
Schneider Electric Circuit breaker, ComPacT NSXm 63B, 25KA/415VAC, 4 poles, MicroLogic 4.1 trip unit 50A, lugs/busbars C11B44V050B
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Product Description
Schneider Electric C11B44V050B Circuit breaker ComPacT NSXmB 50kA/230V 25kA/400V-protection with residual current protection-Micrologic 4.1 50A 4p bolt.
Technical Specifications
- Manufacturer part number (MPN)
- C11B44V050B
- EAN / GTIN
- 3606481992659
- HS code
- 8536.90
- Sales unit
- pcs
- Rated current
- 50 A
- Range
- ComPacT
- Product name
- ComPacT NSXm
- Device short name
- NSXm 63B
- Product or component type
- Earth leakage circuit breaker
- Device application
- Distribution
- Poles description
- 4P
- Protected poles description
- 4D
- Neutral position
- Left
- [In] rated current
- 50 A at 40 °C
- [Ue] rated operational voltage
- 440 V AC 50/60 Hz
- Network type
- AC
- Network frequency
- 50/60 Hz
- Suitability for isolation
- Yes conforming to IEC 60947-2
- Utilisation category
- Category A
- [Icu] rated ultimate short-circuit breaking capacity
- 25 kA Icu at 220...240 V AC 50/60 Hz conforming to IEC 60947-2; 16 kA Icu at 380...415 V AC 50/60 Hz conforming to IEC 60947-2; 10 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2
- Performance level
- B 25 kA 415 V AC
- Trip unit name
- MicroLogic 4.1
- Trip unit technology
- Electronic
- Trip unit protection functions
- LSoIR
- Control type
- Toggle
- Circuit breaker mounting mode
- Fixed
- [Ui] rated insulation voltage
- 500 V AC 50/60 Hz
- [Uimp] rated impulse withstand voltage
- 8 kV
- [Ics] rated service short-circuit breaking capacity
- 25 kA at 220...240 V AC 50/60 Hz conforming to IEC 60947-2; 16 kA at 380...415 V AC 50/60 Hz conforming to IEC 60947-2; 10 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2
- Mechanical durability
- 20000 cycles
- Electrical durability
- 20000 cycles at 440 V In/2; 10000 cycles at 440 V In
- Power dissipation per pole
- 1.2 W
- Mounting support
- Backplate
- Mounting position
- Horizontal and vertical; Flat on the back
- Upside connection
- Front
- Downside connection
- Front
- Connection terminals
- compression lug/busbar
- Connection pitch
- 35 mm with spreaders; 27 mm without spreaders
- 9 mm pitches
- 12 module
- Trip unit rating
- 50 A at 40 °C
- Long-time pick-up adjustment type Ir (thermal protection)
- Adjustable 9 settings
- [Ir] long-time protection pick-up adjustment range
- 20...50 A
- Long-time protection delay adjustment type tr
- Fixed
- [tr] long-time protection delay adjustment range
- 200 s at 1.5 x Ir; 8 s at 6 x Ir; 5 s at 7.2 x Ir
- Neutral protection settings
- 1 x Ir (4D)
- 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
- 750 A
- Earth-leakage protection
- Integrated
- Earth-leakage protection class
- Class A; Class AC
- Earth-leakage protection sensitity adjustment type IΔn
- Adjustable
- [IΔn] earth-leakage protection sensitivity adjustment range
- 30 mA; 100 mA; 300 mA; 500 mA; 1 A; 3 A; 5 A
- Earth-leakage sensitivity
- 30 mA for class A; 100 mA for class A; 300 mA for class A; 500 mA for class A; 1 A for class A; 30 mA for class AC; 100 mA for class AC; 300 mA for class AC; 500 mA for class AC; 1 A for class AC; 3 A for class AC; 5 A for class AC
- Earth-leakage protection time delay adjustement type Δt
- Adjustable
- [Δt] Earth-leakage protection time delay adjustment range
- 0 ms; 60 ms; 150 ms; 500 ms; 1000 ms
- Number of slots for electrical auxiliaries
- 1 slot(s) for auxiliary switch OF; 1 slot(s) for alarm switch SD; 1 slot(s) for voltage release MN or MX
- Local signalling
- Flag (green) for presence of auxiliary contacts
- Width (W)
- 108 mm
- Height (H)
- 144 mm
- Depth (D)
- 80 mm
- Product weight
- 1.63 kg
- Colour
- Grey (RAL 7016)
- Standards
- EN/IEC 60947-2
- Overvoltage category
- IV
- Electrical shock protection class
- Class II on front face
- 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
- -40…85 °C
- Relative humidity
- 0…95 %
- Operating altitude
- 2000 m without derating; 5000 m with derating
- Warranty (in months)
- 18
Standards & Compliance
- HS Code
- 8536.90
Cross References
- EAN 3606481992659
- SAP 1200534649
- Code 82688387
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 C11B44V050B?
- C11B44V050B 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 C11B44V050B.
- What is the HS code for C11B44V050B?
- The customs tariff (HS) code for C11B44V050B is 8536.90.
- Who manufactures C11B44V050B?
- C11B44V050B is a Schneider Electric product in the Electrical Components range.
- Is a datasheet available for C11B44V050B?
- Yes — the C11B44V050B datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for C11B44V050B?
- The minimum order quantity is 1.
- Is C11B44V050B available?
- Yes — C11B44V050B 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).
