# Thermal Magnetic Circuit Breaker, MCCB, NZM3, 3P, 50 kA, 400 V, 630 A
**URL**: https://novapart.co/products/NZMN3-AE630-BT/thermal-magnetic-circuit-breaker-mccb-nzm3-3p-50
**SKU**: NZMN3-AE630-BT
**Manufacturer**: EATON MOELLER
**Category**: Circuit Protection || Circuit Breakers || Thermal Magnetic Circuit Breakers
**Price**: €2979.7500
**Stock**: 10+
**Lead Time**: 50 days (indicative)
## Specifications
| Parameter | Value |
|---|---|
| Svhc | No SVHC (17-Dec-2015) |
| Product Range | NZM Series |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:3501201/)
**DATASHEET - NZMN3-AE630-BT**
## **Circuit-breaker, 3p, 630A, box terminals**
**Part no. NZMN3-AE630-BT Catalog No. 111656**
Similar to illustration
## **Delivery program**
|**Deliveryy programrogramgramram**||||
|---|---|---|---|
|Product range|||Circuit-breaker|
|Protective function|||System and cable protection|
|Standard/Approval|||IEC|
|Installation type|||Fixed|
|Release system|||Electronic release|
|Construction size|||NZM3|
|Description|||R.m.s. value measurement and “thermal memory”|
|Number of poles|||3 pole|
|Standard equipment|||Box terminal|
|**Switching capacity**||||
|400/415 V 50 Hz|Icu|kA|50|
|**Rated current = rated uninterrupted current**||||
|Rated current = rated uninterrupted current|In= Iu|A|630|
|**Setting range**||||
|Overload trip||||
||
[ t|Ir|A|315 - 630|
|Short-circuit releases
|
|
>
|
I||||
|Non-delayed
Pee
[>
i|Ii= Inx …||2 - 8|
## **Technical data**
|**Technical data**
**General**||||
|---|---|---|---|
|Standards|||IEC/EN 60947|
|Protection against direct contact|||Finger and back of hand proof to VDE 0106 Part 100|
|Climatic proofing|||Damp heat, constant, to IEC 60068-2-78
Damp heat, cyclic, to IEC 60068-2-30|
|Ambient temperature||||
|Ambient temperature, storage||°C|- 40 - + 70|
|Operation||°C|-25 - +70|
|Mechanical shock resistance (10 ms half-sinusoidal shock) according to IEC
60068-2-27||g|20 (half-sinusoidal shock 20 ms)|
|Safe isolation to EN 61140||||
|Between auxiliary contacts and main contacts||V AC|500|
|between the auxiliary contacts||V AC|300|
|Weight||kg|6.34|
|Mounting position|||Vertical and 90° in all directions|
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With XFI earth-fault release: - NZM1, N1, NZM2, N2: vertical and 90° in all directions with plug-in unit - NZM1, N1, NZM2, N2: vertical, 90° right/left with withdrawable unit: - NZM3, N3: vertical, 90° right/left - NZM4, N4: vertical with remote operator: - NZM2, N(S)2, NZM3, N(S)3, NZM4, N(S)4: vertical and 90° in all directions
|**Switching capacity**||||
|---|---|---|---|
|Rated short-circuit making capacity|Icm|||
|240 V|Icm|kA|187|
|400/415 V|Icm|kA|105|
|440 V 50/60 Hz|Icm|kA|74|
|525 V 50/60 Hz|Icm|kA|53|
|690 V 50/60 H|Ic|kA|40|
|Rated short-circuit breaking capacity Icn|Icn|||
|Icu to IEC/EN 60947 test cycle O-t-CO|Icu|kA||
|240 V 50/60 Hz|Icu|kA|85|
|400/415 V 50/60 Hz|Icu|kA|50|
|440 V 50/60 Hz|Icu|kA|35|
|525 V 50/60 Hz|Icu|kA|25|
|690 V 50/60 Hz|Icu|kA|20|
|Ics to IEC/EN 60947 test cycle O-t-CO-t-CO|Ics|kA||
|240 V 50/60 Hz|Ics|kA|85|
|400/415 V 50/60 Hz|Ics|kA|50|
|440 V 50/60 Hz|Ics|kA|35|
|525 V 50/60 Hz|Ics|kA|13|
|690 V 50/60 Hz|Ics|kA|5|
||||Maximum back-up fuse, if the expected short-circuit currents at the installation
location exceed the switching capacity of the circuit-breaker.|
|Rated short-time withstand current||||
|t = 0.3 s|Icw|kA|3.3|
|t = 1 s|Icw|kA|3.3|
|Utilization category to IEC/EN 60947-2|||A|
|Lifespan, mechanical(of which max. 50 % trip by shunt/undervoltage release)|Operations||15000|
|Lifespan, electrical||||
|AC-1||||
|400 V 50/60 Hz|Operations||5000|
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|415 V 50/60 Hz|Operations||5000|
|---|---|---|---|
|690 V 50/60 Hz|Operations||3000|
|AC--3||||
|400 V 50/60 Hz|Operations||2000|
|415 V 50/60 Hz|Operations||2000|
|690 V 50/60 Hz|Operations||2000|
|Max. operating frequency||Ops/h|60|
|Total break time at short-circuit||ms|< 10|
|**Terminal capacity**||||
|Standard equipment|||Box terminal|
|Optional accessories|||Screw connection
Tunnel terminal
connection on rear|
|Round copper conductor||||
|Box terminal||||
|Solid||mm2|2 x 16|
|Stranded||mm2|1 x (35 - 240)
2 x (25-120)|
|Tunnel terminal||||
|Solid||mm2|1 x 16|
|Stranded||||
|1-hole||mm2|1 x (16 - 185)|
|Bolt terminal and rear-side connection||||
|Direct on the switch||||
|Solid||mm2|1 x 16
2 x 16|
|Stranded||mm2|1 x (25 - 240)
2 x (25 - 240)|
|Connection width extension||mm2||
|Connection width extension||mm2|2 x 300|
|Al circular conductor||||
|Tunnel terminal||||
|Solid||mm2|1 x 16|
|Stranded||||
|Stranded||mm2|1 x (25 - 185)2)|
|Double hole||mm2|1 x (50 - 240)
2 x (50 - 240)|
||||2)Up to 240 mm² can be connected depending on the cable manufacturer.|
|Cu strip (number of segments x width x segment thickness)||||
|Box terminal||||
||min.|mm|6 x 16 x 0.8|
||max.|mm|10 x 24 x 1.0
+ 5 x 24 x 1.0
(2 x) 8 x 24 x 1.0|
|Bolt terminal and rear-side connection||||
|Flat copper strip, with holes|min.|mm|6 x 16 x 0.8|
|Flat copper strip, with holes|max.|mm|10 x 32 x 1.0 + 5 x 32 x 1.0|
|Connection width extension||mm|(2 x) 10 x 50 x 1.0|
|Copper busbar (width x thickness)|mm|||
|Bolt terminal and rear-side connection||||
|Screw connection|||M10|
|Direct on the switch||||
||min.|mm|20 x 5|
||max.|mm|30 x 10
+ 30 x 5|
|Connection width extension||mm||
|Connection width extension|max.|mm|2 x (10 x 50)|
|Control cables||||
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mm[2] 1 x (0.75 - 2.5) 2 x (0.75 - 1.5)
## **Desig per IEC/EN 61439**
|**Design verifcation asper IEC/EN 61439**||||
|---|---|---|---|
|
Technical data for design verifcation||||
|
Rated operational current for specifed heat dissipation|In|A|630|
|Equipment heat dissipation, current-dependent|Pvid|W|119.07|
|Operating ambient temperature min.||°C|-25|
|Operating ambient temperature max.||°C|70|
|IEC/EN 61439 design verifcation||||
|
10.2 Strength of materials and parts||||
|10.2.2 Corrosion resistance|||Meets the product standard's requirements.|
|10.2.3.1 Verifcation of thermal stability of enclosures|||Meets the product standard's requirements.|
|
10.2.3.2 Verifcation of resistance of insulating materials to normal heat|||Meets the product standard's requirements.|
|
10.2.3.3 Verifcation of resistance of insulating materials to abnormal heat
and fre due to internal electric efects|||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 Insulation properties||||
|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 specifcations for the switchgear must be
observed.|
|10.12 Electromagnetic compatibility|||Is the panel builder's responsibility. The specifcations for the switchgear must be
observed.|
|10.13 Mechanical function|||The device meets the requirements, provided the information in the instruction
leafet (IL) is observed.|
## **Technical data ETIM 7.0**
Low-voltage industrial components (EG000017) / Power circuit-breaker for trafo/generator/installation protection (EC000228)
|**Technical data ETIM 7.0**|**Technical data ETIM 7.0**|**Technical data ETIM 7.0**|**Technical data ETIM 7.0**|
|---|---|---|---|
|Low-voltage industrial components (EG000017) / Power circuit-breaker for trafo/generator/installation protection (EC000228)||||
|Electric engineering, automation, process control engineering / Low-voltage switch technology / Circuit breaker (LV < 1 kV) / Circuit breaker for power transformer, generator and system
protection (ecl@ss10.0.1-27-37-04-09 [AJZ716013])||||
|Rated permanent current Iu||A|630|
|Rated voltage||V|690 - 690|
|Rated short-circuit breaking capacity lcu at 400 V, 50 Hz||kA|50|
|Overload release current setting||A|315 - 630|
|Adjustment range short-term delayed short-circuit release||A|0 - 0|
|Adjustment range undelayed short-circuit release||A|1260 - 5040|
|Integrated earth fault protection|||No|
|Type of electrical connection of main circuit|||Frame clamp|
|Device construction|||Built-in device fxed built-in technique|
|Suitable for DIN rail (top hat rail) mounting|||
No|
|DIN rail (top hat rail) mounting optional|||No|
|Number of auxiliary contacts as normally closed contact|||0|
|Number of auxiliary contacts as normally open contact|||0|
|Number of auxiliary contacts as change-over contact|||0|
|With switched-of indicator|||No|
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|With under voltage release|||No|
|---|---|---|---|
|Number of poles|||3|
|Position of connection for main current circuit|||Front side|
|Type of control element|||Rocker lever|
|Complete device with protection unit|||Yes|
|Motor drive integrated|||No|
|Motor drive optional|||Yes|
|Degree of protection (IP)|||IP20|
## **Characteristics**
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Let-through current
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Let-through energy
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**Dimensions**
① Blow out area, minimum clearance to adjacent parts ② Minimum clearance to adjacent parts
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## **Additional product information (links)**
Temperature dependency, Derating http://ecat.moeller.net/flip-cat/?edition=HPLEN&startpage=17.172 CurveSelect characteristics program http://www.eaton.eu/DE/Europe/Electrical/CustomerSupport/ConfigurationTools/CharacteristicsProgram/index.htm additional technical information for NZM power switch ftp://ftp.moeller.net/DOCUMENTATION/PDF/nzm_technic_de_en.pdf
Eaton Industries GmbH http://www.eaton.eu © 06/2020 by Eaton Industries GmbH Eaton 111656 ED2020 V69.0 EN
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## Links
- [View this product on Novapart](https://novapart.co/products/NZMN3-AE630-BT/thermal-magnetic-circuit-breaker-mccb-nzm3-3p-50)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/eaton-moeller/nzmn3-ae630-bt/circ-br-4p-sist-cable-prot-terminals/dp/3501201)
---
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