1. Catalogs
  2. WAGO
  3. MCS - Multi Connection System

MCS - Multi Connection System

MCS - Multi Connection System

MCS - Multi Connection System

Product catalog summary

Multi Connection System (MCS) Product Overview

The MCS connectors by WAGO offer versatile electrical connection solutions across wire-to-board, wire-to-wire, board-to-board, and board-to-wire applications. Key innovations include 100% mismating protection, customizable coding, and advanced connection technologies such as CAGE CLAMP® and Push-in CAGE CLAMP® for secure, tool-free conductor termination.

1. Connector Types and Specifications

1.1 Micro Mini Connectors (2.5 mm pin spacing)

  • Conductor range: 0.08 to 0.5 mm² (28 to 20 AWG)
  • Compact design with CAGE CLAMP® connection
  • Polyamide housing rated up to 320 V
  • Available in Through-Hole Reflow (THR) variants

1.2 Mini Connectors (3.5 mm and 3.81 mm pin spacing)

  • Conductor range: 0.08 to 1.5 mm² (28 to 14 AWG)
  • Variants include standard MINI, MINI HD, MINI SL, and low-profile MINI with push-in CAGE CLAMP®
  • Features integrated push-buttons, press-in mounting, double-row pole arrangement, and strain relief plates

1.3 Midi Connectors (5 mm, 5.08 mm, 7.5 mm, 7.62 mm pin spacing)

  • Conductor range: 0.08 to 2.5 mm² (28 to 12 AWG)
  • Available with CAGE CLAMP® or Push-in CAGE CLAMP® connection
  • Includes long contact pins for DIN-rail terminal blocks and integrated push-buttons

1.4 Maxi Connectors (7.62 mm pin spacing)

  • Conductor range: 0.5 to 10 mm² (20 to 8 AWG)
  • High-current system rated for 600 V (UL 1059)
  • Push-in termination for solid or ferruled conductors

2. Key Features and Benefits

  • 100% Mismating Protection: Prevents incorrect connections for enhanced safety and reliability.
  • Custom Coding: Enables tailored connector configurations for specific applications.
  • Connection Technologies: CAGE CLAMP® and Push-in CAGE CLAMP® allow secure, tool-free termination for various wire types.
  • Mounting Options: Includes THR, press-in, snap-in feet, locking levers, screw flanges, and panel mounting.
  • Integrated Push-Buttons: Facilitate easy disconnection and testing without tools.
  • High-Density and Low-Profile Designs: Optimize space in compact applications with double-row arrangements and slim profiles.

3. Product Range and Ordering Information

The document details series numbers and variants sorted by pin spacing and connector type, including:

  • Micro Series: 733, 734 (with locking levers, snap-in feet, push-buttons), 713
  • Mini Series: 714 (MINI SL), 2734 (with push-buttons)
  • Midi Series: 721, 2721 (with push-buttons), 231 (MIDI Classic), 2231 (with push-buttons)
  • Maxi Series: Described by conductor and voltage ratings without explicit series numbers

Each series includes male and female connectors, headers with solder or press-in pins, and accessories such as strain relief plates and mounting flanges.

4. Technical Parameters and Standards

  • Pin Spacing: 2.5 mm (Micro) to 7.62 mm (Maxi)
  • Conductor Cross-Section: 0.08 mm² up to 10 mm² depending on series
  • Voltage Ratings: Up to 320 V (Micro), 600 V UL 1059 (Maxi)
  • Current Ratings: Range from 6 A to 41 A based on connector size and type
  • Material: Polyamide housing for durability and high voltage resistance

5. Usage and Assembly Recommendations

  • Open clamping unit, insert conductor, release clamp for secure termination
  • Push-in technology supports solid or ferruled conductors for fast, reliable connections
  • Custom coding and mechanical keying prevent mismating and ensure correct assembly
  • Integrated push-buttons enable tool-free testing and disconnection

6. Detailed Connector Series and Specifications

The document further details specific series with conductor compatibility and mounting options:

  • 2231 Series: Female connectors with push-buttons and screw flanges, 0.2 to 2.5 mm²
  • 231 Series: 2-conductor female connectors, locking levers, screw flanges, male headers with solder pins, 0.08 to 2.5 mm²
  • 232 Series: Double-deck male and female headers with locking levers and mounting accessories, 0.08 to 2.5 mm²
  • 721 Series: Female connectors with snap-in feet, locking levers, push-buttons, 0.08 to 2.5 mm²
  • 2721 Series: Female connectors with push-buttons, 0.2 to 2.5 mm²
  • 723 Series: Male connectors with snap-in feet and mounting flanges, 0.08 to 2.5 mm²
  • 722 Series: Female headers with solder pins and mounting accessories, 0.08 to 2.5 mm²
  • 731 and 732 Series: Female and male connectors with snap-in feet, locking levers, angled variants, 0.08 to 2.5 mm²
  • 831 Series: Female and male connectors with locking levers for larger conductors, 0.5 to 10 mm²

7. Manufacturer and Copyright

All products are manufactured by WAGO Kontakttechnik GmbH & Co. KG, Minden, Germany. The document and its content are protected by copyright and cannot be distributed or modified without permission.

Summary

The WAGO MCS connector system provides a comprehensive, flexible, and reliable solution for a wide range of electrical connection needs. Its broad product range covers multiple pin spacings and conductor sizes, supporting both low and high current applications. Advanced features such as 100% mismating protection, custom coding, and push-in connection technology enhance safety, ease of installation, and operational reliability. Multiple mounting options and accessory availability further support diverse application requirements.

See more

Catalog excerpts

MCS - Multi Connection System-1

MULTI CONNECTION SYSTEM Product Overview

 Open the catalog to page 1
MCS - Multi Connection System-2

THE ENTIRE RANGE OF MCS CONNECTORS � MULTI CONNECTION SYSTEM MICRO Pin spacing: 2.5 mm Conductor range: 0.08 … 0.5 mm2 (28 … 20 AWG) Pin spacing: 3.5 mm, 3.81 mm Conductor range: 0.08 … 1.5 mm2 (28 … 14 AWG) The “Most Compact” MCS MICRO Connector System with CAGE CLAMP® Connection: • Mating halves are 100 % protected against mismating • For wire-to-board and wire-to-wire connections • Custom coding options • The housing‘s polyamide insulating material allows a rated voltage up to 320 V for pin spacing as low as 2.5 mm • Through-Hole Reflow (THR) variants The “Compact” MCS MINI Connector System...

 Open the catalog to page 2
MCS - Multi Connection System-3

MIDI Pin spacing: 5 mm, 7.5 mm Conductor range: 0.08 … 2.5 mm2 (28 … 12 AWG) The “Versatile” MCS MIDI Connector System with CAGE CLAMP® or Push-in CAGE CLAMP® Connection: • Mating halves are 100 % protected against mismating • For wire-to-board, wire-to-wire, board-to-board and board-to-wire connections • Custom coding options • Long contact pins connect to DIN-rail mount terminal blocks • Models available with integrated push-buttons • Also available with press-in technology MIDI Classic Pin spacing: 5 mm, 5.08 mm, 7.5 mm, 7.62 mm Conductor range: 0.08 … 2.5 mm2 (28 … 12 AWG) Pin spacing: 7.62...

 Open the catalog to page 3
MCS - Multi Connection System-4

MCS � MULTI CONNECTION SYSTEM Product Overview Sorted by Pin Spacing 2.5 mm MICRO* 3.5 mm, 3.81 mm MINI 100 % Mismating Protection Female connectors, 733 Series 0.08 … 0.5 mm2 / 28 … 20 AWG 733-106 Female connectors with locking levers, 733 Series Female connectors, 713 Series 733-336/105-604 Male connectors, 733 Series 0.08 … 1.5 mm2 / 28 … 14 AWG 734-106/107-000 Female connectors with push-buttons and locking levers, 2734 Series 0.08 … 1.5 mm2 / 28 … 14 AWG 734-106/008-000 Female connectors with push-buttons and mounting flanges, 2734 Series 0.2 … 1.5 mm2 / 24 … 14 AWG 2734-106 Female connectors...

 Open the catalog to page 4
MCS - Multi Connection System-5

5 mm MIDI 100 % Mismating Protection male connectors with sh-buttons, 4 Series Female connectors, 721 Series Female connectors with locking levers, 721 Series 0.08 … 2.5 mm2 / 28 … 12 AWG 721-105/037-000 Female connectors with mounting flanges for panel mounting, 721 Series Female connectors with mounting flanges, 721 Series 0.08 … 2,5 mm2 / 28 … 12 AWG 721-105/031-000 Female connectors with snap-in feet for panel mounting, 721 Series 0.08 … 2.5 mm2 / 28 … 12 AWG 721-305/031-000 Female connectors with push-buttons and snap-in mounting feet, 2721 Series 0.08 … 2.5 mm2 / 28 … 12 AWG 721-305/008-000...

 Open the catalog to page 5
MCS - Multi Connection System-6

5 mm, 5.08 mm MIDI Classic Female connectors with integrated end plate, 231 Series 0.08 … 2.5 mm2 / 28 … 12 AWG 231-106/102-000 Female connectors with screw flanges, 231 Series Female connectors with snap-in mounting feet, 231 Series 0.08 … 2.5 mm2 / 28 … 12 AWG 231-106/008-000 Female connectors with flanges for panel mounting, 731 Series 7.5 mm MIDI 100 % Mismating Female connectors with locking levers, 231 Series 0.08 … 2.5 mm2 / 28 … 12 AWG 231-106/037-000 Female connectors with snap-in feet for panel mounting, 5 731 Series 0.08 … 2.5 mm2 / 28 … 12 AWG 731-505/031-000 Female connectors with...

 Open the catalog to page 6
MCS - Multi Connection System-7

mating Protection Female connectors with locking levers, 721 Series 0.08 … 2.5 mm2 / 28 … 12 AWG 721-205/037-000 Female connectors with snap-in feet for panel mounting, 721 Series Female connectors, 231 Series 0.08 … 2.5 mm2 / 28 … 12 AWG 231-206/026-000 Female connectors with mounting flanges, 231 Series Female connectors with snap-in mounting feet, 231 Series 7.62 mm MAXI* Female connectors with locking levers, 231 Series 0.08 … 2.5 mm2 / 28 … 12 AWG 231-206/037-000 Female connectors with fl anges or snap-in feet for panel mounting, 731 Series 0.08 … 2.5 mm2 / 28 … 12 AWG 721-335/008-000 Female...

 Open the catalog to page 7
MCS - Multi Connection System-8

Headquarters Sales Order Service Fax WAGO is a registered trademark of WAGO Verwaltungsgesellschaft mbH. ”Copyright – WAGO Kontakttechnik GmbH & Co. KG – all rights reserved. The content and structure of the WAGO websites, catalogs, videos, and other WAGO media are subject to copyright. Distribution or modification to the contents of these pages and videos is prohibited. Furthermore, the content may neither be copied nor made available to third parties for commercial purposes. Also subject to copyright are the images and videos that were made available to WAGO Kontakttechnik GmbH & Co. KG by...

 Open the catalog to page 8

All WAGO catalogs and technical brochures

  1. 789-665

    5  Pages

  2. 752-8400

    3  Pages

  3. WAGO Marking

    92  Pages

  4. Setup unit

    1  Page

  5. KNX IP 1.1 US

    6  Pages

  6. Safety Flyer

    8  Pages

  7. PCB/MCS 12/13 GB

    636  Pages

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.