Rittal CS 9781.866 Bayable Outdoor Enclosure - IP55
Part Number: 9781866
Manufacturer
Rittal
Part number
9781866
Alt Part Number
CS 9781.866
Quick Summary
Rittal CS 9781.866 Bayable outdoor enclosure protects electrical gear in harsh outdoor environments. Engineers often struggle to balance weather-proofing with flexible interior layouts; this model delivers a bayable frame and a 100 mm base plinth for rapid, adaptable installations. Its IP55 rating, NEMA 3R suitability for outdoor use, and IK10 impact resistance provide rugged protection in the field. Coupled with a powder-coated UV-resistant finish and a stainless steel frame, it supports reliable, long-term operation in industrial spaces. The enclosure enables scalable interior configuration for control panels and electrical infrastructure, offering tangible cost savings through easier maintenance and faster project delivery.
Product Information
Extended Description
9781866 Rittal: CS Toptec, bayable, WxHxD: 800x1600x600 mm
Article number
CS 9781.866
Design
for baying | Without cut-out
Material
Enclosure frame: Stainless steel 1.4301 (AISI 304) | Enclosure panels and base/plinth trim: Aluminium, AlMg3 | Rain canopy: Aluminium
Surface finish
Powder-coated | UV-resistant pure polyester
Colour
RAL 7035
Supply includes
Bayable, twin-walled outdoor enclosure | Enclosure frame with 25 mm system punchings in the roof and base frame plus vertical sections with two mounting levels | Front door with door stay, swing lever handle and profile half-cylinder, lock BJ 20027 | Rear panel | Rain canopy | Base/plinth with screw-fastened gland plates and screw-fastened trim panels front and rear | Door hinged on the right, may be swapped to the left
Dimensions
Width:Â 800 mm | Height:Â 1,600 mm | Depth:Â 600 mm
Dimensions
Overall height:Â 1,745 mm | Rain canopy height:Â 45 mm | Height base/plinth:Â 100 mm
Number of doors
1
Lock
Lock version:Â 4-point locking | Number of locks:Â 1 | Lock insert:Â BJ20027
Gland plate
Size:Â 2 | Qty.:Â 2
IP protection category to IEC 60 529
IP 55
Protection category NEMA
NEMA 3R
IK Code
IK10
Note
All enclosure panels are doubled and earthed (external wall onto internal wall)
Packs of
1 pc(s).
EAN
4028177986121
ETIM 9
EC000261
ECLASS 8.0
27180101
Product description
CS Toptec, bayable, WxHxD: 800x1600x600 mm
Feature: Bayable, twin-walled outdoor enclosure with 100 mm base/plinth and rain canopy. Business Impact: Enables flexible interior installation and rapid reconfiguration for evolving control schemes, reducing retrofit time. Application: Outdoor control cabinets in manufacturing lines and process plants benefit from modular layout and weather protection. Feature: Durable materials. Business Impact: Stainless steel frame (AISI 304) and aluminium panels resist corrosion, lowering replacement costs and downtime. Application: Harsh industrial and outdoor environments that demand long service life. Feature: Enhanced protection. Business Impact: IP55, NEMA 3R, and IK10 provide ingress protection, outdoor reliability, and impact resistance, ensuring compliance with industry standards. Application: Electrical infrastructure cabinets subject to weather and mechanical stress. Feature: Installation flexibility. Business Impact: Right-hand hinged door that can be swapped to left, plus two gland plates and 25 mm punchings, supports easy wiring and future expansion. Application: New line builds and upgrade projects needing modular mounting options. Feature: Standards and finish. Business Impact: UV-resistant powder coating in RAL 7035, double-earthed panels, and compliant listings (ETIM/ECLASS) simplify procurement and maintenance. Application: Global deployments requiring consistent quality and traceability.
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FAQs
CS 9781.866 offers 25 mm system punchings in the roof and base, with vertical sections providing two mounting levels and a 100 mm base/plinth. This combination supports modular interior layouts, allowing easy wiring, mounting of equipment, and future expansion without the need to replace the enclosure. It also promotes tidy cable management and space efficiency.
To maintain IP55 and NEMA 3R protection, ensure proper gasket sealing around doors and panels, secure the rain canopy, and keep the 4-point locking system engaged. The enclosure panels are doubled and earthed, which supports consistent earth continuity and moisture resistance, while the included gland plates simplify compliant cable entry.
Yes. The CS 9781.866 is designed for outdoor industrial use, including substations and process plants. It features IK10 impact resistance, a corrosion-resistant stainless frame, and UV-resistant finish, providing reliable protection for sensitive electronics in challenging environments and enabling durable automation deployments.
Key options include a right-hand hinged door that can be swapped to the left, two gland plates, and 25 mm punchings in the roof and base frame for equipment anchoring. The base/plinth height of 100 mm adds space for cable management, while the rain canopy improves weather resistance and serviceability in tight plant layouts.
Durable stainless steel framing and aluminium panels reduce corrosion-related maintenance and replacement costs. The bayable design shortens commissioning and retrofit times, supporting scalable configurations for growing automation needs and delivering a lower total cost of ownership over the enclosure’s life cycle.