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NZM4-XHIV
266172 NZM4-XHIV
266172

Auxiliary contact, 2early N/O, operates as an early-make contactOptional accessories for circuit-breaker series NZM offers a comprehensive portfolio of application possibilities for worldwide use. Modular functional groups make mounting flexible and simple. For interlocking and load shedding circuits, as well as for early make of the undervoltage release in main switch/emergency switching off applications. Not in conjunction with undervoltage release NZM..-XU.., Shunt release NZM..-XA.. or remote operator NZM..-XR.. Early make (manual operation) approx. 20..90ms. Can be used for: NZM4(-4), N(N/O)4(-4)

Auxiliary contact, 2early N/O, operates as an early-make contact
Optional accessories for circuit-breaker series NZM offers a comprehensive portfolio of application possibilities for worldwide use. Modular functional groups make mounting flexible and simple. For interlocking and load shedding circuits, as well as for early make of the undervoltage release in main switch/emergency switching off applications. Not in conjunction with undervoltage release NZM..-XU.., Shunt release NZM..-XA.. or remote operator NZM..-XR.. Early make (manual operation) approx. 20..90ms. Can be used for: NZM4(-4), N(N/O)4(-4)

Rated operational voltage [Ue]
>Rated operational voltage [Ue]
500 V AC
Rated operational voltage [Ue]
>Rated operational voltage, max. [Ue]
220 V DC
Conventional thermal current [Ith = Ie] 4 CSA
Rated operational current [Ie ]
>Different rated operational currents when used as auxiliary contact for NZM circuit-breaker
M22-K...M22-CK...XHIV
bei AC = 50/60 Hz
Bemessungsbetriebsstrom          
  AC-15115 V Ie A 4 4 4
   230 V Ie A 4 4 4
   400 V Ie A 2 - 2
   500 V Ie A 1 - 1
  DC-13 24 V Ie A 3 3 3
   42 V Ie A 1.7 1 1.5
   60 V Ie A 1.2 0.8 0.8
   110 V Ie A 0.8 0.5 0.5
   220 V Ie A 0.3 0.2 0.2
Short-circuit protection
>max. fuse
10 A gG/gL
Short-circuit protection
>Max. miniature circuit-breaker
FAZ-B6 A
Operating times

Early-make time of the HIV compared to the main contacts during with make and break switching.

(switch times with manual operation):

NZM1, PN1, N(S)1: ca. 20 ms

NZM2, PN2, N(S)2: ca. 20 ms

NZM3, PN3, N(S)3: ca. 20 ms

NZM4, N(S)4: approx. 90 ms, the HIV switch early Offswitching not forward.

Terminal capacities
>Solid or flexible conductor, with ferrule
1 x (0,75 - 2,5)
2 x (0,75 - 2,5) mm2
Terminal capacities 1 x (18 - 14)
2 x (18 - 14) AWG
UL/CSA
>Rated operational current [Ie ]
2.5 A - 240 V AC
1 A - 250 V DC A
UL/CSA
>Heavy Pilot Duty
C300/R300
Other technical data (sheet catalogue) Maximum equipment and position of the internal accessories
Time differences ON-OFF
10.2 Strength of materials and parts
>10.2.2 Corrosion resistance
Meets the product standard´s requirements.
10.2 Strength of materials and parts
>10.2.3.1 Verification of thermal stability of enclosures
Meets the product standard´s requirements.
10.2 Strength of materials and parts
>10.2.3.2 Verification of resistance of insulating materials to normal heat
Meets the product standard´s requirements.
10.2 Strength of materials and parts
>10.2.3.3 Verification of resistance of insulating materials to abnormal heat and fire due to internal electric effects
Meets the product standard´s requirements.
10.2 Strength of materials and parts
>10.2.4 Resistance to ultra-violet (UV) radiation
Meets the product standard´s requirements.
10.2 Strength of materials and parts
>10.2.5 Lifting
Does not apply, since the entire switchgear needs to be evaluated.
10.2 Strength of materials and parts
>10.2.6 Mechanical impact
Does not apply, since the entire switchgear needs to be evaluated.
10.2 Strength of materials and parts
>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 Insulation properties
>10.9.2 Power-frequency electric strength
Is the panel builder´s responsibility.
10.9 Insulation properties
>10.9.3 Impulse withstand voltage
Is the panel builder´s responsibility.
10.9 Insulation properties
>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.
Number of contacts as change-over contact 0
Number of contacts as normally open contact 2
Number of contacts as normally closed contact 0
Number of fault-signal switches 0
Rated operation current Ie at AC-15, 230 V 4 A
Type of electric connection Screw connection
Model Integrable
Mounting method Other
Lamp holder None
Product Standards UL489; CSA-C22.2 No. 5-09; IEC60947, CE marking
UL File No. E140305
UL Category Control No. DIHS
CSA File No. 022086
CSA Class No. 1437-01
North America Certification UL listed, CSA certified

As Mnelko, we are a reliable partner in industrial automation solutions, offering high-quality and innovative products with a wide product range to meet all the needs of your business. Our product portfolio consists of solutions designed based on the principles of high performance, durability, and efficiency to support modern industrial processes.
All of our products ensure maximum reliability even in challenging working conditions and help your business operations run smoothly. The products we offer in industrial automation, energy management, cabling solutions, and many other areas adapt flexibly to the needs of different sectors.
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On each of our product pages, you can find comprehensive information about technical details, areas of use, and product features. You can explore all the products you need to strengthen your industrial processes on our website and enjoy a seamless purchasing experience.

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