Product name
Eaton Moeller series NZM molded case circuit breaker electronic
Product Length/Depth
166 millimetre
Product height
297 millimetre
Product width
140 millimetre
Product weight
6.34 kilogram
Certifications
CSA (File No. 22086)
UL/CSA
IEC
UL (Category Control Number DIVQ)
CE marking
Specially designed for North America
CSA certified
UL 489
UL (File No. E31593)
IEC 60947-2
CSA-C22.2 No. 5-09
CSA (Class No. 1432-01)
UL listed
Product Type
Molded case circuit breaker
Product Sub Type
Electronic
Application
Branch circuits, feeder circuits
Circuit breaker frame type
NZM3
Number of poles
Three-pole
Release system
Electronic release
Features
Protection unit
Motor drive optional
Special features
LI Overload and short-circuit protective device
R.m.s. value measurement and “thermal memory”
USB interface for configuration and test function with Power Xpert Protection Manager software
Switches conform to UL/CSA as well as the IEC regulations. IEC switching performance values are contained on the rating plate.
Technical Data - Electrical
Voltage rating
690 V - 690 V
Rated operating voltage Ue (UL) - max
600 V
Rated insulation voltage (Ui)
690 V AC
Rated operational current
250 A (690 V AC-1, making and breaking capacity)
250 A (660-690 V AC-3, making and breaking capacity)
Instantaneous current setting (Ii) - min
2 A
Instantaneous current setting (Ii) - max
11 A
Overload current setting (Ir) - min
100 A
Overload current setting (Ir) - max
250 A
Short delay current setting (Isd) - min
0 A
Short delay current setting (Isd) - max
0 A
Short-circuit release non-delayed setting - min
500 A
Short-circuit release non-delayed setting - max
2750 A
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 400/415 V, 50/60 Hz
50 kA
Electrical connection type of main circuit
Screw connection
Technical Data - Mechanical
Mounting Method
Fixed
Built-in device fixed built-in technique
Number of auxiliary contacts (change-over contacts)
0
Number of auxiliary contacts (normally closed contacts)
0
Number of auxiliary contacts (normally open contacts)
0
Position of connection for main current circuit
Front side
Special features
LI Overload and short-circuit protective device
R.m.s. value measurement and “thermal memory”
USB interface for configuration and test function with Power Xpert Protection Manager software
Switches conform to UL/CSA as well as the IEC regulations. IEC switching performance values are contained on the rating plate.
Technical Data - Mechanical - Terminals
Standard terminals
Screw connection
Design verification as per IEC/EN 61439 - technical data
Rated operational current for specified heat dissipation (In)
250 A
Equipment heat dissipation, current-dependent
18.75 W
Ambient operating temperature - min
-25 °C
Ambient operating temperature - max
70 °C
Ambient storage temperature - min
40 °C
Ambient storage temperature - max
70 °C
Design verification as per IEC/EN 61439
10.2.2 Corrosion resistance
Meets the product standard's requirements.
10.2.3.1 Verification of thermal stability of enclosures
Meets the product standard's requirements.
10.2.3.2 Verification of resistance of insulating materials to normal heat
Meets the product standard's requirements.
10.2.3.3 Resist. of insul. mat. to abnormal heat/fire by internal elect. effects
Meets the product standard's requirements.
10.2.4 Resistance to ultra-violet (UV) radiation
Meets the product standard's requirements.
10.2.5 Lifting
Does not apply, since the entire switchgear needs to be evaluated.
10.2.6 Mechanical impact
Does not apply, since the entire switchgear needs to be evaluated.
10.2.7 Inscriptions
Meets the product standard's requirements.
10.3 Degree of protection of assemblies
Does not apply, since the entire switchgear needs to be evaluated.
10.4 Clearances and creepage distances
Meets the product standard's requirements.
10.5 Protection against electric shock
Does not apply, since the entire switchgear needs to be evaluated.
10.6 Incorporation of switching devices and components
Does not apply, since the entire switchgear needs to be evaluated.
10.7 Internal electrical circuits and connections
Is the panel builder's responsibility.
10.8 Connections for external conductors
Is the panel builder's responsibility.
10.9.2 Power-frequency electric strength
Is the panel builder's responsibility.
10.9.3 Impulse withstand voltage
Is the panel builder's responsibility.
10.9.4 Testing of enclosures made of insulating material
Is the panel builder's responsibility.
10.10 Temperature rise
The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices.
10.11 Short-circuit rating
Is the panel builder's responsibility. The specifications for the switchgear must be observed.
10.12 Electromagnetic compatibility
Is the panel builder's responsibility. The specifications for the switchgear must be observed.
10.13 Mechanical function
The device meets the requirements, provided the information in the instruction leaflet (IL) is observed.
Functions
Current limiting circuit breaker
System and cable protection