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DIN Rail Mounted Electronic Enclosures

Altech DIN Rail enclosures make it easy to integrate PCB electronics into control panels by combining protection, functionality, and ready-to-wire terminals in one compact housing. These versatile enclosures are ideal for relays, timers, sensors, monitoring devices, transducers, and printed circuit boards, offering one of the most comprehensive selections in the industry with multiple sizes, cover styles, and terminal-to-board options.

Manufactured by DOLD, a trusted European leader in DIN enclosures and safety relays, Altech housings are built from flame-retardant, maintenance-free materials that ensure long-term durability while maintaining a clean, professional appearance. They are easy to assemble, mount on standard 35 mm DIN rails or panels, and meet international performance and safety standards.

For added flexibility, Altech offers customization including cutouts for switches or indicators, terminal marking for easier wiring, printed instructions, and even custom colors or configurations for OEM applications. With these options, your devices can be packaged attractively, safely, and tailored to your exact requirements.

DIN Enclosure Selection Guide

Click any of the image series for complete information.

KS4400 Series

KO4700 Series

K70 Series

KU4000 Series

KU4100 Series

KO4300 Series

KO4070 Series

In-Rail Busbar System

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Selection Guide
Selection Guide

KU4100 Series 0 Terminal - None

91.800
KU4100 Series 0 Terminal - None 17.5 mm Enclosure, Without Terminals, 35 mm DIN Rail The versatile KU4100 series features a compact design with different terminal configuration options. They are available in six widths with double level terminal locations. Terminal configuration options include blank enclosures with no terminal openings, fixed PCB...

KU4100 Series 12 Terminal - Screw Clamp

91.801
KU4100 Series 12 Terminal - Screw Clamp 12 Terminal, Fixed PCB Blocks, 35 mm DIN Rail The versatile KU4100 series features a compact design with different terminal configuration options. They are available in six widths with double level terminal locations. Terminal configuration options include blank enclosures with no terminal openings, fixed PCB...

KU4100 Series 12 Terminal - Screw Clamp

91.802
KU4100 Series 12 Terminal - Screw Clamp 12 Terminal, Pluggable PCB Plugs/Headers, 35 mm DIN Rail The versatile KU4100 series features a compact design with different terminal configuration options. They are available in six widths with double level terminal locations. Terminal configuration options include blank enclosures with no terminal openings,...

KU4100 Series 8 Terminal - Screw Clamp

91.803
KU4100 Series 8 Terminal - Screw Clamp 8 Terminal, High Current PCB Blocks, 35 mm DIN Rail The versatile KU4100 series features a compact design with different terminal configuration options. They are available in six widths with double level terminal locations. Terminal configuration options include blank enclosures with no terminal openings, fixed PCB...

KU4100 Series 0 Terminal - None

91.810
KU4100 Series 0 Terminal - None 35 mm Enclosure, Without Terminals, 35 mm DIN Rail The versatile KU4100 series features a compact design with different terminal configuration options. They are available in six widths with double level terminal locations. Terminal configuration options include blank enclosures with no terminal openings, fixed PCB...

KU4100 Series 20 Terminal - Screw Clamp

91.811
KU4100 Series 20 Terminal - Screw Clamp 20 Terminal, Fixed PCB Blocks, 35 mm DIN Rail The versatile KU4100 series features a compact design with different terminal configuration options. They are available in six widths with double level terminal locations. Terminal configuration options include blank enclosures with no terminal openings, fixed PCB...

KU4100 Series 20 Terminal - Screw Clamp

91.812
KU4100 Series 20 Terminal - Screw Clamp 20 Terminal, Pluggable PCB Plugs/Headers, Pluggable PCB Terminals, 35 mm DIN Rail The versatile KU4100 series features a compact design with different terminal configuration options. They are available in six widths with double level terminal locations. Terminal configuration options include blank enclosures with...

KU4100 Series 16 Terminal - Screw Clamp

91.813
KU4100 Series 16 Terminal - Screw Clamp 16 Terminal, High Current Terminals, PCB Blocks, 35 mm DIN Rail The versatile KU4100 series features a compact design with different terminal configuration options. They are available in six widths with double level terminal locations. Terminal configuration options include blank enclosures with no terminal...

KU4100 Series 0 Terminal - None

91.820
KU4100 Series 0 Terminal - None 52.5 mm Enclosure, Without Terminals, 35 mm DIN Rail The versatile KU4100 series features a compact design with different terminal configuration options. They are available in six widths with double level terminal locations. Terminal configuration options include blank enclosures with no terminal openings, fixed PCB...

KU4100 Series 36 Terminal - Screw Clamp

91.821
KU4100 Series 36 Terminal - Screw Clamp 36 Terminal, Fixed PCB Blocks, Fixed PCB Terminals, 35 mm DIN The versatile KU4100 series features a compact design with different terminal configuration options. They are available in six widths with double level terminal locations. Terminal configuration options include blank enclosures with no terminal...

KU4100 Series 36 Terminal - Screw Clamp

91.822
KU4100 Series 36 Terminal - Screw Clamp 36 Terminal, Pluggable PCB Plugs/Headers, Pluggable PCB Terminals, 35 mm DIN Rail The versatile KU4100 series features a compact design with different terminal configuration options. They are available in six widths with double level terminal locations. Terminal configuration options include blank enclosures with...

KU4100 Series 0 Terminal - None

91.830
KU4100 Series 0 Terminal - None 70 mm Enclosure, Without Terminals, 35 mm DIN Rail The versatile KU4100 series features a compact design with different terminal configuration options. They are available in six widths with double level terminal locations. Terminal configuration options include blank enclosures with no terminal openings, fixed PCB...

KU4100 Series 48 Terminal - Screw Clamp

91.831
KU4100 Series 48 Terminal - Screw Clamp 48 Terminal, Fixed PCB Blocks, Fixed PCB Terminals, 35 mm DIN Rails The versatile KU4100 series features a compact design with different terminal configuration options. They are available in six widths with double level terminal locations. Terminal configuration options include blank enclosures with no terminal...

KU4100 Series 48 Terminal - Screw Clamp

91.832
KU4100 Series 48 Terminal - Screw Clamp 48 Terminal, Pluggable PCB Plugs/Headers, 35 mm DIN Rail The versatile KU4100 series features a compact design with different terminal configuration options. They are available in six widths with double level terminal locations. Terminal configuration options include blank enclosures with no terminal openings,...

KU4100 Series 0 Terminal - None

91.840
KU4100 Series 0 Terminal - None 105 mm Enclosure, Without Terminals, 35 mm DIN Rail The versatile KU4100 series features a compact design with different terminal configuration options. They are available in six widths with double level terminal locations. Terminal configuration options include blank enclosures with no terminal openings, fixed PCB...

KU4100 Series 72 Terminal - Screw Clamp

91.841
KU4100 Series 72 Terminal - Screw Clamp 72 Terminal, Fixed PCB Blocks, Fixed PCB Terminals, 35 mm DIN Rail The versatile KU4100 series features a compact design with different terminal configuration options. They are available in six widths with double level terminal locations. Terminal configuration options include blank enclosures with no terminal...

KU4100 Series 72 Terminal - Screw Clamp

91.842
KU4100 Series 72 Terminal - Screw Clamp 72 Terminal, Pluggable PCB Plugs/Headers, Pluggable PCB Terminals, 35 mm DIN Rail The versatile KU4100 series features a compact design with different terminal configuration options. They are available in six widths with double level terminal locations. Terminal configuration options include blank enclosures with...

KU4100 Series 0 Terminal - None

91.850
KU4100 Series 0 Terminal - None 140 mm, Without Terminals, 35 mm DIN Rail The versatile KU4100 series features a compact design with different terminal configuration options. They are available in six widths with double level terminal locations. Terminal configuration options include blank enclosures with no terminal openings, fixed PCB terminals and...

KU4100 Series 96 Terminal - Screw Clamp

91.851
KU4100 Series 96 Terminal - Screw Clamp 96 Terminal, Fixed PCB Blocks, 35 mm DIN Rail The versatile KU4100 series features a compact design with different terminal configuration options. They are available in six widths with double level terminal locations. Terminal configuration options include blank enclosures with no terminal openings, fixed PCB...

KU4100 Series 96 Terminal - Screw Clamp

91.852
KU4100 Series 96 Terminal - Screw Clamp 96 Terminal, Pluggable PCB Plugs/Headers, Pluggable PCB Terminals, 35 mm DIN Rail The versatile KU4100 series features a compact design with different terminal configuration options. They are available in six widths with double level terminal locations. Terminal configuration options include blank enclosures with...

KO4300 Series 16 Terminal - Screw Clamp

90.900
KO4300 Series 16 Terminal - Screw Clamp 16 Terminal, Vertical PCB, Fixed Screw, 35 mm DIN Rail The KO4300 series offers new design styling and cost effectiveness in a high-density compact package. The double level terminals offer space savings while providing gas-tight, vibration proof connections. The enclosures are available with 16 to 64 terminals in...

KO4300 Series 16 Terminal - Screw Clamp

90.903
KO4300 Series 16 Terminal - Screw Clamp 16 Terminal, Vertical PCB, Pluggable Screw, 35 mm DIN Rail The KO4300 series offers new design styling and cost effectiveness in a high-density compact package. The double level terminals offer space savings while providing gas-tight, vibration proof connections. The enclosures are available with 16 to 64...

KO4300 Series 16 Terminal - Spring Clamp

90.905
KO4300 Series 16 Terminal - Spring Clamp 16 Terminal, Vertical PCB, Pluggable Spring, 35 mm DIN Rail The KO4300 series offers new design styling and cost effectiveness in a high-density compact package. The double level terminals offer space savings while providing gas-tight, vibration proof connections. The enclosures are available with 16 to 64...

KO4300 Series 16 Terminal - Screw Clamp

90.910
KO4300 Series 16 Terminal - Screw Clamp 16 Terminal, Tall Vertical PCB, Fixed Screw,35 mm DIN Rail The KO4300 series offers new design styling and cost effectiveness in a high-density compact package. The double level terminals offer space savings while providing gas-tight, vibration proof connections. The enclosures are available with 16 to 64...

KO4300 Series 16 Terminal - Screw Clamp

90.913
KO4300 Series 16 Terminal - Screw Clamp 16 Terminal, Tall Vertical PCB, Pluggable Screw,35 mm DIN Rail The KO4300 series offers new design styling and cost effectiveness in a high-density compact package. The double level terminals offer space savings while providing gas-tight, vibration proof connections. The enclosures are available with 16 to 64...

KO4300 Series 16 Terminal - Spring Clamp

90.915
KO4300 Series 16 Terminal - Spring Clamp 16 Terminal, Tall Vertical PCB, Pluggable Spring,35 mm DIN Rail The KO4300 series offers new design styling and cost effectiveness in a high-density compact package. The double level terminals offer space savings while providing gas-tight, vibration proof connections. The enclosures are available with 16 to 64...

KO4300 Series 32 Terminal - Screw Clamp

90.920
KO4300 Series 32 Terminal - Screw Clamp 32 Terminal, Vertical PCB, Fixed Screw, 35 mm DIN Rail The KO4300 series offers new design styling and cost effectiveness in a high-density compact package. The double level terminals offer space savings while providing gas-tight, vibration proof connections. The enclosures are available with 16 to 64 terminals in...

KO4300 Series 32 Terminal - Screw Clamp

90.923
KO4300 Series 32 Terminal - Screw Clamp 32 Terminal, Vertical PCB, Pluggable Screw, 35 mm DIN Rail The KO4300 series offers new design styling and cost effectiveness in a high-density compact package. The double level terminals offer space savings while providing gas-tight, vibration proof connections. The enclosures are available with 16 to 64...

KO4300 Series 32 Terminal - Spring Clamp

90.925
KO4300 Series 32 Terminal - Spring Clamp 32 Terminal, Vertical PCB, Pluggable Spring, 35 mm DIN Rail The KO4300 series offers new design styling and cost effectiveness in a high-density compact package. The double level terminals offer space savings while providing gas-tight, vibration proof connections. The enclosures are available with 16 to 64...

KO4300 Series 32 Terminal - Screw Clamp

90.930
KO4300 Series 32 Terminal - Screw Clamp 32 Terminal, Tall Vertical PCB, Fixed Screw, 35 mm DIN Rail The KO4300 series offers new design styling and cost effectiveness in a high-density compact package. The double level terminals offer space savings while providing gas-tight, vibration proof connections. The enclosures are available with 16 to 64...

KO4300 Series 32 Terminal - Screw Clamp

90.933
KO4300 Series 32 Terminal - Screw Clamp 32 Terminal, Tall Vertical PCB, Pluggable Screw, 35 mm DIN Rail The KO4300 series offers new design styling and cost effectiveness in a high-density compact package. The double level terminals offer space savings while providing gas-tight, vibration proof connections. The enclosures are available with 16 to 64...

KO4300 Series 32 Terminal - Spring Clamp

90.935
KO4300 Series 32 Terminal - Spring Clamp 32 Terminal, Tall Vertical PCB, Pluggable Spring, 35 mm DIN Rail The KO4300 series offers new design styling and cost effectiveness in a high-density compact package. The double level terminals offer space savings while providing gas-tight, vibration proof connections. The enclosures are available with 16 to 64...

KO4300 Series 48 Terminal - Screw Clamp

90.940
KO4300 Series 48 Terminal - Screw Clamp 48 Terminal, Vertical PCB, Fixed Screw, 35 mm DIN Rail The KO4300 series offers new design styling and cost effectiveness in a high-density compact package. The double level terminals offer space savings while providing gas-tight, vibration proof connections. The enclosures are available with 16 to 64 terminals in...

KO4300 Series 48 Terminal - Screw Clamp

90.943
KO4300 Series 48 Terminal - Screw Clamp 48 Terminal, Vertical PCB, Pluggable Screw, 35 mm DIN Rail The KO4300 series offers new design styling and cost effectiveness in a high-density compact package. The double level terminals offer space savings while providing gas-tight, vibration proof connections. The enclosures are available with 16 to 64...

KO4300 Series 48 Terminal - Spring Clamp

90.945
KO4300 Series 48 Terminal - Spring Clamp 48 Terminal, Vertical PCB, Pluggable Spring, 35 mm DIN Rail The KO4300 series offers new design styling and cost effectiveness in a high-density compact package. The double level terminals offer space savings while providing gas-tight, vibration proof connections. The enclosures are available with 16 to 64...

KO4300 Series 48 Terminal - Screw Clamp

90.950
KO4300 Series 48 Terminal - Screw Clamp 48 Terminal, Tall Vertical PCB, Fixed Screw, 35 mm DIN Rail The KO4300 series offers new design styling and cost effectiveness in a high-density compact package. The double level terminals offer space savings while providing gas-tight, vibration proof connections. The enclosures are available with 16 to 64...
Selection Guide
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