Rittal 7721.735 Wall-mounted Enclosure - IP54
Part Number: 7721735
Manufacturer
Rittal
Part number
7721735
Alt Part Number
DK 7721.735
Quick Summary
Rittal 7721.735 wall-mounted enclosure provides robust housing for electrical and automation equipment in control panels. By arriving pre-configured with mounting rails, earth rail, gland plates, and cable clamping features, it reduces field assembly time and minimizes wiring errors. Key protections include an IP54 rating with solid gland plates top and bottom and IK08 impact resistance, delivering reliability in harsh industrial environments. The depth-variable hinged section and front 19-inch mounting angles enable flexible integration with varied equipment and future upgrades, preserving cabinet layout even as automation evolves. For projects across manufacturing and process industries, this enclosure helps meet scheduling goals and safety standards while simplifying service and upgrade cycles.
Product Information
Extended Description
7721735 Rittal: DK Wall-mounted enclosure, 3-part, WxHxD: 600x1021x573 mm, 21 U, pre-assembled, IP 54 with solid gland plate top and bottom
Article number
DK 7721.735
Design
Wall-mounted enclosures IT | pre-configured with mounting angles, depth-variable
Product description
Wall-mounted enclosure with optimum accessibility due to hinged part.
Material
Wall and hinged part: Sheet steel, 1.5 mm | Viewing window: Single-pane safety glass, 3 mm
Surface finish
Powder-coated
General colour
RAL 7035
Colour
Wall and hinged part: RAL 7035 | Glazed door: RAL 7035/7015 (slate grey)
Supply includes
Wall section with solid gland plate at the top and brush strip at the bottom, two vertical mounting rails and C rail, horizontal, for cable clamping | Hinged part with 25 mm pitch pattern of holes in the front and rear frame, two 482.6 mm (19") mounting angles at the front, infinitely depth-variable, and side outlet filters on the left and right | Earth rail with star earthing | Designer glazed door | 1 double-kit key no. 5 | Wall mounting bracket, 10 mm | Comfort handle for lock inserts and 2-point locking | Security lock 3524 E
Units
21 U
Dimensions
Width: 600 mm | Height: 1,012 mm | Depth: 573 mm
Installation depth
520 mm
Clearances
Clearance width: 502 mm | Clearance height: 949 mm
Depth hinged part
416 mm
Depth of wall section
135 mm
IK Code
IK08
Load capacity of hinged part (static)
750 N
Basic material
Sheet steel
Protection category to IEC 60 529
IP 54 in conjunction with solid gland plate top and bottom
Packs of
1 pc(s).
Weight/pack
55 kg
Customs tariff number
94032080
EAN
4028177324251
ETIM 9
EC000261
ECLASS 8.0
27142408
Product description
DK Wall-mounted enclosure, 3-part, WxHxD: 600x1021x573 mm, 21 U, pre-assembled, IP 54 with solid gland plate top and bottom
21 U wall-mounted enclosure, 600 x 1021 x 573 mm, 3-part and pre-assembled. This compact, pre-configured design reduces on-site assembly time and minimizes field wiring, accelerating panel build cycles for machine builders and system integrators. The result is faster time-to-commission and predictable performance in automated lines. The IP54 protection rating with solid gland plates top and bottom, combined with IK08 impact resistance, delivers durable protection against dust ingress and minor impacts, enhancing uptime in manufacturing environments. This protection translates to lower maintenance costs and fewer unexpected outages when installed near production floors or in non-climate-controlled spaces. Depth-variable hinged part with 25 mm pitch holes on the front and rear frames, plus two 482.6 mm (19") mounting angles at the front, infinitely depth-variable. It enables flexible cable routing and straightforward upgrades without cabinet replacement, making it ideal for phased automation deployments. The included cable clamping rails, earth rail, and brush strip at the bottom simplify wiring harness management and grounding practices, reducing install errors and EMI concerns. The 1.5 mm sheet steel body with powder-coated finish in RAL 7035 offers long-term durability and a clean aesthetic for industrial environments, while the glazed door option balances visibility with security. With front and rear frame access and a security locking system, this enclosure supports safe, tamper-resistant operation in high-activity facilities. The overall design is compatible with standard 19-inch equipment and mounting kits, ensuring easy integration with existing IT and control hardware in new or retrofit projects.
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FAQs
Begin by mounting the wall section and securing two vertical mounting rails and the C rail for cable clamping. Attach the front 19" mounting angles and align the hinged part, then integrate the 25 mm pitch hole pattern for hardware. Route cables using the front and rear frames, install the earth rail, and fit the glazed door if required. The pre-configured components reduce field assembly time and ensure consistent alignment for reliable panel performance.
This enclosure features IP54 protection when used with the solid gland plates on the top and bottom, guarding against dust ingress and splash exposure. It also has IK08 impact resistance, which helps protect internal components from mechanical shocks common in busy industrial settings. Together, these ratings improve uptime, reduce maintenance cycles, and support reliable operation of control systems and IT equipment.
Yes. With 21 U of internal space, a depth-variable hinged section, and 19" mounting angles, the DK 7721.735 accommodates a range of IT and automation modules. The pre-assembled configuration, along with cable management features and secure locking, simplifies integration of PLCs, drives, and rack-mount devices while maintaining orderly cabling and accessible servicing.
The unit is specified with ETIM 9 EC000261 and ECLASS 8.0 27142408 classifications, aligning it with common industry data models for easy procurement. It uses a sheet steel body with powder-coated finish in RAL 7035 and includes a designer glazed door option for visibility and security. The IP54 rating underpins environmental compliance on European projects.
Pre-configuration reduces installation time and the risk of wiring errors, translating to lower labor costs and faster project completion. Durable IP54/IK08 protection minimizes unscheduled downtime, while the modular, depth-variable design supports future upgrades without cabinet replacement. Overall, this enclosure offers predictable lifecycle costs and improved asset uptime for automated systems.