2CPX041094R9999 ABB KF55140 Fire-Protection Terminal Box 550 × 550 × 128 mm 30 Min

Why Choose the ABB KF55140 Fire-Protection Terminal Box?

The ABB KF55140 is a KF-series fire-protection terminal box designed as an empty enclosure for indoor electrical installations. Measuring 550 × 550 × 128 mm (H × W × D), it provides a protected housing for terminal and connection applications where defined fire performance is required.

The KF55140 is manufactured from A2-class non-combustible material and provides 30-minute fire resistance. It is smoke-tight and provides 30-minute fire-load insulation and functional integrity within the corresponding ABB fire-protection system. The enclosure also provides IP41 protection and Class II protective insulation.

Internally, the KF55140 provides dimensions of 400 × 400 × 84 mm. It has two cable-entry areas measuring 50 × 370 mm, while the enclosure format corresponds to 3 RE, 2 field widths and 72 space units. The product is supplied as an empty terminal box without a terminal block, allowing the internal connection arrangement to be configured for the application.

Key Advantages

• 30-minute fire resistance for protected electrical connection applications.
• Manufactured from A2-class non-combustible material.
• IP41 degree of protection for indoor installations.
• Class II protective insulation.
• Smoke-tight construction with defined fire-load insulation and functional integrity.
• Generous 400 × 400 × 84 mm internal dimensions.
• Two dedicated 50 × 370 mm cable-entry areas.
• Supplied as an empty enclosure for application-specific terminal and connection arrangements.

Key Features

• ABB KF55140 fire-protection terminal box.
• Part of the ABB KF series.
• Empty enclosure supplied without terminal block.
• Designed for indoor use.
• 30-minute fire resistance.
• A2 non-combustible material classification.
• Smoke-tight construction.
• IP41 degree of protection.
• Class II protective insulation.
• Rated operational voltage of 400 V AC.
• Rated frequency of 50/60 Hz.
• 3 RE configuration.
• 2 field widths.
• 72 space units.
• Surface-coated finish in RAL 7035.
• Supplied without a door.
• ABB order code 2CPX041094R9999.

Reliable Fire-Protected Housing for Electrical Connections

The ABB KF55140 provides a dedicated enclosure for electrical terminal and connection arrangements where maintaining defined fire performance is important. Its A2-class non-combustible construction, smoke-tight design, Class II insulation and 30-minute fire resistance make it suitable for professionally engineered indoor electrical installations.

With 400 × 400 × 84 mm of usable internal enclosure space and two 50 × 370 mm cable-entry areas, the KF55140 provides practical capacity for routing and terminating conductors. Because it is supplied without a terminal block, the internal connection equipment can be selected and arranged according to the requirements of the compatible installation.

Typical Applications

• Fire-protected electrical terminal and connection installations.
• Indoor electrical subdistribution systems.
• Electrical cable junction and termination points.
• Commercial and public-building electrical infrastructure.
• Fire-protected power distribution installations.
• Applications requiring a non-combustible, Class II, IP41 terminal enclosure.