Operator Interface Terminal Mountings

Operator Interface Terminal Mounting enclosures are built to meet your exact terminal specifications. The counterbalanced vertical motion of the Vertica Arm allows the operator to effortlessly lift, lower and reposition the HMI enclosure using one hand by pulling on the on the release handle, once released the arm automatically locks in the vertical position. NEMA Type 4 and 12 units are made from powder coated carbon steel and cast aluminum while Type 4X units are fabricated from either 304 or 316L Stainless Steel. Strongarm offers complete integration services for all Operator Interface Mountings, including customer supplied component integration, electrical wiring or customer specified and Strongarm procured and wired components.

  • Three choices of vertical gas spring assisted articulation (V – 13″; L – 23″; XL – 30″)
  • NEMA Type 4/12 (Powder Coated Steel) or Type 4X (304/316L Stainless)
  • IP54, IP64, IP65 & IP66 configurations available
  • A 1.4” (35mm) internal cable passageway maintains the NEMA rating and protects cables and wires.
  • Enclosure can swivel 320 degrees
  • Variety of different pointer options are available including Strongarm’s patented Stainless Steel Mouse
  • Mechanical Keyswitch Keyboard with super durable polyester overlay
  • Numerous mounting options, including Wall-Mount, Post Mount and Machine Top Mount
  • Enclosures are fabricated from 14 gauge carbon (4/12) or stainless steel (4X) to your exact terminal or display specs
  • Aluminum Subpanel on rear door for mounting terminal blocks, PC’s, KVM’s or other components
  • 1/4 turn latches on rear door
  • Optional Purge systems allow for installation in any Division 1 or Division 2 hazardous area
  • Intrinsically Safe Non-Incendive options are also available for Class I Division 2 areas
  • Type 4/12 units available with a variety of stock colors, however custom color are available upon reques
  • All OIT Enclosures are fabricated from scratch so we can meet HMI requirements
  • UL 508A Listed (File No E225791)

Vertical TravelVertica13 inches
Vertica L23 inches
Vertical XL30 inches
Counterbalance CapacityVertica100 lbs
Vertica L75 lbs
Vertical XL50 lbs
Load Limitations320 ft/lb maximum on swivel joint. Consult factory for larger loads.
Cable Passageway1.4" (35MM) diameter sealed continuous passageway maintains the NEMA Rating and protects wires and cables
FinishingRA35; #6 Brushed satin finish on NEMA 4X Stainless, Powder Coated Alum. on NEMA 12 Primed and Powder Coated Alum on NEMA 4
NEMA RatingNEMA Type 4/12/4X
Standard Rotations Stops (Custom stops available upon request)Enclosure Swivelstop at ±165°
Post Top Mountstop at ±165°
Wall Mountstop at ±90°
Machine Top Mountstop at ±165°
Middle Jointstop at ±126°
Rigid Wall Mountstop at ±126°
NEMA TypeType 4/12/4X
ConstructionPrecision Laser-cut; Bent and continuously TIG welded. All seams ground smooth.
Enclosure MaterialType 4/12 (14g Carbon Steel Low Carbon Sheet) Type 4X (14g 304/316L Stainless Steel Sheet)
FinishingRA35; #6 Brushed satin finish on NEMA 4X Stainless Powder Coated Steel on NEMA 12 Primed and Powder Coated Steel on NEMA 4
ReinforcementFolded and welded stiffener designed for Vertica or Cableway pendant arm mounting.
Cut-outsVertica arm handle standard, pushbuttons and other cutouts as specified by customer.
Agency ApprovalUL 508A, Rohs
Rear Door/Front DoorAvailable upon request for access to cabling and drives, 14g plate with Black Acetal Bezel and Gasket
Side Doors14g plate with Black Acetal Bezel and Gasket as required for access to cabling, drives, PCs etc.
GasketsOil Resistant Silicone foam door gaskets on NEMA 4/4X Poron door gaskets on NEMA 12.
LatchesNEMA 4/4X: Stainless Steel 1/4 turn slotted latches. NEMA 12; ¼ turn chrome slotted latch with zinc die black housing
HingesNEMA 4/4X/12: Rear door: 316 Stainless Steel lift-off hinges.

NEMA 4/12 Mounting Options

(Click here to see NEMA 4X Mounting Options)

  Arm Selections
VerticaVertica LVertica XLCableway
  Mounting Selections
Post Top MountWall MountBlind Wall MountMachine Top Mount
  Configuration Selections
  Extension Selections
Horizontal ExtensionMidjoint Extension Rigid Wall MountVertical Extension


NEMA 4X Mounting Options

  Arm Selections
VerticaVertica LVertica XLCableway
  Mounting Selections
Post Top MountWall MountWall Mount with CouplingMachine Top Mount
  Configuration Selections
  Extension Selections
Horizontal ExtensionMidjoint Extension Rigid Wall MountVertical Extension

Post Options

  Post Selections
Standard PostShort PostShort Post With StudsMachine Base Post
  Gusset & Cable Entry Selections
Gusset Post BaseConical Gusset Post Base1 1/2" NPT Conduit Junction Box
Strongarm Membrane Keyboard
Mechanical Keyswitch Membrane KeyboardMechanical Keyswitch Membrane Keyboard with Integrated Trackball
  • Mechanical Keyswitches provide tactile user feedback
  • Sealed Polyester overlay
  • Also available with integrated trackball
  • Ideal for washdown/wipedown environments
Download the STRONGARM Keyboard Data Sheet
Rubber Keyboards
  • Sealed and Durable
  • Raised Keys for Improved Tactile Feel
  • Available with Several Integrated Pointer Options
Rubber KeyboardRubber Keyboard with Hula PointerRubber Keyboard with MicroModule

Pointer Selections

STRONGARM Stainless Steel Mouse
  • NEMA 4X Rated:Completely sealed, cleanable...even submersible
  • Ergonomic: Bring the familiarity of a mouse to the industrial environment
  • Durable: 316 stainless steel construction stands up to extreme conditions
Other Pointer Selections
TouchpadOptical TrackballJoystickDuraPoint (PS/2 only)MicroModule (with or without joystick)
  Cooling Options
3" and 4" Filtered FansThermoelectric CoolerHeat Pipe Heat ExchangerVortex Cooler
Strip HeaterFan Heater
  Cable Entry
Strongarm Cable GlandCable GlandAC Cord HolderWashdown USB Port
CAT5 PortWashdown CAT5 PortWashdown Power Port 3-PoleWashdown Serial Port
  Power Management
Power Strip
Terminal Blocks: DIN Rail MountedAC Power StripAC Outlet (DIN Rail mounted)Dual AC Outlet
Transtector Surge SuppressorTranstector Surge Suppressor (DIN Rail mounted)Ditek Surge Suppressor24 DC Power Supply (2.5A or 4.2A)
Circuit Breaker
  Hazardous Area Options
Ethernet Quick DisconnectPSCAN Hazardous Area Scanner (Available for Zone 1 and Zone 2) PS/2 IsolatorUSB Isolator
  Sound Options
Strongarm Speaker  Strongarm Non-incendive Speaker
  Push Buttons
ON/OFF Switch-ABE-Stop-ABReset-ABLED Pilot Light
Hazardous Area Pushbutton-AB 800HHazardous Area E-Stop-AB 800HHazardous Area ON/OFF-AB 800HHazardous Area Pilot Light
  Door Options
Side Access DoorLocking Wing LatchWing LatchTriangular Insert Latch
Slotted LatchLexan Viewing Window
  Cut-out Options
Push Button Cut-Outs
  Miscellaneous Options
Bar Code Scanner Bracket (shown with optional scanner)Ethernet CouplerDual Ethernet CouplerWireless Delrin Antenna Block
Wireless USB AntennaUSB HubStacklightPhenolic Nameplate
Stainless Steel Laser Marked Nameplate

Download Vertica and Enclosure Specifications:
STRONGARM NEMA 4/12 Vertica Arm & Enclosures
STRONGARM NEMA 4X Stainless Steel Vertica Arm & Enclosures

Download PC Specifications:
STRONGARM B-Series Fanless PC

For more information on product specifications and instructions, please contact us at


Select a Product Below to Learn More