Connection width extension, 4p, shortOptional accessories for circuit-breaker series NZM offers a comprehensive portfolio of application possibilities for worldwide use. Modular functional groups make mounting flexible and simple.
Connection width extension, 4p, short
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.
| Accessories | Connection width extension |
| Description | One hole |
| Number of conductors | 4 pole |
| Rated current [In] | 630 A |
| For use with | NZM3-4, PN3-4, N(S)3-4 |
| Type of conductor >Cu/Al cable |
Copper cable lugs |
| Terminal capacities >flexible |
2 x 300 mm2 |
| AWG/kcmil | 2 x 500 mm2 |
| Cu strip (number of segments x width x segment thickness) | (2 x) 10 x 50 x 1.0 mm2 |
| Copper busbar width x thickness [Width] | (2 x) 10 x 50 mm |
| Notes | Type contains parts for a terminal located at top or bottom for3 or 4 pole circuit-breakers. Central drill holes, e.g. for up to 2 cable lugs per phase. Can be fitted to circuit-breaker with screw termination Phase isolator supplied. Distance between pole centres with NZM3(-4)-XKV70: 70 mm Drill hole available for control cable. Connection terminals NZM3(‐4)‐XK300 and NZM3(‐4)‐XK22X21 can be installed. |
| 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. |
| Suitable for number of poles | 4 |
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