18879

$780.36
Special Order-Generally ships in 14 to 21 Business Days
SKU
18879

NG125 - circuit breaker - NG125LMA - 3P - 4A - MA curve

Main
Network type
AC
Trip unit technology
Magnetic
Curve code
MA
Breaking capacity
100 kA Icu conforming to EN/IEC 60947-2 - 220...240 V AC 50/60 Hz

50 kA Icu conforming to EN/IEC 60947-2 - 380...415 V AC 50/60 Hz

15 kA Icu conforming to EN/IEC 60947-2 - 500 V AC 50/60 Hz

40 kA Icu conforming to EN/IEC 60947-2 - 440 V AC 50/60 Hz
Utilisation category
Category A conforming to IEC 60947-2
Suitability for isolation
Yes conforming to IEC 60947-2
Range of product
NG125
Range
Acti 9
Product name
Acti 9 NG125LMA
Product or component type
Miniature circuit-breaker
Device short name
NG125LMA
Device application
Motor
Poles description
3P
Number of protected poles
3
[In] rated current
4 A at 40 °C
Complementary
Network frequency
50/60 Hz
[Ue] rated operational voltage
220...240 V AC 50/60 Hz

380...415 V AC 50/60 Hz

440 V AC 50/60 Hz

500 V AC 50/60 Hz
Magnetic tripping limit
12 x In
[Ics] rated service breaking capacity
75 kA at 75 % of breaking cap. conforming to EN/IEC 60947-2 - 220...240 V AC 50/60 Hz

37.5 kA at 75 % of breaking cap. conforming to EN/IEC 60947-2 - 380...415 V AC 50/60 Hz

30 kA at 75 % of breaking cap. conforming to EN/IEC 60947-2 - 440 V AC 50/60 Hz

11.25 kA at 75 % of breaking cap. conforming to EN/IEC 60947-2 - 500 V AC 50/60 Hz
[Ui] rated insulation voltage
690 V AC 50/60 Hz conforming to EN/IEC 60947-2
[Uimp] rated impulse withstand voltage
8 kV conforming to EN/IEC 60947-2
Contact position indicator
Yes
Control type
Toggle

Manual tripping test
Local signalling
ON/OFF indication

Trip indicator
Mounting mode
Clip-on
Mounting support
35 mm symmetrical DIN rail
Comb busbar and distribution block compatibility
YES
9 mm pitches
9
Height
103 mm
Width
81 mm
Depth
81 mm
Product weight
0.72 kg
Mechanical durability
20000 cycles
Electrical durability
10000 cycles
Provision for padlocking
Padlockable
Locking options description
Integrated padlocking
Connections - terminals
Tunnel type terminals 1.5...50 mm² rigid

Tunnel type terminals 1...35 mm² flexible
Wire stripping length
20 mm
Tightening torque
3.5 N.m
Earth-leakage protection
Separate block
Environment
Standards
EN/IEC 60947-2
IP degree of protection
IP20 conforming to IEC 60529
IK degree of protection
IK05 conforming to EN/IEC 62262
Pollution degree
3 conforming to IEC 60947-2
Overvoltage category
IV
Tropicalisation
2 conforming to IEC 60068-1
Relative humidity
95 % 55 °C
Operating altitude
2000 m
Ambient air temperature for operation
-30...70 °C
Ambient air temperature for storage
-40...70 °C
Contractual warranty
Warranty period
18 months
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   Frequently Asked Questions and Answers


Instruction sheet
  • file image Instructions NG125 (pdf) download image`
CAD
  • file image NG125 3P (zip) download image`
  • file image NG125 3P (stp) download image`
End of life manual
  • file image NG125 TETRA-NG125 TRI _ EoLi (pdf) download image`
Product environmental
  • file image Product Environmental Profile NG125 Circuit Breaker (pdf) download image`
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