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189779
Modelkode: NZM2/3-XUHIV12DC-PI

Eaton Moeller series NZM Undervoltage release for NZM2/3, 1 early-make auxiliary contact, 2NO, 12DC, Push-in terminals

General specifications

Product Name
Eaton Moeller series NZM Undervoltage release
Catalog Number
189779
EAN
4015081877744
Product Length/Depth
115 mm
Product Height
65 mm
Product Width
75 mm
Product Weight
0.08 kg
Compliances
UL/CSA
IEC
RoHS conform
Model Code
NZM2/3-XUHIV12DC-PI

Delivery program

Fitted with:
Early-make auxiliary contact
Special features
  • For interlocking and load-shedding circuits, as well as for early-make of the undervoltage release in main-switch applications.
  • Instantaneous shut-off of the NZM circuit breaker when the control voltage drops below 35 - 70% Us.
  • For use with emergency-stop devices in connection with an emergency-stop button.
  • When the under-voltage trip is switched off, accidental contact with the circuit breaker’s primary contacts is prevented when switched on.
  • Early-make of auxiliary contacts on switching on and off (manual operation): approx. 20 ms (NZM2/3) and 90 ms (NZM4).
Suitable for
Motor safety switch
Off-load switch
Type
Undervoltage release with early-make auxiliary contact
Used with
NZM2(-4), N(S)2(-4)
NZM3(-4), N(S)3(-4)

Design verification as per IEC/EN 61439

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.
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.

Technical Data - Electrical

Electric connection type
Screw connection
Rated control supply voltage
12 V DC
Rated control supply voltage (Us) at DC - max
12 V
Rated control supply voltage (Us) at DC - min
12 V
Voltage type
AC

Technical Data - Mechanical

Connection type
With push in terminal
Number of contacts (change-over contacts)
0
Number of contacts (normally closed contacts)
0
Number of contacts (normally open contacts)
1
Special features
  • For interlocking and load-shedding circuits, as well as for early-make of the undervoltage release in main-switch applications.
  • Instantaneous shut-off of the NZM circuit breaker when the control voltage drops below 35 - 70% Us.
  • For use with emergency-stop devices in connection with an emergency-stop button.
  • When the under-voltage trip is switched off, accidental contact with the circuit breaker’s primary contacts is prevented when switched on.
  • Early-make of auxiliary contacts on switching on and off (manual operation): approx. 20 ms (NZM2/3) and 90 ms (NZM4).

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