WAGO PCB Terminal Block - 256-401

Stackable 1-way PCB terminal block from WAGO with CAGE CLAMP connection. This terminal block allow...

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RS Components Ltd- UKWago 1 Way Non-Fused Terminal Block, 28 → 12 AWG, 15A, Through Hole, Solder Terminals, 300 V
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Product Information

Full details

This WAGO PCB Terminal Block (256-401) is designed for electricians and engineers working with compact electronic devices and circuit boards. Its primary benefit is space-saving installation due to its compact design and easy, tool-free wiring via CAGE CLAMP connection. A potential consideration is its specialized nature, requiring stripped solid or ferruled conductors for optimal use. Key features include stackable design, push-in conductor entry, and flexible pin spacing.

All features

Model Part Number256-401
BrandWAGO

Extended Product Information

FAQs

What type of conductors can I use with the WAGO 256-401?

You can use stripped solid conductors or conductors terminated with appropriate ferrules. Stranded conductors are not directly supported by the push-in connection.

How do I change the pin spacing?

You can adjust the pin spacing by compressing the terminal strips together for metric spacing or pulling them apart for inch spacing. This can typically be done before or during the mounting process.

Is this terminal block stackable?

Yes, the WAGO 256-401 is designed to be stackable, allowing you to increase connection density on your PCB.

What are the dimensions of this terminal block?

The dimensions are: Width 7.8mm, Height 22.2mm, and Depth 17.6mm.

What is the benefit of the CAGE CLAMP connection?

The CAGE CLAMP connection allows for fast, reliable, and tool-free wiring. It provides a secure connection for both solid and ferruled conductors.

Can I use this terminal block for stranded wires?

The CAGE CLAMP connection is designed for stripped solid conductors or ferruled conductors. For stranded conductors, a ferrule must be used.

What is the pitch of this terminal block?

The pitch is 5/5.08mm.

Troubleshooting

Conductor will not insert into the terminal block.

Ensure the conductor is stripped to the correct length or properly terminated with a ferrule. Verify that the conductor type (solid or ferruled) is compatible. Check if the connection port is blocked by debris.

Connection is intermittent or loose.

Remove and re-insert the conductor, ensuring it is fully seated. Check that the correct type and size of conductor or ferrule is being used. Inspect the terminal block for any visible damage.

Terminal block does not sit flush on the PCB.

Verify that the PCB mounting holes and spacing match the terminal block's 5/5.08mm pitch. Ensure no obstructions are present between the terminal block and the PCB surface.

Difficulty adjusting pin spacing.

Gently compress or pull the terminal strips. Ensure you are applying pressure evenly. If the strips are already mounted and wired, it may be easier to adjust before final installation.

Pros and Cons

Pros

  • Significantly reduces space requirements on PCBs.
  • Offers quick and easy wiring without tools.
  • Provides flexibility in pin spacing for different applications.
  • Robust construction ensures reliable connections.
  • Suitable for demanding, space-constrained environments.

Cons

  • Requires specific conductor preparation (stripped solid or ferruled).
  • May require specialized tools for adjusting pin spacing if not done during initial assembly.
  • The specialized connection method might have a learning curve for users accustomed to screw terminals.
  • Grey color might not fit all aesthetic requirements.
  • Specific pitch (5/5.08mm) limits compatibility with non-standard board designs.

Setup, Compatibility & Care

Setup:

  1. Ensure the PCB has appropriate mounting holes and traces designed for the 5/5.08mm pitch.
  2. Prepare conductors: use stripped solid conductors or conductors with appropriate ferrules.
  3. To connect a conductor, simply push the stripped end or ferrule into the designated entry port until it is firmly seated.
  4. To adjust pin spacing, compress terminal strips together for metric spacing or pull them apart for inch spacing before or during mounting.

Compatibility:

  • Compatible with stripped solid conductors and ferruled conductors.
  • Designed for PCB mounting with a 5/5.08mm pitch.
  • Ensure your power and signal requirements are within the specifications of this terminal block.

Care:

  • Keep the terminal block clean and free from dust or debris.
  • Avoid exposure to excessive moisture or corrosive substances.
  • Periodically inspect connections for any signs of damage or corrosion.
  • Cleaning can be done with a dry or slightly damp cloth. Do not use solvents.

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