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PTC30/21Y Partex clip-on marker holder, 21mm, pack 200
Partex PTC30/21Y yellow clip-on cable marker holder with a 21 mm transparent label pocket, designed for 4–5 mm diameter cables and supplied in a pack of 200 for electrical wire identification.
£10.84
Why Choose the Partex PTC30/21Y Clip-On Marker Holder?
The Partex PTC30/21Y is a durable and practical yellow clip-on cable marker holder designed for clear, secure and professional identification of electrical wires and cables in industrial control panels, electrical installations and automation systems. As part of the Partex PTC clip-on marker holder series, it provides a convenient solution for organising and identifying conductors without requiring cables to be disconnected.
Featuring a 21 mm transparent label pocket and a distinctive yellow body, the PTC30/21Y securely holds compatible printed identification inserts while keeping markings clearly visible and protected. Its snap-on construction enables quick installation onto existing wiring, making it particularly useful for maintenance, panel building and electrical system modifications.
Designed for cables with an outside diameter of 4–5 mm, the PTC30/21Y is suitable for typical conductor sizes of approximately 2.5–4 mm², depending on cable insulation. Supplied in a convenient pack of 200 pieces, these marker holders provide an efficient identification solution for electrical contractors, control panel manufacturers and industrial maintenance engineers.
Key Advantages
- Convenient clip-on design enables installation without disconnecting electrical wiring.
- 21 mm transparent label pocket provides clear visibility of printed identification.
- Suitable for cables with an outside diameter of 4–5 mm.
- Yellow marker holder provides a distinctive background for clear and consistent cable identification.
- Secure snap-on mounting helps prevent accidental movement while allowing repositioning.
- Compatible with suitable Partex printed marker inserts for professional wire identification.
- Protective label pocket helps keep identification inserts securely positioned.
- Supplied in a pack of 200 pieces for efficient installation across multiple circuits.
Key Features
- Partex PTC clip-on cable marker holder series.
- PTC30/21Y yellow marker holder.
- 21 mm label pocket length.
- 4–5 mm compatible cable outside diameter.
- Suitable for approximately 2.5–4 mm² conductors, subject to insulation diameter.
- Transparent protective pocket for printed identification inserts.
- Open clip-on construction for installation before or after cable termination.
- Secure retaining barbs provide a firm grip on the cable.
- Compatible with suitable Partex PFC042 and PP+046 identification profiles.
- Durable PVC construction for electrical identification applications.
- Suitable for electrical control panels, distribution systems and industrial machinery.
- 200 marker holders per pack.
Reliable Cable Identification for Industrial Electrical Systems
Clear and consistent cable identification is essential for safe installation, efficient troubleshooting and reliable maintenance of electrical control systems. Clip-on marker holders such as the Partex PTC30/21Y provide a practical way to display printed wire references, circuit numbers and terminal identification without applying adhesive labels directly to cable insulation.
The Partex PTC series is designed for electrical engineers, control panel builders and industrial maintenance professionals who require flexible cable marking solutions. The transparent pocket protects the identification insert while keeping it readable, and the yellow holder provides a distinctive appearance for organised wiring identification. Its clip-on design allows markers to be installed or repositioned on connected conductors, making the PTC30/21Y particularly useful for industrial automation, machine wiring and electrical distribution applications.
Typical Applications
- Industrial electrical control panels and switchgear assemblies.
- PLC cabinets and industrial automation wiring.
- Motor control centres and machinery control circuits.
- Electrical distribution boards and terminal wiring.
- Industrial machinery and equipment identification.
- Electrical installation, servicing and maintenance.
- Wire and cable identification in manufacturing facilities.
- OEM control panel construction and machine building.
Technical Specifications
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| Pack Quantity | 200 | |
|---|---|---|
| Product Series | Partex PT holders | |
| Device Type | Marker holder / carrier | |
| Cable Diameter (mm) | 4–5 mm | |
| Colour | Yellow | |
| Material | PVC | |
| Manufacturer | Partex | |
| Series | PTC Clip-On Marker Holders | |
| Model | PTC30/21Y | |
| Product type | Clip-on cable marker holder | |
| Marker holder size | PTC30 | |
| Colour | Yellow | |
| Label pocket | Transparent | |
| Label pocket length | 21 mm | |
| Compatible cable diameter | 4–5 mm | |
| Typical conductor cross-section | 2.5–4 mm² | |
| Holder height | 7.8 mm | |
| Holder width | 5.7 mm | |
| Label pocket width | 4.6 mm | |
| Material | PVC | |
| Operating temperature | −30 to +60 °C | |
| Mounting type | Clip-on / snap-on cable mounting | |
| Compatible identification inserts | Partex PFC042 and PP+046 profiles | |
| Installation | Before or after cable termination | |
| Pack quantity | 200 pieces | |
| HS Code | 39269097 |
Frequently Asked Questions
What is the Partex PTC30/21Y used for?
The Partex PTC30/21Y is a yellow clip-on marker holder used to display printed identification labels on electrical wires and cables in control panels, industrial machinery and electrical installations.
What cable sizes are suitable for the PTC30/21Y?
The marker holder is designed for cables with an outside diameter of 4–5 mm, typically corresponding to conductor sizes of approximately 2.5–4 mm², depending on the cable insulation.
What is the label pocket length?
The PTC30/21Y features a 21 mm transparent label pocket designed to hold compatible printed identification inserts securely while keeping the markings visible.
Can the marker holder be installed on connected cables?
Yes. The clip-on construction allows the holder to be fitted before or after cable termination, making it suitable for new electrical installations and existing wiring systems.
How many marker holders are supplied in one pack?
The Partex PTC30/21Y is supplied in a pack of 200 yellow clip-on marker holders, providing a practical quantity for electrical panel building, cable identification and industrial maintenance work.
Trusted by Electrical Engineers and Panel Builders Worldwide
Partex cable identification products are used by electrical engineers, industrial automation specialists and control panel manufacturers to provide clear, durable and professional wire marking solutions. The PTC30/21Y yellow clip-on marker holder combines convenient installation, secure label retention and practical cable identification for modern electrical systems.
