Shunt release, 48VAC/DCOptional 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: switches are tripped by a voltage pulse or by the application of uninterrupted voltage. If the shunt release is energized, accidental contact with the main contacts of the switch during attempts to switch on is safely prevented.undervoltage releases cannot be installed simultaneously with NZM..-XHIV.. early-make auxiliary contact or NZM..-XU.. shunt release. Can be used for: NZM4(-4), N(N/O)4(-4)
Shunt release, 48VAC/DC
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: switches are tripped by a voltage pulse or by the application of uninterrupted voltage. If the shunt release is energized, accidental contact with the main contacts of the switch during attempts to switch on is safely prevented.undervoltage releases cannot be installed simultaneously with NZM..-XHIV.. early-make auxiliary contact or NZM..-XU.. shunt release. Can be used for: NZM4(-4), N(N/O)4(-4)
| Product range | Accessories |
| Accessories | Shunt release |
| Accessories | Shunt releases |
| Standard/Approval | UL/CSA, IEC |
| Construction size | NZM4 |
| Description | Switches are tripped by a voltage pulse or by the application of uninterrupted voltage. If the shunt trip is live, contact with the circuit breaker’s primary contacts is prevented when switched on. Shunt releases cannot be installed simultaneously with NZM...-XHIV... early-make auxiliary contact or NZM...-XU... undervoltage release. |
| Connection type | With bolt connection |
| Auxiliary contacts | without auxiliary contact |
| Rated control voltage [Us] | 48 V AC/DC V |
| For use with | NZM4(-4), N(S)4(-4) |
| Rated control voltage [Us
] >AC [Us ] |
48-48 V AC |
| Rated control voltage [Us
] >DC [Us ] |
48-48 V DC |
| Frequency | 50/60/200/400, DC Hz |
| Operating range >AC [x Us] |
0.7 - 1.1 |
| Operating range >DC [x Us] |
0.7 - 1.1 |
| Power consumption >Pick-up AC/DC |
2.5 VA/W |
| Power consumption >Power consumption Pick-up = Sealing |
2.5 VA/W |
| Maximum opening delay (response time until opening of the main contacts) | 22 ms |
| Maximum duty factor | ∞ ms |
| Minimum command time | 10 … 15 ms |
| 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 | 48 - 48 V |
| Rated control supply voltage Us at AC 60HZ | 48 - 48 V |
| Rated control supply voltage Us at DC | 48 - 48 V |
| Voltage type for actuating | AC/DC |
| Initial value of the undelayed short-circuit release - setting range | 0 A |
| End value adjustment range undelayed short-circuit release | 0 A |
| 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 |
| 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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