Pilz PNOZsigma Spring Loaded Terminal Set - 751004

Professional 4-pin spring-type replacement terminal set designed for PNOZsigma safety relays. The ...

Best current price£28.18from Tameson UK

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Tameson UKPilz Pnozsigma Spring Loaded Terminal Set 22.5Mm - 751004
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eBaySet 4x Mushroom Spring Loaded Terminals PNOZ S Sets 751004 22.5mm
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Product Information

Full details

The Pilz PNOZsigma Spring Loaded Terminal Set (751004) is designed for industrial automation technicians and maintenance engineers working with PNOZsigma safety relay systems. Its primary benefit is the integration of tool-free spring-loaded connection technology, which significantly reduces wiring time and ensures secure contact during operation; however, it is specifically engineered for use with PNOZsigma hardware, making it incompatible with other relay lines.

All features

Model Part Number751004
BrandPilz

Extended Product Information

FAQs

Can I use these terminals on non-Pilz relays?

No, these terminals are specifically engineered for the PNOZsigma safety relay series and will not fit other manufacturer products.

Do I need special tools to install these?

No, the terminals are designed for tool-free installation. You only need to insert the prepared wire directly into the port.

Is it required to use ferrules?

Yes, for optimal performance and safety compliance within the 0.2-1.5mm capacity, using ferrules is recommended to ensure a secure spring contact.

What is included in the package?

The package includes one each of terminal X1, X2, X3, and X4.

How do I remove a wire from the terminal?

Use a small flat-head screwdriver to depress the internal spring lever, which releases the wire grip.

What happens if I use a wire larger than 1.5mm?

Exceeding the specified wire capacity may damage the internal spring mechanism or prevent a secure connection, potentially leading to intermittent signal loss.

Troubleshooting

Wire does not stay locked in the terminal

Ensure the wire gauge is between 0.2-1.5mm and that a wire ferrule is properly crimped onto the end.

Difficulty inserting the wire into the port

Ensure the spring mechanism is not obstructed and the wire end is clean and straight; apply consistent pressure during insertion.

Terminal set does not fit the relay slot

Confirm that the relay unit is a genuine PNOZsigma model, as these terminals are specifically keyed for that series.

Pros and Cons

Pros

  • Reduces installation and maintenance time
  • Ensures consistent contact pressure through spring technology
  • Compact form factor saves space
  • Tool-free operation simplifies field repairs
  • Authentic Pilz replacement parts guarantee system integrity

Cons

  • Restricted to PNOZsigma hardware only
  • Requires ferrules for optimal connection security
  • Limited to a specific wire gauge range

Setup, Compatibility & Care

  1. Compatibility Check: Verify that your safety relay is part of the PNOZsigma series before installation. These terminals are not universal.
  2. Wire Preparation: Strip wires to the recommended length and utilize wire ferrules (0.2-1.5mm) to protect the conductors and ensure a reliable spring contact.
  3. Insertion: Simply push the ferruled wire into the designated terminal port until it clicks or reaches the stop point. Ensure the connection is seated fully.
  4. Removal: Use a flat-head screwdriver as a release tool to depress the spring lever when extracting wires for reconfiguration or servicing.
  5. Care: Keep the terminal housing free of dust, metal shavings, and moisture to ensure long-term electrical conductivity.

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