Eaton Industrial Switchgear - XEnergy XPole Energy distribution, switching and protection

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Circuit-breakers, switch-disconnectors
Undervoltage releases, off-delayed
2010 CA08103002Z-EN
17/113
Undervoltage releases,off-delayed
For use with Part no.
Article no.
when ordered
separately
Price
See price
list
Std. pack Notes
Undervoltage releases, off-delayed
Combination of separate delay unit and special releases. For use
with emergency switching off devices in conjunction with emer-
gency switching off button. Not UL/CSA approved
Delay unit
Voltage dips of less than 0.06 – 16 s do not cause disconnection of
the NZM circuit-breaker or N switch-disconnector.
NZM1(-4), 2(-4), 3(-4), 4(-4)
N(S)1(-4), 2(-4), 3(-4), 4(-4)
50/60 Hz
220 V-240 V
380 V-440 V
480 V-550 V
DC/AC
24 V
UVU-NZM
260154
1 off Delay time can be set from 70 ms – 4 s.
With additional external capacitor:
• 30,000 μF ≧ 35 V up to 8 s
• 90,000 μF ≧ 35 V up to 16 s
A special release is required.
Cannot be installed simultaneously with early-make
auxiliary contact NZM...-XHIV... or shunt release
NZM...-XA... .
Delay unit for separate installation
(mounting: top-hat rail or screws).
For other operating voltages use a control
transformer.
Special trip block
For combination with separate delay unit
Without auxiliary contacts
NZM1 with 3 m loose connection cables instead of screw
terminal, NZM2, 3, and 4 with screw terminals
NZM1(-4)
N(S)1(-4)
NZM1-XUVL
271607
1 off Delay unit UVU-NZM is additionally required.
Cannot be installed simultaneously with separate
early-make auxiliary contact NZM...-XHIV... or shunt
release NZM...-XA.... NZM2(-4), N(S)2(-4)
NZM3(-4), N(S)3(-4)
NZM2/3-XUV
259527
NZM4(-4)
N(S)4(-4)
NZM4-XUV
266588
With two early-make auxiliary contacts
NZM1(-4)
N(S)1(-4)
NZM1-XUVHIVL
271608
1 off Cannot be used in conjunction with remote operator
NZM...-XR....
Delay unit UVU-NZM is additionally required.
Cannot be installed simultaneously with separate
early-make auxiliary contact NZM...-XHIV... or shunt
release NZM...-XA....
NZM1, 2, 3: Early make of auxiliary contacts on
switching on and off (manual operation): approx.
20 ms.
NZM4: Early make of auxiliary contacts on switching
on (manual operation): approx. 90 ms.
NZM2(-4), N(S)2(-4)
NZM3(-4), N(S)3(-4)
NZM2/3-XUVHIV
259684
NZM4(-4)
N(S)4(-4)
NZM4-XUVHIV
266596
With two independently operating early-make auxiliary contacts
NZM1 with 3 m separate connection cables instead of screw
terminal, NZM2, 3, 4 with screw terminal, contact 3.23 and
3.24 with 3 m separate connection cables.
NZM1(-4)
N(S)1(-4)
NZM1-XUVHIV20L
271609
1 off
NZM2(-4), N(S)2(-4)
NZM3(-4), N(S)3(-4)
NZM2/3-
XUVHIV20
259688
NZM4(-4)
N(S)4(-4)
NZM4-XUVHIV20
266604
D1
D2
U
D1 3.13
3.14 D2
U
3.23
3.24
3.13
3.14 D2
D1
NZM1, NZM2/3..., NZM4 HPL17113EN