Undervoltage release, for delay unitUndervoltage release for switch frame size NZM4, for combination with separate delay unit
Undervoltage release, for delay unit
Undervoltage release for switch frame size NZM4, for combination with separate delay unit
| Product range | Accessories |
| Accessories | Undervoltage release |
| Accessories | Undervoltage releases, off-delayed |
| Standard/Approval | IEC |
| Construction size | NZM4 |
| Description | Special releases for combining with separate delay time. For use with emergency-stop devices in connection with an emergency-stop button. not UL/CSA approved UVU-NZM delay unit is additionally required. Cannot be installed simultaneously with separate NZM...-XHIV early-make auxiliary contact or NZM...-XA... shunt release. |
| Connection type | With bolt connection |
| Auxiliary contacts | without auxiliary contact |
| For use with | NZM4(-4) N(S)4(-4) |
| Rated operational voltage [Ue] [Ue ] | 18 V DC |
| Terminal capacities >Solid or flexible conductor, with ferrule |
1 x (0,75 - 2,5) 2 x (0,75 - 2,5) mm2 |
| Terminal capacities | 1 x (18 … 14) 2 x (18 … 14) AWG |
| 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 |
| Voltage type for actuating | DC |
| Type of electric connection | Screw connection |
| Number of contacts as normally open contact | 0 |
| Number of contacts as normally closed contact | 0 |
| Number of contacts as change-over contact | 0 |
| Delayed | Yes |
| Suitable for power circuit breaker | Yes |
| Suitable for off-load switch | Yes |
| Suitable for motor safety switch | No |
| Suitable for overload relay | No |
| Product Standards | UL489; CSA-C22.2 No. 5-09; IEC60947, CE marking |
| UL File No. | E140305 |
| UL Category Control No. | DIHS |
| CSA File No. | 022086 |
| CSA Class No. | 1437-01 |
| North America Certification | UL listed, CSA certified |
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