SKU:

18879

Miniature circuit breaker (MCB), Acti9 NG125LMA, 3P, 4A, MA curve, 50kA (IEC/EN 60947-2)

$312.06
Availability: Please contact our sales team on 1300 724 622.
Miniature circuit breaker (MCB), Acti9 NG125LMA, 3P, 4A, MA curve, 50kA (IEC/EN 60947-2)
Manufacturer: Schneider Electric
This Acti9 NG125LMA product is a low voltage circuit breaker. It is a 3P circuit breaker with 3 protected poles and 4A In rated current and MA tripping curve. The rated short circuit breaking capacity goes up to 100kA at 220VAC to 240VAC conforming to EN/IEC 60947-2 standard and 100kA at 220VAC to 240VAC conforming to EN/IEC 60947-2 standard. It complies with both industrial standard EN/IEC 60898-1 and residential standard EN/IEC 60947-2. This miniature circuit breaker protects circuits against short circuit and overload current. It is suitable for isolation in the industrial sector according to IEC/EN 60947-2 standard. The fault tripping is indicated by a red mechanical state indicator light on the front face of the circuit breaker. It has an electrical endurance going up to 10000 cycles and a mechanical endurance going up to 20000 cycles. The Ue operational voltage is going from 380VAC to 415VAC. The Ui rated insulation voltage is 690VAC. The Uimp rated impulse withstand voltage is 8kV. The operating frequency is 50Hz or 60Hz. It is DIN rail mountable. Its width is 9 pitches of 9mm. Pollution degree is 3. Overvoltage category is IV. The dimensions are (W) 81mm x (H) 103mm x (D) 81mm. The weight is 0.72kg. According to IEC 60529 standard, the degree of protection is IP20 and IP40 in enclosure. The operating temperature is -30°C to 70°C. The storage temperature is -40°C to 70°C.

Products specifications

Attribute name Attribute value
Main
Device short name NG125LMA
Device application motor
Suitability for isolation yes conforming to IEC 60947-2
Breaking capacity 15 kA Icu at 500 V AC 50/60 Hz conforming to EN/IEC 60947-2, 50 kA Icu at 380...415 V AC 50/60 Hz conforming to EN/IEC 60947-2, 40 kA Icu at 440 V AC 50/60 Hz conforming to EN/IEC 60947-2, 100 kA Icu at 220...240 V AC 50/60 Hz conforming to EN/IEC 60947-2
Range Acti9
Number of protected poles 3
Curve code MA
Range of product NG125
Trip unit technology magnetic
Poles description 3P
Utilisation category category A conforming to IEC 60947-2
Product name Acti9 NG125LMA
Product or component type miniature circuit-breaker
Breaking capacity code L
Network type AC
[In] rated current 4 A at 40 °C
Complementary
Tightening torque 3.5-3.5 N.m
Provision for padlocking padlockable
Connection pitch 27 mm between phases
[Uimp] rated impulse withstand voltage 8 kV conforming to EN/IEC 60947-2
Compatibility code NG125
Mechanical durability 20000 cycles
Electrical durability 10000 cycles
Mounting mode clip-on
Control type manual tripping test, toggle
Wire stripping length 20 mm
Connections - terminals tunnel type terminals1-35 mm² flexible, tunnel type terminals1.5-50 mm² rigid
Comb busbar and distribution block compatibility YES
Earth-leakage protection separate block
Height 103 mm
[Ics] rated service breaking capacity 11.25 kA 75 % conforming to EN/IEC 60947-2 - 500 V AC 50/60 Hz, 30 kA 75 % conforming to EN/IEC 60947-2 - 440 V AC 50/60 Hz, 37.5 kA 75 % conforming to EN/IEC 60947-2 - 380...415 V AC 50/60 Hz, 75 kA 75 % conforming to EN/IEC 60947-2 - 220...240 V AC 50/60 Hz
[Ue] rated operational voltage 440 V AC 50/60 Hz, 220...240 V AC 50/60 Hz, 500 V AC 50/60 Hz, 380...415 V AC 50/60 Hz
Locking options description integrated padlocking
Depth 81 mm
Market segment small buildings, small commercial
Width 81 mm
Local signalling ON/OFF indication, trip indicator
[Ui] rated insulation voltage 690 V AC 50/60 Hz conforming to EN/IEC 60947-2
Net weight 0.72 kg
Magnetic tripping limit 12 x In
9 mm pitches 9
Mounting support 35 mm symmetrical DIN rail
Contact position indicator yes
Network frequency 50/60 Hz
Environment
Relative humidity 95-95 % at 55-55 °C
Ambient air temperature for storage -40-70 °C
Pollution degree 3 conforming to IEC 60947-2
IP degree of protection IP20 conforming to IEC 60529
Tropicalisation 2 conforming to IEC 60068-1
Ambient air temperature for operation -30-70 °C
IK degree of protection IK05 conforming to EN/IEC 62262
Operating altitude 2000 m
Overvoltage category IV
Standards EN/IEC 60947-2
Contractual warranty
Warranty 18 months
Packing Units
Unit Type of Package 1 1
Number of Units in Package 1 1
Package 1 Height 8.6 cm
Package 1 Width 12.4 cm
Package 1 Length 12.9 cm
Package 1 Weight 749.0 g
Unit Type of Package 2 2
Number of Units in Package 2 18
Package 2 Height 30.0 cm
Package 2 Width 30.0 cm
Package 2 Length 40.0 cm
Package 2 Weight 14.326 kg