nVent A21GETDA - Operator Adapter,, Bulletin A80 (Accessories - Misc.), Size/Dims: for GE STDA, Material/Finish: Steel/Gray
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A21GETDA

UPC: 783510297503

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Overview

The nVent A21GETDA Operator Adapter (SKU: A21GETDA) is a critical accessory for integrating General Electric STDA variable-depth and flexible cable-operated disconnect devices into Hoffman enclosures with universal cutouts. Manufactured by nVent, a leader in electrical and thermal management solutions, this adapter ensures reliable operation and compliance with industry standards. Constructed from durable steel with a gray finish, the A21GETDA is designed for longevity in industrial settings. It is specifically engineered for use with GE STDA variable-depth mechanisms and GE flexible cable-operated mechanisms, facilitating their installation within Bulletin A21, A28, A34, and A4L3D Hoffman enclosures featuring universal flange cutouts. The adapter plate and included components are essential for interlocking the master door with the disconnect operating mechanism, providing a secure and safe connection. Installation instructions are provided with each unit. For disconnect switches rated 400A or greater, or circuit breakers rated 600A or greater, a large handle disconnect requires this adapter. Similarly, for disconnect switches rated 200A or less, or circuit breakers rated 400A or less, a small handle disconnect also requires this adapter when used with GE STDA or GEC systems. When utilizing enclosures 24.12-in. (613-mm) and deeper with short connecting rods, a Hoffman platform assembly (catalog number ADSCPA) may be required separately for certain GE devices, though this can be omitted by ordering long connecting rods, such as the TDSR extended length drive rod for General Electric devices. The A21GETDA is a key component for maintaining operational integrity and safety in demanding industrial environments.
  • Designed for General Electric STDA variable-depth and flexible cable-operated disconnect devices.
  • Compatible with Hoffman enclosures featuring universal flange cutouts (Bulletin A21, A28, A34, A4L3D).
  • Steel construction with a gray finish for durability and corrosion resistance.
  • Facilitates door interlocking with the disconnect operating mechanism.
  • Required for both large and small handle disconnects when used with GE STDA/GEC systems.

Specifications

Color
Gray
Material
Steel
Series
Bulletin A80
Size
for GE STDA
Package Dimensions (L x W x H)
19.25 IN x 4.25 IN x 2.75 IN
Package Dimensions (L x W x H)
48.895 cm x 10.795 cm x 6.985 cm
Package Weight (Imperial)
2.900 L
Package Weight (Metric)
1.315 kg
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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.

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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.

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