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XW4M/XW4N Push-in terminal Block PCB Connectors Special page

Push-In Terminal Block PCB Connectors
Designed with a Unique Dual-Spring Structure for Enhanced Ease of Use XW4M/XW4N

Push-in terminal Block PCB Connectors

What is a Push-in Terminal Block PCB Connector?

Push-in terminal block is a type of terminal Block that can be connected simply by inserting the wires. Its main feature is reduction of wiring workload.

Substantial reduction of connecting workload

Connecting workload can be reduced by over 60% when connecting round terminals and Y terminals with screws and connecting ferrule terminals by push-in insertion.

Determined by research conducted in February 2021 by Omron

Comparison table of man-hours for connecting round terminals, Y terminals, and ferrule terminals

No retightening required

If screw terminal blocks are used, it is said that retightening is required 3 times on average, at the time of manufacturing, transportation and installation. Since the push-in terminal block is supposed to have screws, it is possible to reduce the retightening workload to zero.

Benefits of XW4M/XW4N

Reduction of cycle time

  • Easy insertion and removal by pushing the lever
  • Light insertion and removal force helps reduce troubles such as pin warpage due to twisting
  • Easy operation facilitates continuity check and shipping inspection in an official residence

Save space and reduce workload

  • If multiple terminal Blocks with a small number of poles have been added, space saving and cost reduction are achieved by combining multiple poles into one.
  • No additional processing is required due to the standard pin number marking
  • Reduced man-hours by supporting reflow

Easy operation

  • Connector type (plug/socket) allows you to perform wiring anywhere
  • One-touch wiring is made possible by simply inserting the wires with ferrule terminals
  • Push-in design is maintenance free, requiring no torque management and tightening as compared to screws

Features of XW4M/XW4N

Feature 1Unique dual-spring structure *1

Easy insertion & removal, high contact reliability

Unique dual-spring structure

Structure of conventional connectors

The contact parts of conventional products will receive the contact force needed for engaging the wings one by one on each side, thus making it difficult to reduce the insertion and removal force.

Spring structure of conventional connectors 1
Spring structure of conventional connectors 2
OMRON’s unique dual-spring structure

The unique dual-spring structure allows you to control the contact force, thus reducing the contact force of the connector and ensuring the contact force needed for engaging.

OMRON’s unique dual-spring structure 1
OMRON’s unique dual-spring structure 2

State of the unique dual-spring structure during connector operation

Connector
inserting/removing

The second spring is released and the insertion and removal force is reduced by pushing the detachable lever (blue)

Connector
engaging

Contact reliability is ensured by applying the force of the second spring to the first spring

Watch the video for a detailed explanation of the unique
dual-spring structure

dual-spring structure video

*1 Unique dual-spring structure: A structure that ensures contact reliability through the combined contact force of the first and second springs when engaging, and reduces the insertion and removal force by operating the lever to open the second spring when inserting and removing. Determined by Omron research conducted in February 2021, Patent pending

Feature 2Single-handed action

Easy single-handed connector insertion and removal

With the detachable lever installed in the direction of the connector handle, you can easily insert and remove the connector with one hand.

Single-handed action 1 / Single-handed action 2

Watch the video for a detailed explanation of one-hand action

Single-handed action video

Feature 3Hands-free

Makes it easy to connect wires

With a release hole prepared for holding the screwdriver, it is possible to perform cable wiring with two hands.

Hands-free / Upper part of terminal block

Watch the video for a detailed explanation of hands-free mechanism

Hands-free video

Feature 4The product comes standard with pin number markings *2

The product comes standard with pin number markings required for connector wiring, which eliminates the need for printing on other spaces such as a board, thus reducing unnecessary space and workload.

*2 Available for XW4N only.

pin number markings

Feature 5Allows for checking continuity in the wired state

 

By using the release hole, it is possible to check the continuity even when the cable is wired.

Terminal block continuity test

Product lineup

Please swipe the table.

Row Single-Row Double-Row
Number of contacts 2 to 20 poles *Except for 19 poles 4 to 40 poles *Even number of pins except for 38 pins
Model Straight Terminals Right-Angle Terminals Straight Terminals Right-Angle Terminals
XW4M-□□D1-V1D□ XW4M-□□D1-H1D□ XW4M-□□D2-V1D□ XW4M-□□D2-H1D□
Plug XW4M-□□D1-V1D□ XW4M-□□D1-H1D□ XW4M-□□D2-V1D□ XW4M-□□D2-H1D□
Model XW4N-□□D1-□ XW4N-□□D2-□
Socket XW4N-□□D1-□ XW4N-□□D2-□

* The value in □□ represents the pole number.
* Refer to the datasheet for details

Application Examples

Extensively used in various applications from FA equipment to industrial equipment.

  • Robot Controller
    Robot Controller
  • AC Servo Driver
    AC Servo Driver
  • NC Devices
    NC Devices
  • Programmable Display
    Programmable Display
  • PLC
    PLC
  • Programmable Display
    Programmable Display
  • Measuring Instruments Machines
    Measuring Instruments Machines
  • Inspection machines
    Inspection machines

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