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17/52 Circuit-breakers, switch-disconnectors, UL/CSA IEC
Circuit-breakers, switch-disconnectors for North America, 3 pole
2010 CA08103002Z-EN
www.eaton.comCircuit-breakers, switch-disconnectors forNorthAmerica, 3pole
Circuit-breakers
UL/CSA approved to UL 489, CSA-C22.2 No. 5-09
as well as IEC/EN 60947
With main switch characteristics to IEC/EN 60204 and isolating
characteristics to IEC/EN 60947, VDE 0660
Rated uninterrupted current I
u
= Rated current I
n
Adjustable overload releases I
r
Adjustable short-circuit releases I
i
Delayed short-circuit releases I
sd
Thermomagnetic releases
Overload release
Fixed
Adjustable
None
I
u
I
u
I
r
I
u
A
A
A
A
NZM1
NZM2
NZM1
NZM2
NZM1
NZM2
15-
125
15-
250
20-
125
20-
250
0.8-1 x I
n
1.2-
100
1.6-
250
Basic switching capacity
1)
NZMB1-...-NA
NZMB2-...-NA
NEMA Test Procedure
240 V 60 Hz
sym. rms kA 35
35
SCCR
480 V 60 Hz
sym. rms kA 25
2)
25
600 V 60 Hz
sym. rms kA –
18
4)
IEC/EN 60947
400/415 V
kA/p.f.
25
0.25
25
0.25
440 V
kA/p.f.
25
0.25
25
0.25
Normal switching capacity
1)
NZMN1-...-NA
NZMN2-...-NA
NEMA Test Procedure
240 V 60 Hz
sym. rms kA 85
85
SCCR
480 V 60 Hz
sym. rms kA 35
2)
35
600 V 60 Hz
sym. rms kA –
25
4)
IEC/EN 60947
400/415 V
kA/p.f.
50
0.25
50
0.25
440 V
kA/p.f.
35
0.25
35
0.25
525 V
kA/p.f.
20
0.30
25
0.25
690 V
kA/p.f.
10
0.50
20
0.30
High switching capacity
1)
NZMH2-...-NA
NEMA Test Procedure
240 V 60 Hz
sym. rms kA
150
SCCR
480 V 60 Hz
sym. rms kA
100
600 V 60 Hz
sym. rms kA
65
3)4)
IEC/EN 60947
400/415 V
kA/p.f.
150
0.20
440 V
kA/p.f.
130
0.20
525 V
kA/p.f.
50
0.25
690 V
kA/p.f.
20
0.30
Notes
1)
Switches correspond with both UL/CSA and IEC regulations
IEC switching performance values shown on type label. ￫Technical data
2)
For NZM...1-...-NA 480Y/277V
3)
For NZMH2 > 125 A: 50 kA
4)
For NZM...2: 600Y/347 V
NZM1, NZM2, NZM3, NZM4
HPL17052EN