Eaton NZMH4-AE1600-S1 NZM MCCB - UL Listed
Part Number: NZMH4-AE1600-S1
Quick Summary
NZMH4-AE1600-S1 is a high-capacity molded case circuit breaker designed for distribution protection in industrial electrical systems. Maintenance teams routinely face downtime and miscoordination when protecting large 800–1600 A loads at 690 V, making fast, reliable protection critical. This model carries UL Listed certification, supporting safety compliance in North American installations; regional CE or SIL certifications may vary by market. By leveraging the NZM4 frame and front screw connection, it delivers reliable protection with straightforward installation, reducing downtime and maintenance costs while aligning with Eaton's rugged, field-proven protection philosophy.
Product Information
Extended Description
NZMH4-AE1600-S1 Eaton: Eaton Series NZM complete molded case circuit breaker, NZM4-frame, NZMH4, Thermal-magnetic trip, Three-pole, 1600A, 690 Vac, 85 kAIC at 480 Vac, Distribution circuit protection, 800-1600A, 3200-19200A delayed, Front screw, 800-1600A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMH4-AE1600-S1
Model Code
NZMH4-AE1600-S1
EAN
4015082903749
Product Length/Depth
8.26 in
Product Height
8.14 in
Product Width
8.14 in
Product Weight
46 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.
Certifications
UL Listed
Amperage Rating
1600 A
Voltage rating
690 V AC
Trip Type
T268
Circuit breaker type
NZMH4
Frame
NZM4
Class
Distribution circuit protection
Accessories
Rocker lever, motor drive
Adjustment range short-circuit release
3200-19200A delayed
Setting Range Ol Protector
800-1600A
Short-circuit breaking capacity
85 kAIC
Interrupt rating
85 kAIC at 480 Vac
Connection
Front screw
Overload range
800-1600A
Number of poles
Three-pole
Feature: 1600 A amperage rating paired with a 3-pole design in the NZM4 frame. Business impact: supports protected feeder circuits at high load levels while enabling compact panel layouts. Application: main distribution panels in manufacturing plants and data centers. Feature: 690 V AC operating voltage with front screw connection. Business impact: safe, accessible installation and easier field servicing, reducing commissioning time. Application: high-voltage distribution sections and motor feeder circuits. Feature: Thermal-magnetic trip (T268) with 85 kAIC short-circuit breaking capacity at 480 Vac. Business impact: precise protection against overcurrent while maintaining system uptime under fault conditions. Application: critical process lines, CNC and automation panels. Feature: Accessories including rocker lever and motor drive. Business impact: enhanced control and remote signaling for automated systems. Application: motor control centers and automated manufacturing lines. Feature: Adjustment range for short-circuit release (3200–19200 A delayed) and setting range OL protector (800–1600 A). Business impact: configurable protection coordinates with upstream devices, improving selective tripping. Application: large facilities with multi-stage protection. Feature: Warranty and service terms (Eaton policy 25-000). Business impact: defined support window and predictable maintenance planning. Application: enterprise asset management and uptime initiatives.
Get a Quick Quote for a Eaton NZMH4-AE1600-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 NZMH4-AE1600-S1?
Enquire Now
FAQs
The NZMH4-AE1600-S1 uses a three-pole NZM4 frame with a front screw connection, designed for straightforward panel mounting and busbar alignment. Ensure proper clearance in the enclosure, verify compatible accessories such as rocker lever or motor drive, and follow OEM torque recommendations during tightening to maintain protection integrity.
It carries a 1600 A amperage rating, operates at 690 V AC, and provides 85 kAIC short-circuit breaking capacity at 480 Vac. The trip mechanism is thermal-magnetic (T268), offering reliable protection against overcurrent with fast response for fault conditions in high-load feeders.
Yes. The three-pole design on the NZM4 frame supports large-load distribution, with 800–1600 A overload settings, robust short-circuit rating, and 690 V AC compatibility suitable for motor and process line protection in manufacturing environments.
This model is UL Listed, indicating compliance with U.S. safety standards. Regional certifications such as CE or SIL may vary by market, so verify local regulatory requirements for your installation to ensure full compliance.
Eaton’s warranty policy 25-000 provides coverage for one year from installation or 18 months from shipment, whichever comes first. For maintenance, rely on standard preventive checks, verify trip unit responsiveness, and confirm accessory availability (rocker lever, motor drive) to sustain reliable operation.