Square D MD 3-Pole Motor Disco...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$3.13

Square D MD 3-Pole Motor Disconnect Switch, NEMA 4X Enclosure

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Model: 330883

In Stock (leaves warehouse same day if ordered before 3pm ET)

$3.13
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Square D MD 3-Pole Motor Disconnect Switch, NEMA 4X Enclosure

The Square D MD Series motor disconnect switch is a three-pole (3P) switch built in a compact NEMA 4X enclosure rated for use in NEMA 1, 3, 3R, 4, 4X, and 12 applications. It is listed UL 508 Suitable for Motor Control (UL File E164864) and conforms to IEC standard 60947-3, making it a reliable choice for motor circuit disconnect duty across commercial and industrial equipment where dry, wet, or washdown-rated enclosure protection is required.

Key Features

  • Three-Pole Configuration: 3P switch design suited to three-phase motor disconnect applications.
  • Versatile Enclosure Rating: Compact NEMA 4X enclosure suitable for NEMA 1, 3, 3R, 4, 4X, and 12 applications, supporting indoor, outdoor, and washdown environments.
  • UL 508 Listed: Listed Suitable for Motor Control under UL File E164864 for verified motor circuit disconnect performance.
  • IEC 60947-3 Compliant: Conforms to the IEC 60947-3 low-voltage switchgear and disconnector standard for global specification compatibility.
  • Horsepower Ratings: Maximum horsepower ratings of 7.5 hp at 220/240 V AC, 20 hp at 440/480 V AC, and 25 hp at 600 V AC.
  • Accessory Compatible: Works with the MDS30P accessory and MDSAN11 / MDSAN20 auxiliary contacts for expanded control functionality.

Certifications & Compliance

  • UL 508 Listed, Suitable for Motor Control (UL File E164864)
  • IEC 60947-3 Compliant
  • RoHS Eur Compliant

Technical Specifications

  • Range Of Product: MD
  • Device Type: LV equipment - LV switch - disconnector
  • Warranty: 18 months
  • Toxic Heavy Metal Free: Yes
  • Mercury Free: Yes
  • Country of Origin: Tunisia

Typical Applications

  • Motor Control Centers and Industrial Machinery
  • Three-Phase Motor Disconnect Applications
  • Outdoor and Washdown Environments (NEMA 4X / NEMA 4)
  • Commercial and Industrial Electrical Installations
  • Panel Building and OEM Equipment

Why Square D?

Square D's MD Series motor disconnect switch pairs UL 508 motor control listing with IEC 60947-3 compliance in a compact, multi-rated NEMA enclosure, giving electricians, panel builders, and OEMs a dependable disconnect for demanding three-phase motor circuits. Backed by an 18-month warranty, it delivers the code-compliant performance professionals expect from Square D for industrial and commercial installations.

Manufacturer Resources

Product Specs

Product Type:
Disconnect Switch
Series:
MD
Configuration:
NEMA 4X Enclosure
Standards:
IEC 60947-3
Listing:
UL Listed
Country of Origin:
Tunisia
Department:
Electrical
Product Group:
Wiring Devices

Square D 330883 – Frequently Asked Questions

How fast can I get the Square D 330883 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Square D 330883 come with a warranty?
Absolutely. The Square D 330883 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Square D 330883?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Square D 330883 from ZenSupply?
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