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17/136 Circuit-breakers, switch-disconnectors
Earth-fault release
2010 CA08103002Z-EN
www.eaton.comEarth-fault release
For use
with
Number of
conductors
Part no.
Article no.
Price
See price
list
Std. pack
Notes
Earth-fault release
To IEC/EN 60947-2
Not UL/CSA approved
Suitable for use in three- and single-phase systems
Pulse-current sensitive according to core-balance principle
For 3 and 4 pole NZM1(-4) circuit-breakers and N1(-4)
switch-disconnectors, dependant on mains power U
e
= 200 … 415 V 50/60 Hz
Mounting on right side up to I
n
= 160 A at I
Cu
= 50 kA
Rated fault current
I
Δn
= 0.03 A
NZM1
N(S)1
3 pole
NZM1-XFI30R
104603
1 off
At I
△n
= 0.03 A: delay time t
v
always fixed at
10 ms.
Alarm indication > 30 % I
△n
by yellow LED.
Trip indication by up to 2 auxiliary contacts
(HIAFI) can be retrofitted: N/O = M22-K01,
NC = M22-K10 are reset with the reset
toggle lever.
If the trip-indicating auxiliary contact in the
fault current block is used, the NC contacts
operates as a N/O contact and the NC
contact operates as N/O contacts. Double
contact not permissible.
Not in combination with insulated
enclosure or main switch assembly kit for
side wall installation with mounting
bracket.
NZM1-XFI...R can not be used in
combination with lower cover
NZM1-XKSA.
NZM1-XFI…U not in combination with
shunt or undervoltage release, early-make
auxiliary contacts.
Rated ultimate short-circuit breaking
capacity is determined by the fitted NZM1
or NS1, or, Iif a switch-disconnector N1 is
used, by the fitted back-up fuse
￫Technical data.
Adjusting buttons can be sealed.
NZM1-4
N1-4
4 pole
NZM1-4-XFI30R
104606
Rated fault current
I
Δn
= 0.3 A
NZM1
N(S)1
3 pole
NZM1-XFI300R
104604
NZM1-4
N1-4
4 pole
NZM1-4-XFI300R
104607
Rated fault current
I
Δn
= 0.03-0.1-0.3-0.5-
1-3 A
Delay time
t
v
= 10-60-150-
300-450 ms
NZM1
N(S)1
3 pole
NZM1-XFIR
104605
NZM1-4
N1-4
4 pole
NZM1-4-XFIR
104608
Mounting below up to 100 A
Rated fault current
I
Δn
= 0.03 A
NZM1
N(S)1
3 pole
NZM1-XFI30U
104609
1 off
NZM1-4
N1-4
4 pole
NZM1-4-XFI30U
104612
Rated fault current
I
Δn
= 0.3 A
NZM1
N(S)1
3 pole
NZM1-XFI300U
104610
NZM1-4
N1-4
4 pole
NZM1-4-XFI300U
104613
Rated fault current
I
Δn
= 0.03-0.1-0.3-0.5-
1-3 A
Delay time
t
v
= 10-60-150-
300-450 ms
NZM1
N(S)1
3 pole
NZM1-XFIU
104611
NZM1-4
N1-4
4 pole
NZM1-4-XFIU
104614
Mounting below up to 250 A
Pulse-current sensitive according to core-balance principle
For 4 pole circuit-breaker NZM2-4 and switch-disconnector N2-4
independent of mains voltage U
e
= 280 … 690 V 50/60 Hz
Rated fault current
I
Δn
= 0.03 A
NZM2-4
N2-4
4 pole
+NZM2-4-XFI30
292343
1 off
Auxiliary contacts (1 N/O, 1 NC built-in) are
reset with the reset button.
Not in combination with plug-in units,
insulated enclosure or main switch
assembly kit for side wall installation with
mounting bracket.
Rated ultimate short-circuit breaking
capacity is determined by fitted NZM2 and,
when using a switch-disconnector N2, by
the back-up fuse used￫Technical data.
Adjusting buttons can be sealed.
Rated fault current
I
Δn
0.1-0.3-1-3 A
Delay time
t
v
= 60-150-300-
450 ms
NZM2-4
N2-4
4 pole
+NZM2-4-XFI
292344
1 off
Core-balance principle with AC/DC current sensitivity
(in range 0 … 100 kHz)
For 4 pole circuit-breaker NZM2-4 and switch-disconnector N2-4
Internal voltage supply U
e
= 50 … 400 V
Rated fault current
I
Δn
= 0.03 A
NZM2-4
N2-4
4 pole
+NZM2-4-XFIA30
292345
1 off
Observe response threshold dependence
on frequency!
See “Frequency response” characteristic
curve.
Adjusting buttons can be sealed.
Rated fault current
I
Δn
0.3- 0.5-1 A
Delay time
t
v
= 60-150-300-
450 ms
NZM2-4
N2-4
4 pole
+NZM2-4-XFIA
292346
1 off
NZM...XFI...
HPL17136EN