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189733
Modelkode: NZM2/3-XUHIV2A24DC

Eaton Moeller series NZM Undervoltage release for NZM2/3, configurable relays, 2NO, 1 early-make auxiliary contact, 1NO, 24DC, Push-in terminals

General specifications

Product Name
Eaton Moeller series NZM Undervoltage release
Catalog Number
189733
EAN
4015081877287
Product Length/Depth
115 mm
Product Height
65 mm
Product Width
75 mm
Product Weight
0.08 kg
Compliances
UL/CSA
IEC
RoHS conform
Certifications
CSA (Class No. 1437-01)
IEC60947
UL489
CSA certified
CSA (File No. 22086)
CE marking
UL (File No. E140305)
UL (Category Control Number DIHS)
UL listed
CSA-C22.2 No. 5-09
Model Code
NZM2/3-XUHIV2A24DC

Delivery program

Type
Undervoltage release with early-make auxiliary contact and two relays
Special features
  • For interlock circuits, load-shedding circuits, make-before-break interruption of shunt trip for primary breaker use
  • Instantaneous shut-off NZM breaker at control voltage below 35-70% Us
  • For emergency-stop devices with an emergency-stop button
  • For breaker's signalizing commands/different states
  • 2 relays/unit
  • Trip unit config of activation criteria
  • Config by communication/breaker display/front USB port/Eaton Power Xpert Protection Manager
  • Switched off under-voltage trip: accidental contact with breaker’s primary contacts is prevented when switched on
  • Auxiliary contact make-before-break activation when manual switching on and off: ~20 ms(NZM2/3)/90 ms(NZM4)
Frame
NZM2/3
Fitted with:
Early-make auxiliary contact and 2 relays
Suitable for
Motor safety switch
Off-load switch
Used with
PXR20(25) NZM3(-4)-..X…
PXR20(25) NZM2(-4)-..X…

Technical Data - Electrical

Voltage type
AC
Rated insulation voltage (Ui)
250 V
Rated impulse withstand voltage (Uimp)
4 kV AC
Rated control voltage (relay contacts)
240 V AC
24 V DC
24 V AC
Rated control supply voltage (Us) at DC - min
24 V
Rated control supply voltage (Us) at DC - max
24 V
Voltage tolerance - min
0.85
Voltage tolerance - max
1.1
Drop-out voltage of undervoltage release AC/DC - min
0.35 x Us
Drop-out voltage of undervoltage release AC/DC - max
0.7 x Us
Rated operational current
1 A (230 V AC-1, relay contacts)
1 A (24 V AC-1, relay contacts)
1 A (110 V AC-1, relay contacts)
1 A (24 V DC-1, relay contacts)
Power consumption
0.8 W (sealing DC)
1.5 VA (sealing AC)
Pick-up power consumption at AC (undervoltage release)
1.5 VA
Pick-up power consumption at DC (undervoltage release)
0.8 W
Switching capacity (reference value) - min
0.1 mA / 0.1 VDC
Reaction time
19 ms
Minimum command time - min
10 ms
Minimum command time - max
15 ms
Electric connection type
Screw connection
Overvoltage category
II
Pollution degree
2

Technical Data - Mechanical

Number of contacts (change-over contacts)
0
Number of contacts (normally closed contacts)
0
Number of contacts (normally open contacts)
3
Number of relays
2
Connection type
With push in terminal
Strip length
8 mm (relay contact connection)
Special features
  • For interlock circuits, load-shedding circuits, make-before-break interruption of shunt trip for primary breaker use
  • Instantaneous shut-off NZM breaker at control voltage below 35-70% Us
  • For emergency-stop devices with an emergency-stop button
  • For breaker's signalizing commands/different states
  • 2 relays/unit
  • Trip unit config of activation criteria
  • Config by communication/breaker display/front USB port/Eaton Power Xpert Protection Manager
  • Switched off under-voltage trip: accidental contact with breaker’s primary contacts is prevented when switched on
  • Auxiliary contact make-before-break activation when manual switching on and off: ~20 ms(NZM2/3)/90 ms(NZM4)

Technical Data - Mechanical - Terminals

Terminal capacity (stranded cable)
0.25 mm² - 0.75 mm² (1x) for undervoltage release with uninsulated end sleeve in accordance with DIN46228 / 1
0.25 mm² - 0.75 mm² (1x) for undervoltage release
0.25 mm² - 1.5 mm² (1x) for undervoltage release with insulated end sleeve in accordance with DIN46224 / 4
0.25 mm² - 1.5 mm² (1x) at shunt release
24 - 16 AWG (1x) at shunt release
0.25 mm² - 1.5 mm² (1x) for undervoltage release
24 - 16 AWG (1x) for undervoltage release
Terminal capacity (solid cable)
0.2 mm² - 1.5 mm² (1x) at shunt release
0.2 mm² - 1.5 mm² (1x) for undervoltage release

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.

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