Adapter set, 1250A, NZM4/NZM12Optional 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: conversion kit from N(ZM)12 to N(ZM)4. With the terminal lugs of the replacement kit all 3 pole NZM12 and N12 can be adapted to the connection dimensions of the NZM4 or N4 manufactured from model year 1983. 4 pole basic devices, withdrawable units and basic devices with remote operator can not be replaced. Contents of replacement kits of N(ZM)4-XAS12.., 3 connection extensions on outlet side, 3 connection extensions on trip block side, 2 mounting brackets, 4 fixing screw, 4 phase isolators, 6 fixing screw, nuts and strain washers. Paper drilling template in the assembly and maintenance instructions. Prior to 12/800 the N(ZM)02-97 was supplied with 10 mm instead of 8 mm terminal lugs. With these models the customer must determine the device’s year of manufacture by measuring the thickness of the terminal lug and order replacement kit N(ZM)4-XAS12-1250. Addition for devices constructed prior to 1983! Here the replacement kit for switch-disconnectors can be used in full. for circuit-breakers with “long” ZM design, the adapter fit only at the top! At the bottom the devices are about 65mm longer and the lower connection is about 26mm deeper. Consequently the bottom adapters are too short and the heights do not correspond. Can be used for: NZM4
Adapter set, 1250A, NZM4/NZM12
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: conversion kit from N(ZM)12 to N(ZM)4. With the terminal lugs of the replacement kit all 3 pole NZM12 and N12 can be adapted to the connection dimensions of the NZM4 or N4 manufactured from model year 1983. 4 pole basic devices, withdrawable units and basic devices with remote operator can not be replaced. Contents of replacement kits of N(ZM)4-XAS12.., 3 connection extensions on outlet side, 3 connection extensions on trip block side, 2 mounting brackets, 4 fixing screw, 4 phase isolators, 6 fixing screw, nuts and strain washers. Paper drilling template in the assembly and maintenance instructions. Prior to 12/800 the N(ZM)02-97 was supplied with 10 mm instead of 8 mm terminal lugs. With these models the customer must determine the device’s year of manufacture by measuring the thickness of the terminal lug and order replacement kit N(ZM)4-XAS12-1250. Addition for devices constructed prior to 1983! Here the replacement kit for switch-disconnectors can be used in full. for circuit-breakers with “long” ZM design, the adapter fit only at the top! At the bottom the devices are about 65mm longer and the lower connection is about 26mm deeper. Consequently the bottom adapters are too short and the heights do not correspond. Can be used for: NZM4
| Accessories | Connection adapter set |
| Number of conductors | 3 pole |
| Rated current [In] | ≦ 1250 A |
| For use with | NZM4 |
| Notes | Kit for conversion of N(ZM)12 to N(ZM)4. Using the connection lugs of the exchange kit all 3-pole NZM12 or N12 can be adapted to the connection dimensions of the NZM4 or N4, which have been manufactured since 1983. Non-exchangable are 4-pole base units as well as devices with withdrawable units and remote operators. Scope of the exchange kits N(ZM)4‐XAS12…: 3 connection extensions on outlet side 3 connection extensions on trip block side 2 mounting brackets 4 fixing screws 4 phase isolators 6 fixing screws, nuts and washers Paper drilling template in the assembly instructions (AWA) The exchange kits have identical dimensions to the types N(ZM)12…, which correspond to the types manufactured from 02/97 onwards. Special feature: The N(ZM)12‐800 manufactured before 02/97 features 10 mm connection lugs instead of the 8 mm connections lugs currently used. With these types the customer must determine the year of manufacture of the device by measuring the thickness of the connection lugs and order the exchange kit N(ZM)4‐XAS12‐1250. Example: N(ZM)12‐800…(1000) > N(ZM)4‐XAS12‐1000 N(ZM)12‐800 vor 02/97 > N(ZM)4‐XAS12‐1250 N(ZM)12‐1250 > N(ZM)4‐XAS12‐1250 N(ZM)12‐1600 > N(ZM)4‐XAS12‐1600 Expansion for devices manufactured before 1983! The exchange kit for switch-disconnector can be used completely here. The adapters will only fit on top on the circuit-breaker with the longer “ZM” version! The devices are about 65 mm longer at the bottom and the lower connection is about 26 mm lower. Accordingly, the adapters are too short for the bottom and the height does not correspond either. |
| 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 | 3 |
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