Siemens
Siemens 3VA9977-0CH82 Max-Flex Chrome Handle Operating Unit
Siemens 3VA9977-0CH82 Max-Flex chrome handle operating unit (UL).
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Max-Flex operator
Polished chrome-plated steel handle
NEMA 4/4X environmental rating
UL market specific
ON/OFF status indication
Product description
The Siemens 3VA9977-0CH82 features a Max-Flex operator with a chrome-plated steel handle, offering a polished finish and robust construction. It is rated for NEMA 4 and 4X environments.
Designed exclusively for the UL market and UL applications, this operating unit has clear red (ON) and black (OFF) indicators. It is not approved for use in IEC applications, emphasizing its specific regional compliance.
Stanlo Automation, a veteran-owned distributor of industrial surplus, provides the Siemens 3VA9977-0CH82. Rely on us for quality components for your automation needs.
Technical specifications
| Handle Type | Chrome-plated steel |
| NEMA Ratings | 4, 4X |
| Indicator Colors | Black (OFF), Red (ON) |
| Market | UL only |
| Application | UL applications only |
Common applications
Washdown areas
Corrosive environments
Outdoor electrical enclosures
UL listed control panels
Compatible systems
3VA series circuit breakers (UL applications)
Also known as
Siemens 3VA9977-0CH82 Handle
Siemens Max-Flex Chrome Operator
Technical note
Expert tip
The chrome-plated steel handle is designed for environments requiring enhanced corrosion resistance, suitable for NEMA 4 and 4X applications.What happens next?
1
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2
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3
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Frequently asked questions
What environmental protection do the NEMA 4/4X ratings of the 3VA9977-0CH82 offer?
The NEMA 4 and 4X ratings for the Siemens 3VA9977-0CH82 operating unit indicate robust protection against environmental ingress. NEMA 4 is suitable for indoor and outdoor use, protecting against hose-directed water, and NEMA 4X adds protection against corrosion, making it ideal for harsher or washdown environments.