nVent S2MFEC - Syspend 281-Max Flange Elbow Coupling, 8.43x4.33x5.47, Black, Aluminum
nVent

S2MFEC

UPC: 783510188016


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Overview

The nVent Syspend 281-Max Flange Elbow Coupling (SKU: S2MFEC) is a high-performance, die-cast aluminum coupling designed for precision enclosure mounting in industrial and commercial applications. Engineered for flexibility and durability, this flange elbow coupling enables 300-degree rotation with secure locking positions, making it ideal for environments where adjustable orientation is critical for ergonomics, accessibility, or space optimization. The coupling attaches directly to enclosures, eliminating the need for vertical tubing while maintaining structural integrity and operational reliability. Key features of the Syspend 281-Max Flange Elbow Coupling include maintenance-free bearings for long-term performance, a built-in safety stop to prevent over-rotation, and a robust die-cast aluminum construction available in RAL 9005 black or RAL 7035 light gray finishes. The unit ships with all necessary installation hardware, including gaskets, tube setscrews, and enclosure mounting components, ensuring a complete and ready-to-install solution. This coupling is part of the Syspend 281-Max Suspension System, a modular platform trusted by engineers and technicians for human-machine interface (HMI) applications, control panels, and industrial displays. Typical applications span across manufacturing facilities, automation control rooms, data centers, and commercial kiosks where adjustable panel positioning enhances operator efficiency and workflow ergonomics. The 300-degree rotation capability allows for precise alignment of screens, keyboards, or control interfaces, reducing strain and improving user experience in high-precision environments. Industries such as automotive, aerospace, food and beverage, and pharmaceuticals rely on nVent’s Syspend systems for their proven reliability and compliance with stringent safety standards. Installation is straightforward, leveraging standard enclosure mounting hardware and pre-drilled holes for compatibility with common panel systems. The coupling’s modular design integrates seamlessly with other Syspend components, such as wall flanges, angled adapters, and rotary bases, enabling customizable configurations for tilt, rotation, and suspension. nVent, a global leader in electrical and thermal management solutions, backs the Syspend 281-Max Flange Elbow Coupling with decades of engineering expertise and a commitment to innovation in equipment protection and interface optimization. For professionals seeking a durable, flexible, and easy-to-install coupling solution, the Syspend 281-Max Flange Elbow Coupling delivers unmatched performance in dynamic industrial settings. Its combination of rotational freedom, locking security, and maintenance-free operation makes it a preferred choice for engineers prioritizing both functionality and longevity in their HMI and panel mounting systems.
  • Coupling can rotate 300 degrees with stop
  • Gasket, set screws, and mounting hardware are included
  • Gray plastic cable access cover is included
  • Assembled Syspend 281 HMI Arm System has a max weight load of 281 lb. (127.7 kg)
  • Part of nVent’s Syspend 281-Max Suspension System for modular HMI and control panel applications

Specifications

Application
Controls and Drives
Color
Black
Color
Jet Black
Color Code
RAL 9005
Depth
4.25
Depth
108
Depth
108 mm
Finish
Powder Coated
Height
5.39
Height
137
Height
137 mm
Material
Aluminum
Modification Services
Yes
Mounting Type
Enclosure Mounting
Product Family
Syspend 281-Max
Protection Rating
IP65
Series
Syspend 281-Max
Size
8.43x4.33x5.47 in
Size
8.43x4.33x5.47
Type
Syspend 281-Max
Weight
4.78 lb
Width
214 mm
Width
8.41
Width
214
Package Dimensions (L x W x H)
8.8 IN x 4.8 IN x 6.3 IN
Package Dimensions (L x W x H)
22.352 cm x 12.192 cm x 16.002 cm
Package Weight (Imperial)
4.780 L
Package Weight (Metric)
2.168 kg
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How to Install the S2MFEC Suspension System

This guide provides step-by-step instructions for mounting and wiring the S2MFEC suspension system, ensuring proper alignment and secure installation.

Estimated time: 1h

Tools needed:

Screwdriver, Torque wrench, Wire strippers

Supplies needed:

Mounting screws, Gaskets, Terminal connectors

  1. Mount the tube

    Secure the tube in the desired vertical or horizontal position using the appropriate screws. Ensure the screws are tightened to a torque of 20 Nm.

  2. Align the tube

    Adjust the tube alignment by slackening the screws and tightening them in the correct sequence to ensure there is no play. Check that the gap is a maximum of 4.4 mm.

  3. Connect the wiring

    Strip the ends of the wires and connect them to the terminal connectors. Ensure all connections are secure and insulated to prevent short circuits.

  4. Calibrate the system

    Unscrew the cover and adjust the tilt angle limiter to the desired angle. Tighten the threaded sleeve to set the inclination moment as specified.

  5. Verify installation

    Conduct a final inspection to ensure all screws are tightened, the tube is aligned, and the wiring is correctly connected. Test the system to confirm proper operation.

Frequently Asked Questions about nVent

What industries and applications are nVent products used for?

nVent products are engineered for critical infrastructure and industrial applications across multiple demanding sectors. Key markets include Construction, Data Centers, Defense, Healthcare, Mining, Oil & Gas Refineries, Power Plants, Rail/Transit, Renewable Energy, Security, Ship Building, Steel Mills, Telecom, and Utilities. Their solutions are designed to withstand extreme environmental conditions, with temperature ranges from -55°C to 105°C and specialized features like UV resistance, oil resistance, and flame resistance.

What environmental ratings do nVent products have?

nVent enclosures feature comprehensive environmental ratings, including UL 508A, CSA, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13 certifications. They are rated IEC 60529 IP66, providing robust protection against dust, water, and corrosion in both indoor and outdoor environments. These products operate effectively in temperatures ranging from -40°F to 266°F, with enhanced UV inhibitors for outdoor weathering and oil-resistant gaskets for superior sealing.

What accessories are available for nVent products?

nVent offers a comprehensive range of accessories across multiple product lines, including EMC accessories like bonding cable clamps and strain reliefs, inline accessories such as lock inserts and mounting brackets, CONCEPT accessories including panel conversion kits and rack-mount angles, and seismic accessories for specialized mounting requirements. Key accessory categories include grounding kits, DIN rail mounting solutions, panel supports, handles, and various mounting hardware compatible with different enclosure types.

What certifications and standards do nVent products comply with?

nVent products meet critical international certifications including UL (United States), CSA (Canada), CE (European Community), and EAC (Russia). Our products are designed to comply with rigorous industrial standards such as NEMA enclosure ratings, IEC 60529 IP ratings, and international safety standards across multiple industrial markets including oil & gas, power, manufacturing, and infrastructure.

What is nVent's warranty policy?

nVent offers a standard 18-month warranty from invoicing date for most automation products, covering defects in workmanship and materials. The warranty requires proper transportation, handling, storage, and installation within specified environmental conditions. Warranty coverage includes repair or replacement at nVent's discretion, with certain conditions such as authorized service repairs and operation within designed capacity limits.

What technical support does nVent offer?

nVent offers comprehensive technical support through multiple global contact centers across North America, South America, Europe, Middle East, India, and Asia. Customers can reach technical experts by phone at regional numbers, with the North American headquarters in Minneapolis, MN providing primary support at +1.763.421.2240. Additionally, nVent provides online support resources through their website, including CAD drawing downloads and an 'Ask The Expert' feature to assist with product technical inquiries.