to 690V AC. They offer IP44 to IP67 prot...

Modular connectors, also known as industrial connectors or pin-and-sleeve connectors, are designed for reliable power distribution and signal transmission in harsh environments. These components typically feature multiple poles (e.g., 3P, 4P, 5P) with rated currents from 16A to 125A and voltage ratings up to 690V AC. They offer IP44 to IP67 protection ratings, ensuring dust and water ingress resistance. Modular connectors are available in various mounting styles, including panel mount, surface mount, and cable mount, with screw or crimp termination options. They often include mechanical keying and color-coding for safety and misconnection prevention.

These connectors are widely used in industrial automation, machinery building, power distribution systems, and renewable energy installations. Common applications include connecting motors, sensors, actuators, and control panels in factories, process plants, and outdoor installations. They are also essential in temporary power distribution for construction sites, events, and mining operations, where robust and quick-connect solutions are required.

Key subcategories include rectangular connectors, circular connectors, and heavy-duty connectors. Popular article codes follow patterns like HDC-HE-16M (heavy-duty connector, 16 poles, male), HDC-HA-4P (4-pole rectangular connector), and CM-4P-32A (circular connector, 4 poles, 32A). These codes typically indicate connector type, pole count, current rating, and gender. Other common series include Han® connectors, B-Series, and M-Series modular systems.

At Electric Automation Network, we provide real-time pricing, technical documentation, and express worldwide shipping for all modular connector needs. Our team of specialized engineers offers personalized support to help you select the right connector for your application, ensuring compatibility with existing systems and compliance with international standards like IEC 60309 and UL 1682.

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Manufacturer Code Reference Catalog Number Description Delivery Price

1618125

ST-3EP1N8AAE00S

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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 Ø 3.2, 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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1600691

RC-16P1N12WB00

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Device connector, front mounting

Plug-in connector for front wall devices, RC, straight, shielded: yes, Screw lock, M23, No. of poles: 16, contact type: Pin, Soldering connection, Axial O-ring, 4x Ø 3.2

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1605859

SM-7ES1N8A8L03

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Cable connector

Plug connector. for cables, long straight, Screw lock, M40, number of poles: 4+3+PE, contact type: Female, shielded: yes, cable diameter range: 12.5 mm ... 17 mm, connection type: Crimped connection

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1603961

RC-E0146

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Spacer sleeve

Spacer bushing

Spacer sleeve

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1592088

NC-12S2N12KNLA

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Connector for cables, this item is expected to be lead-free from the second quarter of 2026 in accordance with RoHS II without exception 6c (Pb <0.1%), a lead-free alternative is pre-available upon request

Cable connector, Alternative product according to RoHS II without exception 6c (Pb &lt.; 0.1%) item code: 1240202

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1404207

VS-PPC-C1-SCRJ-POBK-PG9-A4D-OL

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Connector component

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1592108

NC-17P1N12MSEK

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Mating connector, this item is expected to be lead-free from the fourth quarter of 2026 in accordance with RoHS II without exception 6c (Pb <0.1%), a lead-free alternative is pre-available upon request

Mating connector, Alternative product according to RoHS II without exception 6c (Pb &lt.; 0.1%) item code: 1240205

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1607777

ST-Z0007

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Protective cap

Plastic protective cap for connectors with M17 knurled nut and M17 SPEEDCON knurled nut

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1607776

ST-Z0006

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Protective cap

Plastic protective cap for connectors with M17 external thread

Plastic protection cap for connectors with M17 external thread

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1611960

RM-1822160

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Plug-in Connector Components

Plug-in Connector Components

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1604225

RC-Z2059

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Protective cap

Plastic protective cap for connectors with M23 outer thread

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1604223

RC-Z2058

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Protective cap

Plastic protective cap for connectors with M23 knurled nut

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1614348

SL-Z0016

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Special wrench

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1614349

SM-Z0012

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Special wrench

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1614347

RF-Z0007

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Special wrench

Special Nut Wrench, Series: RF

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1592073

NC-12S1N12KNLA

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Connector for cables, this item is expected to be lead-free from the second quarter of 2026 in accordance with RoHS II without exception 6c (Pb <0.1%), a lead-free alternative is pre-available upon request

Cable connector, Alternative product according to RoHS II without exception 6c (Pb &lt.; 0.1%) Item code: 1240199

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1592078

NC-12S1N12KSGA

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Cable connector

M23, Plug connector. for cables, NC, Straight with plastic cap, shielded: yes, Screw lock, Alternative product according to RoHS II without exception 6c (Pb< 0.1%) item code: 1240240

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1605082

RM-1812111

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Plug-in connector components, 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

Plug-in connector components, Alternative product according to RoHS II without exception 6c (Pb &lt.; 0.1%) art.code: 1241837

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1605861

SM-7ES1N8A8L04

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Cable connector

Plug connector. for cables, long straight, Screw lock, M40, number of poles: 4+3+PE, contact type: Female, shielded: yes, cable diameter range: 17 mm ... 21 mm, connection type: Crimped connection

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1605863

SM-7ES1N8A8L05

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Cable connector

Plug connector. for cables, long straight, Screw lock, M40, number of poles: 4+3+PE, contact type: Female, shielded: yes, cable diameter range: 21 mm ... 25.5 mm, connection type: Crimped connection

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1624748

HC-28P1N12FQDU

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Coupler connector

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1605849

SM-7EPWN8AWA00

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Device connector, front mounting

Conect. plug. to be apar. front wall, straight, Screw lock, M40, number of poles: 4+3+PE, contact type: Male, Axial O-ring, 4x Ø4.2, shielded: yes, flange size: 40 mm x 40 mm, cable diameter range: 0 mm ... 0 mm, number of poles: 8, connection type: Crimped connection, series: SM, Alternative product according to RoHS II without exception 6c (Pb< 0.1%) item code: 1242006

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1617921

SF-7EP1N8AAF00S

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Positioning spike for crimp pincer SF-Z0025, for crimping contacts rotated SF and ST, diameter 1 mm and 2 mm.

Positioning spike for crimp pincer SF-Z0025, for crimping contacts rotated SF and ST, diameter 1 mm and 2 mm.

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1601620

RC-17P1N8AW200

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Device connector, front mounting

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1408235

CUC-V14-F2ZNI-EM/24FN5:FC

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Panel feed-through

Recessed push-pull frame made of metal, variant 14, incl. spring-loaded contact insert, flexible coding, for rectangular mounting opening, with gasket, without fixing screws

Push/pull panel mounting frame, metal, version 14, including contact insert with spring-cage connection, flexible coding, for rectangular mounting cutout, with seal, without fixing screws

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1592098

NC-16P1N8AKSEG

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Cable connector

M23, Plug connector. for cables, NC, Straight with plastic cap, shielded: yes, Screw lock, Alternative product according to RoHS II without exception 6c (Pb< 0.1%) Item code: 1242470

 		3 View Availability View Price

1592119

NC-17S1N8AKSK5

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Cable connector

M23, Plug connector. for cables, NC, Straight with plastic cap, shielded: yes, Screw lock, Alternative product according to RoHS II without exception 6c (Pb< 0.1%) item code: 1240252

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1611796

RC-Z2468

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Plastic anti-static dust protection cap

Anti-static plastic protective cap for connectors with knurled nut M23

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1604398

RC-Z2262

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Washer/ring

Washer / ring, Alternative product according to RoHS II without exception 6c (Pb &lt.; 0.1%) Item code: 1241772

 		3 View Availability View Price

1592065

NC-12P1N12MSEK

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Coupler connector

Plug-in mating connector, RC, Straight, plastic coated, shielded: yes, Screw lock, M23

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