Schneider Electric 18662 Miniature circuit-breaker, ACTI9 NG125N, 4P, 125 A, C curve, 25 kA (IEC 60947-2)
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Overview
Schneider Electric 18662 Miniature circuit-breaker, ACTI9 NG125N, 4P, 125 A, C curve, 25 kA (IEC 60947-2) is listed under Electrical Components / Miniature Circuit Breakers. Sales unit: pcs; Package quantity: 12 pcs; Range: Acti9; Product name: Acti9 NG125; Product or component type: Miniature circuit-breaker; Device short name: NG125N.
Technical Specifications
- Manufacturer part number (MPN)
- 18662
- EAN / GTIN
- 3303430186625
- Sales unit
- pcs
- Package quantity
- 12 pcs
- Range
- Acti9
- Product name
- Acti9 NG125
- Product or component type
- Miniature circuit-breaker
- Device short name
- NG125N
- Device application
- Distribution
- Poles description
- 4P
- Number of protected poles
- 4
- [In] rated current
- 125 A at 40 °C
- Network type
- DC; AC
- Trip unit technology
- Thermal-magnetic
- Curve code
- C
- Breaking capacity
- 20 kA Icu at <= 500 V DC conforming to EN/IEC 60947-2; 10 kA Icu at 500 V AC 50/60 Hz conforming to EN/IEC 60947-2; 20 kA Icu at 440 V AC 50/60 Hz conforming to EN/IEC 60947-2; 25 kA Icu at 380...415 V AC 50/60 Hz conforming to EN/IEC 60947-2; 50 kA Icu at 220...240 V AC 50/60 Hz conforming to EN/IEC 60947-2
- Utilisation category
- Category A conforming to IEC 60947-2
- Suitability for isolation
- Yes conforming to IEC 60947-2
- Standards
- EN/IEC 60947-2
- Network frequency
- 50/60 Hz
- [Ue] rated operational voltage
- 380...415 V AC 50/60 Hz; 500 V AC 50/60 Hz; <= 500 V DC; 220...240 V AC 50/60 Hz; 440 V AC 50/60 Hz
- Magnetic tripping limit
- 8 x In
- [Ics] rated service breaking capacity
- 37.5 kA 75 % conforming to EN/IEC 60947-2 - 220...240 V AC 50/60 Hz; 18.75 kA 75 % conforming to EN/IEC 60947-2 - 380...415 V AC 50/60 Hz; 15 kA 75 % conforming to EN/IEC 60947-2 - 440 V AC 50/60 Hz; 7.5 kA 75 % conforming to EN/IEC 60947-2 - 500 V AC 50/60 Hz; 20 kA 100 % conforming to EN/IEC 60947-2 - <= 500 V DC
- [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
- Trip indicator; ON/OFF indication
- mounting mode
- Clip-on
- Mounting position
- Vertical
- Mounting support
- 35 mm symmetrical DIN rail
- Comb busbar and distribution block compatibility
- NO
- 9 mm pitches
- 12
- Height
- 103 mm
- Depth
- 81 mm
- Width
- 108 mm
- Product weight
- 0.96 kg
- Mechanical durability
- 20000 cycles
- Electrical durability
- 5000 cycles
- Provision for padlocking
- Padlockable
- Locking options description
- Integrated padlocking
- Connections - terminals
- Tunnel type terminals16…70 mm² rigid; Tunnel type terminals10…50 mm² flexible
- Wire stripping length
- 20 mm
- Tightening torque
- 6 N.m
- Earth-leakage protection
- Separate block
- 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 % at 55 °C
- Ambient air temperature for operation
- -30…70 °C
- Ambient air temperature for storage
- -40…70 °C
- Unit Type of Package 1
- PCE
- Number of Units in Package 1
- 1
- Package 1 Height
- 8.6 cm
- Package 1 Width
- 12.4 cm
- Package 1 Length
- 15.5 cm
- Package 1 Weight
- 1.053 kg
- Unit Type of Package 2
- S03
- Number of Units in Package 2
- 12
- Package 2 Height
- 30 cm
- Package 2 Width
- 30 cm
- Package 2 Length
- 40 cm
- Package 2 Weight
- 13.108 kg
- Country of origin
- FR
- Warranty (in months)
- 18
- Power loss
- 8 W
- Built-in depth
- 47 mm
- Release characteristic
- C
- Number of poles (total)
- 4
- Rated current
- 125 A
- Rated voltage
- 400 V
- Rated insulation voltage Ui
- 690 V
- Rated impulse withstand voltage Uimp
- 8 kV
- Frequency
- 50–60 Hz
- Concurrently switching neutral conductor
- Yes
- Additional equipment possible
- Yes
- Width in number of modular spacings
- 6
- Degree of protection (IP)
- IP20
- Ambient temperature during operating
- -30–70 °C
- Connectable conductor cross section multi-wired
- 10–50 mm²
- Connectable conductor cross section solid-core
- 16–70 mm²
- Explosion-proof
- No
- Flush-mounted installation
- No
Standards & Compliance
- HS Code
- 8536.20
Cross References
- EAN 3303430186625
- SAP 1000039172
- Code 8520001
Product Documentation
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Technical guides
Catalogue entry last verified: 2026-09-29. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 18662?
- 18662 can be ordered from cballast.com as a Schneider Electric catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Schneider Electric product?
- The manufacturer part number is 18662.
- What is the HS code for 18662?
- The customs tariff (HS) code for 18662 is 8536.20.
- Who manufactures 18662?
- 18662 is a Schneider Electric product in the Electrical Components range.
- Is a datasheet available for 18662?
- Yes — the 18662 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 18662?
- The minimum order quantity is 1.
- Is 18662 available?
- Yes — 18662 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).