
Schneider Electric Circuit breaker, ComPacT NSX400K, 36KA/800VAC, 10KA/1000VAC, 4 poles, MicroLogic 2.3 trip unit, 250A C40K42D250
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Product Description
Schneider Electric C40K42D250 Circuit breaker ComPacT NSX400K-1000VAC-electronic protection-Micrologic 2.3 250A 4P-10kA/1000VAC.
Technical Specifications
- Manufacturer part number (MPN)
- C40K42D250
- EAN / GTIN
- 3606481004857
- HS code
- 8536.90
- Sales unit
- pcs
- Voltage
- 1000 V AC
- Rated current
- 250 A
- Number of poles
- 4P
- Range
- ComPacT
- Range of product
- ComPact NSX400...630
- Device short name
- ComPacT NSX400K
- Product or component type
- Circuit breaker
- Device application
- Special application
- Protected poles description
- 3t; 3t + N/2; 4t
- Neutral position
- Left
- [In] rated current
- 250 A at 40 °C
- [Ue] rated operational voltage
- 800...1000 V AC 50/60 Hz
- Network type
- AC
- Network frequency
- 50/60 Hz
- Suitability for isolation
- Yes conforming to EN/IEC 60947-2
- Utilisation category
- Category A
- [Icu] rated ultimate short-circuit breaking capacity
- 36 kA Icu at 800 V AC 50/60 Hz conforming to IEC 60947-2; 10 kA Icu at 1000 V AC 50/60 Hz conforming to IEC 60947-2
- Performance level
- K 10 kA 1000 V AC
- Trip unit name
- MicroLogic 2.3
- Trip unit technology
- Electronic
- Trip unit protection functions
- LSoI
- Control type
- Toggle
- Circuit breaker mounting mode
- Fixed
- [Ui] rated insulation voltage
- 1000 V AC 50/60 Hz
- [Uimp] rated impulse withstand voltage
- 8 kV
- [Ics] rated service short-circuit breaking capacity
- 10 kA at 800 V AC 50/60 Hz conforming to IEC 60947-2; 10 kA at 1000 V AC 50/60 Hz conforming to IEC 60947-2
- Mechanical durability
- 15000 cycles
- Electrical durability
- 1000 cycles at 1000 V In
- Mounting support
- Backplate
- Upside connection
- Front
- Downside connection
- Front
- Connection pitch
- 45 mm
- Protection type
- L : for overload protection (long time); So : for short time short-circuit protection with fixed delay; I : for instantaneous short-circuit protection
- Trip unit rating
- 250 A at 40 °C
- Long-time pick-up adjustment type Ir (thermal protection)
- Adjustable 9 settings
- [Ir] long-time protection pick-up adjustment range
- 70...250 A
- Long-time protection delay adjustment type tr
- Fixed
- [tr] long-time protection delay adjustment range
- 11 s at 7.2 x Ir; 16 s at 6 x Ir; 400 s at 1.5 x Ir
- Thermal memory
- 20 minutes before and after tripping
- Short-time protection pick-up adjustment type Isd
- Adjustable 9 settings
- [Isd] Short-time protection pick-up adjustment range
- 1.5...10 x Ir
- Short-time protection delay adjustment type tsd
- Fixed
- Instantaneous protection pick-up adjustment type Ii
- Fixed
- [Ii] instantaneous protection pick-up adjustment range
- 3000 A
- Earth-leakage protection
- Without
- Neutral protection settings
- 0.5 x Ir (3t + N/2); 1 x Ir (4t); No protection (3t)
- Zone selective interlocking ZSI
- Without
- Number of slots for electrical auxiliaries
- 6 slot(s)
- Local signalling
- Flashing LED (green) for ready to operate; LED 105 % Ir (red) for overload; LED 90 % Ir (orange) for overload
- Width (W)
- 185 mm
- Height (H)
- 255 mm
- Depth (D)
- 110 mm
- Product weight
- 7.9 kg
- Standards
- EN/IEC 60947
- Product certifications
- CE; CCC
- Electrical shock protection class
- Class II
- Pollution degree
- 3 conforming to IEC 60664-1
- IP degree of protection
- IP40 conforming to IEC 60529
- IK degree of protection
- IK07 conforming to IEC 62262
- Ambient air temperature for operation
- -25…70 °C
- Ambient air temperature for storage
- -50…85 °C
- Relative humidity
- 0…95 %
- Operating altitude
- 0...2000 m without derating; 2000 m...5000 m with derating
- Warranty (in months)
- 18
Standards & Compliance
- HS Code
- 8536.90
Cross References
- EAN 3606481004857
- SAP 1200570508
- Code 82921675
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 C40K42D250?
- C40K42D250 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 C40K42D250.
- What is the HS code for C40K42D250?
- The customs tariff (HS) code for C40K42D250 is 8536.90.
- Who manufactures C40K42D250?
- C40K42D250 is a Schneider Electric product in the Electrical Components range.
- Is a datasheet available for C40K42D250?
- Yes — the C40K42D250 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for C40K42D250?
- The minimum order quantity is 1.
- Is C40K42D250 available?
- Yes — C40K42D250 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).
