| Product Name | 
                                            
                                            
                                             
                                                Eaton Moeller series NZM Undervoltage release
                                             
                                         | 
                                    
| Catalog Number | 
                                            
                                            
                                             
                                                259531
                                             
                                         | 
                                    
| Product Length/Depth | 
                                            
                                            
                                             
                                                37 mm
                                             
                                         | 
                                    
| Product Height | 
                                            
                                            
                                             
                                                66 mm
                                             
                                         | 
                                    
| Product Width | 
                                            
                                            
                                             
                                                32 mm
                                             
                                         | 
                                    
| Product Weight | 
                                            
                                            
                                             
                                                0.084 kg
                                             
                                         | 
                                    
| Compliances | 
                                            
                                            
                                             
                                                UL/CSA  
                                        IEC RoHS conform  | 
                                    
| Certifications | 
                                            
                                            
                                             
                                                UL (File No. E140305)  
                                        CSA-C22.2 No. 5-09 CE marking IEC60947 CSA (Class No. 1437-01) UL (Category Control Number DIHS) UL listed CSA certified UL489 CSA (File No. 22086)  | 
                                    
| Used with | 
                                            
                                            
                                             
                                                NZM1(-4), N(S)1(-4)
                                             
                                         | 
                                    
| 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.
                                             
                                         | 
                                    
| 10.2.2 Corrosion resistance | 
                                            
                                            
                                             
                                                Meets the product standard's requirements.
                                             
                                         | 
                                    
| 10.2.3.1 Verification of thermal stability of enclosures | 
                                            
                                            
                                             
                                                Meets the product standard's requirements.
                                             
                                         | 
                                    
| 10.2.3.2 Verification of resistance of insulating materials to normal heat | 
                                            
                                            
                                             
                                                Meets the product standard's requirements.
                                             
                                         | 
                                    
| 10.2.3.3 Resist. of insul. mat. to abnormal heat/fire by internal elect. effects | 
                                            
                                            
                                             
                                                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.
                                             
                                         | 
                                    
| 10.9.2 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.
                                             
                                         | 
                                    
| Electric connection type | 
                                            
                                            
                                             
                                                Screw connection
                                             
                                         | 
                                    
| Fitted with: | 
                                            
                                            
                                             
                                                Two early-make auxiliary contacts
                                             
                                         | 
                                    
| Frame | 
                                            
                                            
                                             
                                                NZM1
                                             
                                         | 
                                    
| Minimum command time - max | 
                                            
                                            
                                             
                                                15 ms
                                             
                                         | 
                                    
| Minimum command time - min | 
                                            
                                            
                                             
                                                10 ms
                                             
                                         | 
                                    
| Number of contacts (normally open contacts) | 
                                            
                                            
                                             
                                                2
                                             
                                         | 
                                    
| Reaction time | 
                                            
                                            
                                             
                                                19 ms
                                             
                                         | 
                                    
| Pick-up power consumption at AC (undervoltage release) | 
                                            
                                            
                                             
                                                1.5 VA
                                             
                                         | 
                                    
| Pick-up power consumption at DC (undervoltage release) | 
                                            
                                            
                                             
                                                0.8 W
                                             
                                         | 
                                    
| Voltage tolerance - max | 
                                            
                                            
                                             
                                                1.1
                                             
                                         | 
                                    
| Voltage tolerance - min | 
                                            
                                            
                                             
                                                0.85
                                             
                                         | 
                                    
| Rated control supply voltage | 
                                            
                                            
                                             
                                                24 V 50/60 Hz
                                             
                                         | 
                                    
| Rated control supply voltage (Us) at AC, 50 Hz - max | 
                                            
                                            
                                             
                                                24 V
                                             
                                         | 
                                    
| Rated control supply voltage (Us) at AC, 50 Hz - min | 
                                            
                                            
                                             
                                                24 V
                                             
                                         | 
                                    
| Rated control supply voltage (Us) at AC, 60 Hz - max | 
                                            
                                            
                                             
                                                24 V
                                             
                                         | 
                                    
| Rated control supply voltage (Us) at AC, 60 Hz - min | 
                                            
                                            
                                             
                                                24 V
                                             
                                         | 
                                    
| Suitable for | 
                                            
                                            
                                             
                                                Off-load switch
                                             
                                         | 
                                    
| Connection type | 
                                            
                                            
                                             
                                                With terminal block on the left-hand switch side
                                             
                                         | 
                                    
| Voltage type | 
                                            
                                            
                                             
                                                AC
                                             
                                         | 
                                    
| Drop-out voltage of undervoltage release AC/DC - max | 
                                            
                                            
                                             
                                                0.7 x Us
                                             
                                         | 
                                    
| Drop-out voltage of undervoltage release AC/DC - min | 
                                            
                                            
                                             
                                                0.35 x Us
                                             
                                         | 
                                    
| Terminal capacity (solid/flexible conductor) | 
                                            
                                            
                                             
                                                0.75 mm² - 2.5 mm² (2x) at shunt release with ferrule  
                                        18 - 14 AWG (1x) at shunt release 18 - 14 AWG (1x) for undervoltage releases, off-delayed 0.75 mm² - 2.5 mm² (1x) at shunt release with ferrule 0.75 mm² - 2.5 mm² (1x) for undervoltage releases, off-delayed with ferrule 0.75 mm² - 2.5 mm² (2x) for undervoltage releases, off-delayed with ferrule 18 - 14 AWG (2x) at shunt release 18 - 14 AWG (2x) for undervoltage releases, off-delayed  | 
                                    
| Type | 
                                            
                                            
                                            
  | 
                                    
| Special features | 
                                            
                                            
                                            
  | 
                                    
| Power consumption | 
                                            
                                            
                                             
                                                1.5 VA (sealing AC)  
                                        0.8 W (sealing DC)  | 
                                    
| Rated control supply voltage (Us) at DC - max | 
                                            
                                            
                                             
                                                0 V
                                             
                                         | 
                                    
| Rated control supply voltage (Us) at DC - min | 
                                            
                                            
                                             
                                                0 V
                                             
                                         | 
                                    
| Number of contacts (normally closed contacts) | 
                                            
                                            
                                             
                                                0
                                             
                                         | 
                                    
| Number of contacts (change-over contacts) | 
                                            
                                            
                                             
                                                0
                                             
                                         | 
                                    
| Undelayed short-circuit release - min | 
                                            
                                            
                                             
                                                0 A
                                             
                                         | 
                                    
| Undelayed short-circuit release - max | 
                                            
                                            
                                             
                                                0 A
                                             
                                         | 
                                    
| Rated control voltage (relay contacts) | 
                                            
                                            
                                             
                                                24 V AC
                                             
                                         |