Eaton NZMH3-AE400-S1 MCCB - 100 kAIC @480V/690V
Part Number: NZMH3-AE400-S1
Quick Summary
NZMH3-AE400-S1 is a high-capacity molded case circuit breaker designed for distribution protection in industrial panels. In practice, engineers often confront nuisance trips and coordination gaps when protecting motor drives and feeders across diverse load profiles. Note: Certifications are not published for this SKU; verify CE, UL, SIL, IP ratings with Eaton to meet local compliance. Designed around the NZM3 frame, it combines robust fault protection with flexible settings to simplify panel design and procurement. With 400 A rating, 690 V AC operation, and 100 kAIC short-circuit capacity, it delivers reliable protection with efficient installation. This makes it well-suited for distribution panels, motor drives, and industrial control cabinets requiring dependable protection and straightforward maintenance.
Product Information
Extended Description
NZMH3-AE400-S1 Eaton: Eaton Series NZM complete molded case circuit breaker, NZM3-frame, NZMH3, Thermal-magnetic trip, Three-pole, 400A, 690 Vac, 100 kAIC at 480 Vac, Dist. circuit protection, Rocker lever, motor drive, 200-400A, 800-4400A delayed, 200-400A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMH3-AE400-S1
EAN
4015081174980
Product Length/Depth
5.51 in
Product Height
6.53 in
Product Width
6.5 in
Product Weight
5.5 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Compliances
Contact Manufacturer
Amperage Rating
400 A
Voltage rating
690 V AC
Trip Type
T268
Circuit breaker type
NZMH3
Frame
NZM3
Class
Distribution circuit protection
Accessories
Rocker lever, motor drive
Adjustment range short-circuit release
800-4400A delayed
Setting Range Ol Protector
200-400A
Short-circuit breaking capacity
150 kAIC
Interrupt rating
100 kAIC at 480 Vac
Connection
Front screw
Overload range
200-400A
Number of poles
Three-pole
Feature: 400 A amperage rating on the NZM3 frame. This supports sustained distribution loads with a compact footprint suitable for control panels lacking space for larger devices. Business impact: Reduces cabinet depth, speeds installation, and simplifies procurement by standardizing on a common frame. Application: Ideal for 400 A feeder circuits in data centers, process lines, and machine control panels. Feature: T268 trip type with adjustable ranges. Business impact: Enables precise fault clearing and coordination with motor drives, minimizing downtime and equipment damage. Application: Suitable for motor drives and feeders with 200-400 A OL and 800-4400 A delayed settings. Feature: High short-circuit and interrupt ratings. Business impact: Maintains upstream protection during severe faults, reducing cascade failures and downtime. Application: Upstream distribution panels and feeders facing high fault currents (150 kAIC break, 100 kAIC at 480 Vac). Feature: Accessories and motor-drive compatibility. Business impact: Improves installation ergonomics and control options, shortening commissioning times. Application: Panels requiring rocker lever operation and motor-drive protection. Feature: Front screw connection and three-pole design. Business impact: Delivers secure terminations and straightforward wiring, lowering field wiring errors. Application: Standardized wiring in compact industrial cabinets.
Get a Quick Quote for a Eaton NZMH3-AE400-S1
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton NZMH3-AE400-S1?
Enquire Now
FAQs
Yes. The NZMH3-AE400-S1 uses front screw connections and is designed as a three-pole unit within the NZM3 frame. This arrangement supports secure terminations, straightforward wiring, and clean, repeatable installations in industrial panels and motor-drive feeders.
The breaker provides a short-circuit breaking capacity of up to 150 kAIC and an interrupt rating of 100 kAIC at 480 Vac. It features a T268 trip type with adjustable protection ranges, enabling selective coordination for motor drives and feeders while maintaining fast fault clearance.
Yes. With a 400 A rating, motor-drive compatible accessories (rocker lever, motor drive), and adjustable settings (200-400 A OL, 800-4400 A delayed), the NZMH3-AE400-S1 is well-suited for motor-drive protection, process lines, and general distribution in manufacturing and packaging environments.
The data provided does not publish specific certifications. For regulatory compliance, verify CE, UL, SIL, and IP ratings with Eaton or your local distributor. Always confirm region-specific approvals before deployment to ensure alignment with your facility’s safety and reliability requirements.
Warranty is outlined under Eaton’s policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. The device’s robust protection, high fault current rating, and flexible settings can reduce downtime and maintenance costs, delivering a favorable total cost of ownership in industrial applications.