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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

KS4400 Series 18 Terminal - Screw Clamp

90.130
KS4400 Series 12 Terminal - Screw Clamp 18 Terminal, Fixed Terminal, 35 mm DIN Rail The KS4400 series is simple, modular and flexible yet highly functional. The half shell design is cost effective and provides exceptional space utilization. Three levels of terminals with fixed and pluggable PCB terminal options allow for high density connections. A...

KS4400 Series 18 Terminal - Screw Clamp

90.131
KS4400 Series 12 Terminal - Screw Clamp 18 Terminal, Pluggable Screw Terminal, 35 mm DIN Rail The KS4400 series is simple, modular and flexible yet highly functional. The half shell design is cost effective and provides exceptional space utilization. Three levels of terminals with fixed and pluggable PCB terminal options allow for high density...

KS4400 Series 18 Terminal - Spring Clamp

90.132
KS4400 Series 12 Terminal - Spring Clamp 18 Terminal, Pluggable Spring Terminal, 35 mm DIN Rail The KS4400 series is simple, modular and flexible yet highly functional. The half shell design is cost effective and provides exceptional space utilization. Three levels of terminals with fixed and pluggable PCB terminal options allow for high density...

KO4700 Series 16 Terminal - Screw Clamp

90.320
KO4700 Series 16 Terminal - Screw Clamp 16 Terminal, Pluggable Connection, 35 mm DIN Rail Our most popular enclosures, the KO4700 series offer a wide range of sizes with single and double level terminal configurations. They can be used for a wide range of applications. Complete with 8 to 132 terminals, select from pressure plate or box clamp...

KO4700 Series 16 Terminal - Screw Clamp

90.321
KO4700 Series 16 Terminal - Screw Clamp 16 Terminal, Pluggable Connection, 35 mm DIN Rail Our most popular enclosures, the KO4700 series offer a wide range of sizes with single and double level terminal configurations. They can be used for a wide range of applications. Complete with 8 to 132 terminals, select from pressure plate or box clamp...

KO4700 Series 16 Terminal - Screw Clamp

90.322
KO4700 Series 16 Terminal - Screw Clamp 16 Terminal, Pluggable Connection, 35 mm DIN Rail Our most popular enclosures, the KO4700 series offer a wide range of sizes with single and double level terminal configurations. They can be used for a wide range of applications. Complete with 8 to 132 terminals, select from pressure plate or box clamp...

KO4700 Series 30 Terminal - Screw Clamp

90.470
KO4700 Series 30 Terminal - Screw Clamp 30 Terminal, Pluggable Connection, 35 mm DIN Rail or optional panel mounting* Our most popular enclosures, the KO4700 series offer a wide range of sizes with single and double level terminal configurations. They can be used for a wide range of applications. Complete with 8 to 132 terminals, select from pressure...

KO4700 Series 30 Terminal - Screw Clamp

90.471
KO4700 Series 30 Terminal - Screw Clamp 30 Terminal, Pluggable Connection, 35 mm DIN Rail or optional panel mounting* Our most popular enclosures, the KO4700 series offer a wide range of sizes with single and double level terminal configurations. They can be used for a wide range of applications. Complete with 8 to 132 terminals, select from pressure...

KO4700 Series 30 Terminal - Screw Clamp

90.472
KO4700 Series 30 Terminal - Screw Clamp 30 Terminal, Pluggable Connection, 35 mm DIN Rail or optional panel mounting* Our most popular enclosures, the KO4700 series offer a wide range of sizes with single and double level terminal configurations. They can be used for a wide range of applications. Complete with 8 to 132 terminals, select from pressure...

K70 Series 16 Terminal - Screw Clamp

90.050
K70 Series 16 Terminal - Screw Clamp 16 Terminal, Pluggable Connection, Single Level Terminals, 35 mm DIN Rail or panel mount K70 series enclosures include a range of small to medium size DIN enclosures, complete with 8 to 32 terminals. They offer cost effective solutions for many applications. The K70s are supplied with integral pressure plate...

K70 Series 16 Terminal - Screw Clamp

90.050.5
K70 Series 16 Terminal - Screw Clamp 16 Terminal, Pluggable Connection (DIN Rail Mount Only), Single Level Terminals, 35 mm DIN Rail K70 series enclosures include a range of small to medium size DIN enclosures, complete with 8 to 32 terminals. They offer cost effective solutions for many applications. The K70s are supplied with integral pressure plate...

KU4000 Series 16 Terminal - Screw Clamp

91.240
KU4000 Series 16 Terminal - Screw Clamp 16 Terminal, Vertical PCB Screw Clamp, Right Angle Pins, 35 mm DIN Rail or optional panel mounting* The versatile KU4000 series enclosures feature generous internal space for printed circuit boards and electronic components. High density, double level snap-in terminals are of the pressure plate or spring cage...

KU4000 Series 16 Terminal - Screw Clamp

91.220
KU4000 Series 16 Terminal - Screw Clamp 16 Terminal Horizontal PCB Screw Clamp, Straight Pins, 35 mm DIN Rail or optional panel mounting* The versatile KU4000 series enclosures feature generous internal space for printed circuit boards and electronic components. High density, double level snap-in terminals are of the pressure plate or spring cage design...

KU4000 Series 16 Terminal - Spring Clamp

91.540
KU4000 Series 16 Terminal - Spring Clamp 16 Terminal, Vertical PCB Spring Clamp, Right Angle Pins, 35 mm DIN Rail or optional panel mounting* The versatile KU4000 series enclosures feature generous internal space for printed circuit boards and electronic components. High density, double level snap-in terminals are of the pressure plate or spring cage...

KU4000 Series 16 Terminal - Spring Clamp

91.520
KU4000 Series 16 Terminal - Spring Clamp 16 Terminal, Horizontal PCB Spring Clamp, Straight Pins, 35 mm DIN Rail or optional panel mounting* The versatile KU4000 series enclosures feature generous internal space for printed circuit boards and electronic components. High density, double level snap-in terminals are of the pressure plate or spring cage...

KU4000 Series 16 Terminal - Screw Clamp

91.243
KU4000 Series 16 Terminal - Screw Clamp 16 Terminal, Tall Vertical PCB Screw Clamp, Right Angle Pins, 35 mm DIN Rail or optional panel mounting* The versatile KU4000 series enclosures feature generous internal space for printed circuit boards and electronic components. High density, double level snap-in terminals are of the pressure plate or spring cage...

KU4000 Series 16 Terminal - Spring Clamp

91.543
KU4000 Series 16 Terminal - Spring Clamp 16 Terminal, Tall Vertical PCB Spring Clamp, Right Angle Pins, 35 mm DIN Rail or optional panel mounting* The versatile KU4000 series enclosures feature generous internal space for printed circuit boards and electronic components. High density, double level snap-in terminals are of the pressure plate or spring...

KU4000 Series 16 Terminal - Screw Clamp

91.250
KU4000 Series 16 Terminal - Screw Clamp 16 Terminal, Vertical PCB Screw Clamp, Right Angle Pins, 35 mm DIN Rail or optional panel mounting* The versatile KU4000 series enclosures feature generous internal space for printed circuit boards and electronic components. High density, double level snap-in terminals are of the pressure plate or spring cage...

KU4000 Series 16 Terminal - Screw Clamp

91.230
KU4000 Series 16 Terminal - Screw Clamp 16 Terminal, Horizontal PCB Screw Clamp, Right Angle Pins, 35 mm DIN Rail or optional panel mounting* The versatile KU4000 series enclosures feature generous internal space for printed circuit boards and electronic components. High density, double level snap-in terminals are of the pressure plate or spring cage...

KU4000 Series 16 Terminal - Screw Clamp

91.255
KU4000 Series 16 Terminal - Screw Clamp 16 Terminal, Vertical PCB Screw Clamp with vent side, Right Angle Pins, 35 mm DIN Rail or optional panel mounting* The versatile KU4000 series enclosures feature generous internal space for printed circuit boards and electronic components. High density, double level snap-in terminals are of the pressure plate or...

KU4000 Series 16 Terminal - Screw Clamp

91.235
KU4000 Series 16 Terminal - Screw Clamp 16 Terminal, Horizontal PCB Screw Clamp with vent side, Straight Pins, 35 mm DIN Rail or optional panel mounting* The versatile KU4000 series enclosures feature generous internal space for printed circuit boards and electronic components. High density, double level snap-in terminals are of the pressure plate or...

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...

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...
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