Current transformer for earth-leakage circuit-breaker inner diameter 70mmOptional accessories for the circuit-breaker series NZM offers a comprehensive portfolio of application options for use world wide. The mounting is always flexible and easy thanks to the modular function groups. Notes: not UL/CSA approved. Incl. screw fixing. Alternative: fixing clip for DIN top-hat rail mounting. Engineering Guidelines: the current transformer diameter must be selected 1.5 times larger than the envelope diameter of the passed through conductor., than the envelope diameter of the passed through conductor. Can be used for: NZM1, NZM1-4, N1, N1-4, NZM2, NZM2-4, N2, N2-4, NZM3, NZM3-4, N3, N3-4, NZM1-NA, NZM2-NA, NZM3-NA
Current transformer for earth-leakage circuit-breaker inner diameter 70mm
Optional accessories for the circuit-breaker series NZM offers a comprehensive portfolio of application options for use world wide. The mounting is always flexible and easy thanks to the modular function groups. Notes: not UL/CSA approved. Incl. screw fixing. Alternative: fixing clip for DIN top-hat rail mounting. Engineering Guidelines: the current transformer diameter must be selected 1.5 times larger than the envelope diameter of the passed through conductor., than the envelope diameter of the passed through conductor. Can be used for: NZM1, NZM1-4, N1, N1-4, NZM2, NZM2-4, N2, N2-4, NZM3, NZM3-4, N3, N3-4, NZM1-NA, NZM2-NA, NZM3-NA
| Description | In combination with PFR residual current relay not UL/CSA approved |
| Diameter [⌀] | 70 mm |
| Rated operational voltage [Ue] | 690 V 50/60 Hz V AC |
| Notes | incl. screw fixing Alternative: fixing clip for DIN mounting rail Design note: The current transformer diameter must be selected 1.5 times larger than the envelope diameter of the passed through conductor. |
| Standards | IEC |
| Rated voltage of the relay contact | 690V (50/60 Hz) V AC/DC |
| Mounting | Incl. fixing clip for DIN-rail mounting |
| 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. |
| Rated control supply voltage Us at AC 50HZ | 0 - 0 V |
| Rated control supply voltage Us at AC 60HZ | 0 - 0 V |
| Rated control supply voltage Us at DC | 0 - 0 V |
| Rated fault current | 0 - 0 A |
| Max. power on-delay time | 0 ms |
| Delay adjustable | No |
| Max. rated operation voltage Ue | 0 V |
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