Eaton NS3-400-NA NZM3 400A 3-Pole Molded Case Circuit Breaker Disconnect Switch
Eaton NS3-400-NA NZM3 400A 3-Pole Molded Case Circuit Breaker Disconnect Switch
Eaton NS3-400-NA NZM3 400A 3-Pole Molded Case Circuit Breaker Disconnect Switch
    Eaton NS3-400-NA NZM3 400A 3-Pole Molded Case Circuit Breaker Disconnect Switch
Eaton NS3-400-NA NZM3 400A 3-Pole Molded Case Circuit Breaker Disconnect Switch

Eaton NS3-400-NA NZM3 400A 3-Pole Molded Case Circuit Breaker Disconnect Switch

Part #: NS3-400-NA Manufactured by: Eaton
Regular price
$1,104.00
Sale price
$1,104.00
Regular price
3 in Stock
Condition: New-Surplus Original Box
Shipping calculated at checkout.
Product Overview
The NS3-400-NA is a Series NZM molded case disconnect switch designed to provide safe isolation and control of electrical ...  Read more
We accept:
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa
Contact Us!

Talk to a real expert.

Mon–Sat, 7:00 AM – 8:00 PM (EST)
warranty
IQElectro 2-Year Warranty
Warranty for Product #: NS3-400-NA
IQElectro offers a free 2-year warranty on all products. You can trust that every purchase is a reliable investment in the future of your company. Warranty Terms
2-3 Day Free Shipping
Packed Ready to Ship
24/7 Expert Support
Return within 30-Days
IQElectro BBB Business Review
IQElectro is Not an authorized distributor for Eaton
Original Manufacturer's Warranty Not Covered, This Product is SURPLUS.

Product Description P/N: NS3-400-NA

Description / Specifications

Description 

The Eaton NS3-400-NA is a molded case circuit breaker disconnect switch designed to provide reliable switching and isolation for high-capacity electrical distribution systems. Eaton part number NS3-400-NA supports up to 400 A and is engineered for safe manual disconnection and control of power circuits in commercial and industrial installations. Its robust NZM3 frame construction ensures dependable performance in demanding electrical environments.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Eaton
Category Circuit Protection
Part Number NS3-400-NA
Subcategory Molded Case Circuit Breaker Disconnect Switch
Product Type Molded Case Circuit Breaker Disconnect Switch
Series Series NZM
Frame NZM3
Circuit Breaker Frame Type Disconnect switch
Amperage Rating 400 A
Voltage Rating 600 Vac
Number of Poles Three-pole
Short-Circuit Breaking Capacity 150 kAIC
Interrupt Rating 150 kAIC
Trip Rating 6600 A
Connection Type Front screw
Accessories Rocker lever, optional motor drive
Certifications UL 489; CSA Std. C22.2 No. 5; IEC 60947-2
Compliance CE Marked
Product Dimensions (L × W × H) 6.26 × 5.512 × 5.512 in
Warranty Eaton Selling Policy 25-000
Weight 13.98 lb

 

 

Information About NS3-400-NA

The NS3-400-NA is part of Eaton’s Series NZM molded case disconnect switch family, designed for reliable circuit isolation and switching operations in power distribution systems. It is built on the NZM3 frame platform and supports three-pole configurations for three-phase electrical networks. The device allows safe manual operation using a rocker lever and supports optional motor drive accessories for automated switching applications. With UL 489, IEC 60947-2, and CSA certifications along with CE compliance, it meets internationally recognized electrical safety and performance standards.


Key Features:

  • 400 Amp Current Rating: Provides reliable switching and isolation for medium to high capacity power distribution circuits.
  • NZM3 Frame Platform: Built on Eaton’s durable NZM Series architecture for long-term electrical performance.
  • Disconnect Switch Function: Enables safe manual isolation of electrical circuits for maintenance and service operations.
  • High Interrupting Capacity: Rated up to 150 kAIC for dependable performance under high fault conditions.
  • Three-Pole Configuration: Designed for use in three-phase electrical systems.
  • Flexible Control Options: Equipped with rocker lever operation and compatible with optional motor drive accessories.
  • Front Screw Connection: Provides secure and reliable conductor termination.
  • International Certifications: Complies with UL 489, CSA C22.2 No. 5, and IEC 60947-2 standards.

The NS3-400-NA delivers the reliability and precision required for safe switching and isolation of power circuits in industrial and commercial electrical distribution systems.

Get fast quote and compatibility check
Compatibility check available   ·   Alternative parts suggested
Get a response to your request within 5 minutes
Talk to a real industrial automation specialist.
We verify compatibility, suggest alternatives, and provide fast quotes.
Something went wrong, please try again
Form image
Arty A.
Senior Sales Manager
Daniel S.
Parts Specialist
Request successfully sent!
Estimated response time: 1 to 5 minutes.
Description / Specifications

Description 

The Eaton NS3-400-NA is a molded case circuit breaker disconnect switch designed to provide reliable switching and isolation for high-capacity electrical distribution systems. Eaton part number NS3-400-NA supports up to 400 A and is engineered for safe manual disconnection and control of power circuits in commercial and industrial installations. Its robust NZM3 frame construction ensures dependable performance in demanding electrical environments.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Eaton
Category Circuit Protection
Part Number NS3-400-NA
Subcategory Molded Case Circuit Breaker Disconnect Switch
Product Type Molded Case Circuit Breaker Disconnect Switch
Series Series NZM
Frame NZM3
Circuit Breaker Frame Type Disconnect switch
Amperage Rating 400 A
Voltage Rating 600 Vac
Number of Poles Three-pole
Short-Circuit Breaking Capacity 150 kAIC
Interrupt Rating 150 kAIC
Trip Rating 6600 A
Connection Type Front screw
Accessories Rocker lever, optional motor drive
Certifications UL 489; CSA Std. C22.2 No. 5; IEC 60947-2
Compliance CE Marked
Product Dimensions (L × W × H) 6.26 × 5.512 × 5.512 in
Warranty Eaton Selling Policy 25-000
Weight 13.98 lb

 

 

Information About NS3-400-NA

The NS3-400-NA is part of Eaton’s Series NZM molded case disconnect switch family, designed for reliable circuit isolation and switching operations in power distribution systems. It is built on the NZM3 frame platform and supports three-pole configurations for three-phase electrical networks. The device allows safe manual operation using a rocker lever and supports optional motor drive accessories for automated switching applications. With UL 489, IEC 60947-2, and CSA certifications along with CE compliance, it meets internationally recognized electrical safety and performance standards.


Key Features:

  • 400 Amp Current Rating: Provides reliable switching and isolation for medium to high capacity power distribution circuits.
  • NZM3 Frame Platform: Built on Eaton’s durable NZM Series architecture for long-term electrical performance.
  • Disconnect Switch Function: Enables safe manual isolation of electrical circuits for maintenance and service operations.
  • High Interrupting Capacity: Rated up to 150 kAIC for dependable performance under high fault conditions.
  • Three-Pole Configuration: Designed for use in three-phase electrical systems.
  • Flexible Control Options: Equipped with rocker lever operation and compatible with optional motor drive accessories.
  • Front Screw Connection: Provides secure and reliable conductor termination.
  • International Certifications: Complies with UL 489, CSA C22.2 No. 5, and IEC 60947-2 standards.

The NS3-400-NA delivers the reliability and precision required for safe switching and isolation of power circuits in industrial and commercial electrical distribution systems.

Check Out These Related Products