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Undervoltage release, 110-130VAC +2early N/O
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: for interlocking and load-shedding circuits, as well as for early-make of the undervoltage release in main-switch applications. For use with Emergency-Stop devices in conjunction with emergency-stop button. when the shunt release is energized, accidental contact with the main contacts of the switch during attempts to switch on is safely prevented. Early make of auxiliary contacts on switching on and off (manual operation): approx. 20ms. Cannot be used in conjunction with NZM...-XR.. remote operator. Undervoltage releases cannot be installed simultaneously with NZM..-XHIV.. early-make auxiliary contact or NZM..-XA.. shunt release. Can be used for: NZM1(-4), N(N/O)1(-4)

Product range	Accessories
Accessories	Undervoltage release
Accessories	Undervoltage release with early-make auxiliary contact
Standard/Approval	UL/CSA, IEC
Construction size	NZM1
Description	Undervoltage release with 2 early-make auxiliary contacts, e.g., for early-make connection of undervoltage release in main switch applications, as well as for interlock and load shedding circuits. For use with emergency-stop devices in connection with an emergency-stop button. When the under-voltage trip is switched off, accidental contact with the circuit breaker’s primary contacts is prevented when switched on. Early make of auxiliary contacts on switching on and off (manual operation): approx. 20 ms Cannot be used in conjunction with NZM...-XR... remote operator. Undervoltage releases cannot be installed simultaneously with NZM...-XHIV... early-make auxiliary contact or NZM...-XA... shunt release.
Connection type	Coil terminals with 3 m of loose connection cables Auxiliary contact terminals wired to terminal block
Auxiliary contacts	with two separate early-make auxiliary contacts
Rated control voltage [Us]	110 - 130 V 50/60 Hz V
For use with	NZM1(-4), N(S)1(-4)
Rated control voltage [Us ] >AC [Us ]	110-130 V AC
Rated control voltage [Us ] >Rated control voltage [Us]	110 - 130 V 50/60 Hz V
Operating range >Drop-out voltage	0.35 - 0.7 x Us
Operating range >Pick-up voltage [x Uc]	0.85 - 1.1
Power consumption >AC >Pick-up AC	1.5 VA
Power consumption >AC >Sealing AC	1.5 VA
Power consumption >DC >Pick-up DC	0.8 W
Power consumption >DC >Sealing DC	0.8 W
Maximum opening delay (response time until opening of the main contacts)	19 ms
Minimum command time	10 - 15 ms
Solid or flexible conductor, with ferrule	1 x (0,75 - 2,5) 2 x (0,75 - 2,5) mm2
10.2 Strength of materials and parts >10.2.2 Corrosion resistance	1 x (18 … 14) 2 x (18 … 14) AWG
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	Meets the product standard´s requirements.
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	Does not apply, since the entire switchgear needs to be evaluated.
10.3 Degree of protection of ASSEMBLIES	Meets the product standard´s requirements.
10.4 Clearances and creepage distances	Does not apply, since the entire switchgear needs to be evaluated.
10.5 Protection against electric shock	Meets the product standard´s requirements.
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	Does not apply, since the entire switchgear needs to be evaluated.
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	Is the panel builder´s responsibility.
10.11 Short-circuit rating	The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices.
10.12 Electromagnetic compatibility	Is the panel builder´s responsibility. The specifications for the switchgear must be observed.
10.13 Mechanical function	Is the panel builder´s responsibility. The specifications for the switchgear must be observed.
Rated control supply voltage Us at AC 50HZ	The device meets the requirements, provided the information in the instruction leaflet (IL) is observed.
Rated control supply voltage Us at AC 60HZ	110 - 130 V
Rated control supply voltage Us at DC	110 - 130 V
Voltage type for actuating	0 - 0 V
Type of electric connection	AC
Number of contacts as normally open contact	Screw connection
Number of contacts as normally closed contact	2
Number of contacts as change-over contact	0
Delayed	0
Suitable for power circuit breaker	No
Suitable for off-load switch	Yes
Suitable for motor safety switch	Yes
Suitable for overload relay	No
Product Standards	No
UL File No.	UL489; CSA-C22.2 No. 5-09; IEC60947, CE marking
UL Category Control No.	E140305
CSA File No.	DIHS
CSA Class No.	022086
North America Certification	1437-01