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

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17/182 Circuit-breakers, switch-disconnectors
Earth-fault releases
2010 CA08103002Z-EN
Earth-fault releases
NZM...-XFI...
NZM1(-4)-XFI30R
NZM1(-4)-XFI300R
NZM1(-4)-XFIR
NZM1(-4)-XFI30U
NZM1(-4)-XFI300U
NZM1(-4)-XFIU
+NZM2-4-XFI30
+NZM2-4-XFI
+NZM2-4-XFIA30
+NZM2-4-XFIA
NZMH2...-XFIA30
Electrical
Standards IEC/EN 60947‐2
Sensitivity Pulse-current sensitive, type A
Min. operating voltage
For detecting type A/AC fault
currents
80 V (dependent on
mains power)
80 V (dependent on
mains power)
0 V (independent of
mains power)
0 V (independent of
mains power)
For detecting type B fault currents – – – 50 V (dependent on
mains power)
Suitable for use in Three- and single-
phase systems
Three-
phase systems
Three- and single-
phase systems
Three- and single-
phase systems
Rated operating voltage Ue V AC 200…415 (3~) 200…415 (3~) 280…690 50…400 (3~)
Rated frequency f Hz 50/60 50/60 50/60 50/60
Number of poles 3/4 3/4 3/4 3/4
Rated operational current range In A 15…160 15…100 15…250 15…250
Rated fault currents IΔn A
NZM1(-4)-XFI30R 0.03
NZM1(-4)-XFI300R 0.3
NZM1(-4)-XFIR 0.03-0.1-0.3-0.5-1-3
NZM1(-4)-XFI30U 0.03
NZM1(-4)-XFI300U 0.3
NZM1(-4)-XFIU 0.03-0.1-0.3-0.5-1-3
+NZM2-4-XFI30 0.03
+NZM2-4-XFI 0.1-0.3-1-3
+NZM2-4-XFIA30 0.03
+NZM2-4-XFIA 0.3-1
NZMH2...-XFIA30 0.03
Detection range of fault current 50/60 Hz 50/60 Hz 50/60 Hz With AC voltage:
0 – 100 kHz
With pulsed DC
voltage: 50 Hz
Rated ultimate short-circuit making and
rated breaking capacity
IΔm A = ICU = ICU = ICU = ICU
Fault current early warning ≧ 0.3 x IΔn ≧ 0.3 x IΔn – –
Shock resistance (IEC 60068-2-27) 20 (half-sinusoidal shock 20 ms)
Lifespan, mechanical
(50 % with fault current)
Operations 20000 20000 ≧ 2000 ≧ 2000
NZMH2: 20000
Mechanical
Standard front dimension mm 45 45 96 96
Mounting On right side Bottom Bottom Bottom
Mounting position Vertical and 90° in all directions
Feeder NZM1 from above NZM1 from above Any Bottom
Degree of protection IP20 in the operating component area
Ambient temperature °C –5…+40 –5…+40 –25…+70 –25…+70
Terminal capacities
Flexible without ferrule mm 2 Same as NZM1 standard terminal
Flexible with ferrule mm 2 Same as NZM1 standard terminal
Sealability Yes, setting buttons