Contact for Pricing
Overview
- Used on all nVent HOFFMAN Type 4 and 12 disconnect enclosures with a universal flange cutout
- An operator adapter is required to install a disconnect in Bulletin A21, A28, A34, A35 and A4L3D HOFFMAN enclosures that have a universal cutout
- Operator adapters include an adapter plate and additional components needed to interlock the master door with the disconnect operating mechanism
- Installation instructions are included with each operator adapter
- Each brand and type of disconnect requires a different operator adapter
- A 400A (or greater) disconnect switch and 600A (or greater) circuit breaker require the large handle
- A 200A (or less) disconnect switch and 400A (or less) circuit breaker require a small handle
Specifications
Accessory Type | Mounting Accessories |
Application | Arc Flash Safety;Controls and Drives;Power Distribution |
Application | Controls and Drives; Arc Flash Safety; Power Distribution |
Color | Gray |
Color Code | ANSI 61 |
Consist Of | Operator Adapter |
Depth | 0.62 in |
Depth | 16 mm |
Finish | Powder Coated |
Height | 44 IN |
Height | 10.56 in |
Material | Mild Steel |
Material | Mild Steel;Steel |
Material | Steel |
Modification Services | Yes |
Thickness | 2.66 mm |
Thickness | 12 ga |
Thickness | 51.40mm (2.024") |
Type | Other Accessories |
Weight | 2.1 lb |
Width | 61 mm |
Width | 2.39 in |
Works With | NEMA |
Package Dimensions (L x W x H) | 19.3 IN x 4.4 IN x 2.9 IN |
Package Dimensions (L x W x H) | 49.022 cm x 11.176 cm x 7.366 cm |
Package Weight (Imperial) | 2.100 L |
Package Weight (Metric) | 0.953 kg |
AB253
The NEMA 3R enclosures feature a standard padlock-able handle feature. They are galvanised steel coated with Pulvalar 115 powder
BBC
Electrical box to bar mounting clip for use with BAR, RBAR, and TBAR. It is made of spring steel and has a black finish/color. The trade size is 1.63" x 0.50" x 0.68" and it includes a 1/4-20 x 3/8" screw.
OWC
Old Work Box Support Clip. Clips Lock Old-Work Steel Switch Boxes Tightly To Wall Plaster, Dry Wall, Concrete Block, Brick Or Concrete. Adapts To Any Wall Thickness Up To 3/4 Inch
H8084HLL
8x8x4 Polycarbonate Enclosure NEMA 4X | Hinged Cover | Gray | Stainless Steel Locking Latch | Mounting Feet
How to Install the ABB Variable Depth Small Handle Disconnect Switch
This guide provides step-by-step instructions for installing the ABB Variable Depth Small Handle Disconnect Switch in a Hoffman enclosure.
Estimated time: 1h
Tools needed:
Screwdriver, Wire strippers, Multimeter
Supplies needed:
Mounting screws, Terminal connectors, Nylon washers, Flat washers, Lockwashers, Hex nuts
- Install the mounting plate
Secure the mounting plate and plate gasket on the inside of the enclosure behind the rectangular opening using four screws and four nylon washers.
- Assemble the handle mechanism
Attach the ABB handle mechanism to the mounting plate installed in step 1, omitting the cap screw and lockwasher for the bottom hole.
- Install the slide arm
Position the slide arm over the defeater part of the handle assembly with the notch facing the door opening, then secure it with a long cap screw and lockwasher.
- Connect the slide arm to the lock release mechanism
Attach the bottom of the slide arm to the offset arm of the lock release mechanism using two flat washers, two lockwashers, and two hex nuts, but do not tighten yet.
- Adjust the safety lock release mechanism
Check and adjust the factory-installed roller bracket so that the door latch hits against the latch stop when closed, and adjust the slide arm length for proper safety lock release timing.
- Attach the door catch
Install the door catch to the tapped spacer on the door using two screws and lockwashers to prevent the door from opening when the handle mechanism is in the 'ON' position.
- Drill and tap holes in the panel
Follow ABB instructions to drill and tap additional holes in the panel as needed for fuse clips.
- Mount the switch or circuit breaker
Install the switch or circuit breaker according to ABB instructions, ensuring to cut off the connecting rod assembly as specified.
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.