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Overview
- Required for disconnect install on products in Bulletins A21S4, A28S4, and WS2D
- Specifically designed for Cutler-Hammer C361 and C371 disconnect switches.
- Required for HOFFMAN enclosures with preferred cutouts (A21S4, A28S4, WS2D).
- Ensures proper safety interlock between enclosure door and disconnect mechanism.
- Includes panel drilling and installation instructions.
Specifications
Application | Corrosive Environments; Controls and Drives |
Color | Gray |
Color Code | ANSI 61 |
Finish | Powder Coated |
Material | Mild Steel |
Material | Steel |
Modification Services | Yes |
Mounting Type | Panel Mount |
Size | for C-H C361/C371 in |
Thickness | 14 ga |
Thickness | 1.9 mm |
Type | Other Accessories |
Weight | 1.1 lb |
Works With | NEMA |
Package Dimensions (L x W x H) | 19.4 IN x 4.4 IN x 3 IN |
Package Dimensions (L x W x H) | 49.276 cm x 11.176 cm x 7.62 cm |
Package Weight (Imperial) | 1.100 L |
Package Weight (Metric) | 0.499 kg |
How to Install the APCCHVA Operator Adapter
This guide provides step-by-step instructions for installing the APCCHVA Operator Adapter for Cutler-Hammer C361 and C371 mechanisms in Hoffman enclosures.
Estimated time: 1h
Tools needed:
Screwdriver, Drill, Wrench
Supplies needed:
Mounting screws, Lockwashers, Flat washers, Hex nuts, Door catch
- Position the mounting plate
Place the mounting plate on the inside of the enclosure, behind the opening provided.
- Assemble the handle mechanism
Insert the Cutler-Hammer handle mechanism through the opening in the enclosure and the mounting plate, omitting the cap screw and lockwasher for the bottom hole.
- Install the slide arm
Insert the slide arm through the slot in the bottom of the mounting plate and over the defeater part of the handle assembly. Secure it with the shoulder collar and long cap screw.
- Attach the slide arm to the lock release mechanism
Connect the bottom of the slide arm to the offset arm of the lock release mechanism using flat washers, lockwashers, and hex nuts. Do not tighten yet.
- Adjust the slide arm assembly
Ensure the safety lock releases just before the master door is fully latched by adjusting the length of the slide arm.
- Install the door catch
Attach the door catch to the tapped spacer on the door using screws and lockwashers to prevent the door from opening when the handle mechanism is 'ON'.
- Drill and tap holes
Drill and tap holes in the panel as specified in the installation diagram and Cutler-Hammer instructions.
- Mount the switch or circuit breaker
Follow the Cutler-Hammer instructions to mount the switch or circuit breaker, ensuring to cut the connecting rod assembly as required.
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.