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17/178 NZM circuit-breakers
Temperature dependency
2010 CA08103002Z-EN
www.eaton.comTemperaturedependency
Reduction of the rated operational current (derating) under particular ambient conditions
Basic devices
Jumper kits
Contact
protection
Mounting
position
Temperature compensation coefficient
20 °C 30 °C 40 °C 50 °C 55 °C 60 °C 65 °C 70 °C
Switch-disconnectors
N2-4-160-S1-DC
+NZM2-4-XKV2P
IP2X
v
1
1
1
1
1
1
1
1
h
1
1
1
1
1
1
1
1
N2-4-200-S1-DC
+NZM2-4-XKV2P
IP2X
v
1
1
1
1
1
1
1
0.95
h
1
1
1
1
1
1
0.95
0.92
N3-4-320(400)-S1-DC
+NZM3-4-XKV2P
IP2X
v
1
1
1
1
1
1
1
1
h
1
1
1
1
1
1
1
1
+NZM3-4-XKVI2P
IP00
v
1
1
1
1
1
1
1
1
h
1
1
1
1
1
1
1
1
N3-4-500-S1-DC
+NZM3-4-XKVI2P-K
IP00
v
1
1
1
1
1
1
1
0.97
h
1
1
1
1
1
1
0.97
0.95
+NZM3-4-XKVI2P
IP00
v
1
1
1
1
0.97
0.95
0.92
0.89
h
1
1
1
0.97
0.95
0.92
0.89
0.87
+NZM3-4-XKV2P-K
IP1X
v
1
1
1
1
1
0.98
0.95
0.92
h
1
1
1
1
0.97
0.94
0.91
0.89
+NZM3-4-XKV2P-K
IP2X
v
1
1
1
0.95
0.92
0.89
0.86
0.83
h
1
1
0.98
0.93
0.9
0.87
0.84
0.81
N4-4-800(1000)-S1-DC
+NZM4-4-XKV2P
IP2X
v
1
1
1
1
1
1
1
1
h
1
1
1
1
1
1
1
1
N4-4-1250-S1-DC
+NZM4-4-XKV2P
IP2X
v
1
1
1
1
1
1
1
0.97
h
1
1
1
1
1
1
0.97
0.95
N4-4-1400-S1-DC
+NZM4-4-XKV2P
IP2X
v
1
1
0.94
0.92
0.9
–
–
h
1
1
0.97
0.91
–
–
–
–
+NZM3-4-XKV2P-1400
IP00
v
1
1
1
1
1
1)
1
1)
1
1)
0.97
h
1
1
1
1
1
1)
1
1)
1
1)
0.97
Notes
Mounting position:
v = vertical, h = horizontal
Incomer and outgoer at bottom or top, freely selectable.
1)
Incomer at from bottom only.
N...S1-DC