Product Length/Depth

107 mm

Product Height

51 mm

Product Width

64 mm

Product Weight

0.24 kg

Compliances

IEC

UL/CSA

RoHS conform

Certifications

CSA certified

CSA (Class No. 1437-01)

CSA (File No. 22086)

UL (Category Control Number DIHS)

UL listed

UL489

UL (File No. E140305)

IEC60947

CSA-C22.2 No. 5-09

CE marking

10.11 Short-circuit rating

Is the panel builder's responsibility. The specifications for the switchgear must be observed.

Rated control supply voltage (Us) at AC, 50 Hz - min

480 V

10.4 Clearances and creepage distances

Meets the product standard's requirements.

Minimum command time - min

10 ms

10.12 Electromagnetic compatibility

Is the panel builder's responsibility. The specifications for the switchgear must be observed.

10.2.5 Lifting

Does not apply, since the entire switchgear needs to be evaluated.

Pick-up power consumption at AC (undervoltage release)

3.6 VA

10.2.3.1 Verification of thermal stability of enclosures

Meets the product standard's requirements.

Rated control supply voltage (Us) at DC - min

0 V

Fitted with:

Two early-make auxiliary contacts

Pick-up power consumption at DC (undervoltage release)

2.5 W

Rated control supply voltage (Us) at AC, 50 Hz - max

525 V

10.8 Connections for external conductors

Is the panel builder's responsibility.

Minimum command time - max

15 ms

Special features

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 (manual operation): approx. 90 ms.

Undervoltage releases cannot be installed simultaneously with NZM...-XHIV... early-make auxiliary contact or NZM...-XA... shunt release.

Cannot be used in conjunction with NZM...-XR... remote operator.

Rated control supply voltage (Us) at DC - max

0 V

10.9.3 Impulse withstand voltage

Is the panel builder's responsibility.

Rated control supply voltage

480 - 525 V 50/60 Hz

10.6 Incorporation of switching devices and components

Does not apply, since the entire switchgear needs to be evaluated.

10.5 Protection against electric shock

Does not apply, since the entire switchgear needs to be evaluated.

Used with

NZM4(-4), N(S)4(-4)

Electric connection type

Screw connection

10.13 Mechanical function

The device meets the requirements, provided the information in the instruction leaflet (IL) is observed.

10.2.6 Mechanical impact

Does not apply, since the entire switchgear needs to be evaluated.

10.9.4 Testing of enclosures made of insulating material

Is the panel builder's responsibility.

Number of contacts (normally closed contacts)

0

10.3 Degree of protection of assemblies

Does not apply, since the entire switchgear needs to be evaluated.

Voltage type

AC

Drop-out voltage of undervoltage release AC/DC - min

0.35 x Us

Frame

NZM4

Reaction time

23 ms

Suitable for

Off-load switch

Voltage tolerance - min

.85

Rated control voltage (relay contacts)

480 V AC

525 V AC

Power consumption

3.6 VA (Sealing AC)

2.5 W (sealing DC)

10.2.3.2 Verification of resistance of insulating materials to normal heat

Meets the product standard's requirements.

Drop-out voltage of undervoltage release AC/DC - max

0.7 x Us

10.2.3.3 Resist. of insul. mat. to abnormal heat/fire by internal elect. effects

Meets the product standard's requirements.

Connection type

With bolt connection

10.9.2 Power-frequency electric strength

Is the panel builder's responsibility.

Voltage tolerance - max

1.1

Undelayed short-circuit release - min

0 A

Rated control supply voltage (Us) at AC, 60 Hz - min

480 V

10.7 Internal electrical circuits and connections

Is the panel builder's responsibility.

Terminal capacity (solid/flexible conductor)

0.75 mm² - 2.5 mm² (2x) at shunt release with ferrule

18 - 14 AWG (1x) for undervoltage releases, off-delayed

18 - 14 AWG (1x) at shunt release

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) for undervoltage releases, off-delayed

0.75 mm² - 2.5 mm² (1x) at shunt release with ferrule

18 - 14 AWG (2x) at shunt release

10.10 Temperature rise

The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices.

Type

Accessory

Undervoltage release

Undervoltage release with early-make auxiliary contact

10.2.2 Corrosion resistance

Meets the product standard's requirements.

10.2.4 Resistance to ultra-violet (UV) radiation

Meets the product standard's requirements.

10.2.7 Inscriptions

Meets the product standard's requirements.

Rated control supply voltage (Us) at AC, 60 Hz - max

525 V

Number of contacts (normally open contacts)

2

Undelayed short-circuit release - max

0 A

Number of contacts (change-over contacts)

0