Tube cap Rittal DK 7955.015 — black plastic protective end cap for tubing

Rittal DK 7955.015 is a black plastic protective end cap designed to close and protect open tube ends and unused IEC 60320 C13 and C19 slots in enclosures, electrical cabinets and rack systems. Constructed from durable plastic, this removable cap provides a clean finish while preventing dust, debris and incidental contact with live connectors. The product also helps prevent accidental overloading of individual phases when used as a slot cover for power distribution units; it can be removed using the supplied release tool or a common slotted screwdriver.

Advantages

This black plastic tube cap offers a simple, cost-effective solution for protecting exposed tubing terminations and unused IEC slots. Its durable material resists everyday wear and provides reliable dust and ingress protection while remaining lightweight and non-conductive. The removable design makes installation and maintenance straightforward; covers can be fitted or removed quickly without special tools if a screwdriver is available. The finished appearance improves cable management and reduces the risk of accidental contacts within electrical enclosures and distribution units.

Suitable for (tasks / use cases)

• Closing and protecting open tube ends in control cabinets and enclosures
• Covering unused IEC 60320 C13 and C19 slots on power distribution units
• Preventing dust and debris ingress in rack-mounted equipment
• Temporary protection during assembly, transport, or storage
• Improving cable management appearance and safety in electrical installations

When it may not be suitable

This tube cap is made of general-purpose plastic and is intended for mechanical protection and dust exclusion rather than for sealing against liquids or high-pressure environments. It is not a permanent waterproof solution and should not be relied on for protection in outdoor installations without additional sealing. The cap also does not provide electrical insulation for high-voltage exposure beyond typical non-conductive material properties and should not replace dedicated insulating components where certified electrical isolation is required.

Key specifications

• Material: durable black plastic (non-conductive)
• Colour: black
• Application: protective end cap for tubing and IEC 60320 C13/C19 slot covers
• Removability: designed for easy removal with the supplied release tool or a slotted screwdriver
• Use environment: indoor electrical enclosures, rack systems and power distribution units

How to use

Align the tube cap with the open tube end or IEC slot and press firmly until the cap seats securely. For slot covers on PDU outlets, insert the cap into the unused C13 or C19 slot and ensure it is flush with the panel. To remove, use the supplied release tool or carefully lever out the cap with a slotted screwdriver, taking care to avoid contact with live parts. Regularly inspect fitted caps for wear or damage and replace if they no longer fit securely.

What to consider before purchase

• Confirm the cap dimensions match the tubing diameter or IEC slot type (C13/C19) you intend to cover
• Consider whether a removable plastic cover meets your environmental protection needs (dust vs. liquid ingress)
• Check compatibility with rack or enclosure panel thickness to ensure a secure fit
• Decide if you require a tool for removal — a release tool or slotted screwdriver is sufficient

Usage recommendations

For reliable protection, use these caps on indoor enclosures and PDUs where dust exclusion and prevention of accidental contact or overloading are needed. Avoid exposure to harsh chemicals or prolonged outdoor UV without additional protection. Inspect caps during routine maintenance and replace damaged units to maintain safety and appearance.