
Schneider Electric Circuit breaker, ComPacT NSXm 160B, 25KA/415VAC, 4 poles 4D (neutral fully protected), TMD trip unit 125A, EverLink lugs C12B4TM125L
Pricing
Request a quote
We reply within 24 hours
Product Description
Schneider Electric C12B4TM125L Circuit breaker ComPacT NSXm B 50kA/230V 25kA/400V-with thermomagnetic protection-TM125D 4p Everlink 125A.
Technical Specifications
- Manufacturer part number (MPN)
- C12B4TM125L
- EAN / GTIN
- 3606481990242
- HS code
- 8536.90
- Sales unit
- pcs
- Package quantity
- 6 pcs
- Trip unit
- TM125D
- Range
- ComPacT
- Product name
- ComPacT NSXm
- Device short name
- NSXm 160B
- Product or component type
- Circuit breaker
- Device application
- Distribution
- Poles description
- 4P
- Protected poles description
- 4D
- Neutral position
- Left
- [In] rated current
- 125 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
- 50 kA Icu at 220...240 V AC 50/60 Hz conforming to IEC 60947-2; 25 kA Icu at 380...415 V AC 50/60 Hz conforming to IEC 60947-2; 20 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
- TM-D
- Trip unit technology
- Thermal-magnetic
- Trip unit protection functions
- LI
- Control type
- Toggle
- Circuit breaker mounting mode
- Fixed
- [Ui] rated insulation voltage
- 800 V AC 50/60 Hz
- [Uimp] rated impulse withstand voltage
- 8 kV
- [Ics] rated service short-circuit breaking capacity
- 50 kA at 220...240 V AC 50/60 Hz conforming to IEC 60947-2; 25 kA at 380...415 V AC 50/60 Hz conforming to IEC 60947-2; 20 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
- 9.3 W
- Mounting support
- Backplate
- Mounting position
- Horizontal and vertical; Flat on the back
- Upside connection
- Front
- Downside connection
- Front
- Connection terminals
- 1 Everlink lug wire size 2.5…70 mm², flexible copper; 1 Everlink lug wire size 2.5…95 mm², rigid or stranded copper
- Connection pitch
- 35 mm with spreaders; 27 mm without spreaders
- 9 mm pitches
- 12 module
- Trip unit rating
- 125 A at 40 °C
- Long-time pick-up adjustment type Ir (thermal protection)
- Adjustable
- [Ir] long-time protection pick-up adjustment range
- 0.7...1 x In
- Long-time protection delay adjustment type tr
- Fixed
- Neutral protection settings
- 1 x Ir (4D)
- Instantaneous protection pick-up adjustment type Ii
- Fixed
- [Ii] instantaneous protection pick-up adjustment range
- 1250 A
- Earth-leakage protection
- Without
- 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)
- 137 mm
- Depth (D)
- 80 mm
- Product weight
- 1.42 kg
- Colour
- Grey (RAL 7016)
- Standards
- EN/IEC 60947-2
- Overvoltage category
- III
- 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
- -50…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 3606481990242
- SAP 1200534475
- Code 82688623
Product Documentation
More from Schneider Electric

Schneider Electric
Switch Block 3P 80A without GREP
V4

Schneider Electric
Schneider Electric plug in base, ComPact NSX 400/630, front/rear connected, 3 poles LV432516

Schneider Electric
Schneider Electric front connections, 630 A to 1250 A, fixed ComPact NS type N/H/NA, bottom mounting, 3 poles
33601

Schneider Electric
Schneider Electric ABS box IP66 IK07 RAL7035 INT.H275W225D120 EXT.H291W241D128 Transparent cover H20 NSYTBS292412T

Schneider Electric
Schneider Electric Trip unit TM63D, ComPacT NSX100/160/250, 4 poles 4D (neutral fully protected), thermal magnetic protections, 63A rating C104TM063

Schneider Electric
Potensiometergrep FOR (ZB5AD912)

Schneider Electric
Exxact S-washer 2XKEYSTONE red
WDE003377

Schneider Electric
Basefront 100X1600 (NSYSPF16100)
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 C12B4TM125L?
- C12B4TM125L 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 C12B4TM125L.
- What is the HS code for C12B4TM125L?
- The customs tariff (HS) code for C12B4TM125L is 8536.90.
- Who manufactures C12B4TM125L?
- C12B4TM125L is a Schneider Electric product in the Electrical Components range.
- Is a datasheet available for C12B4TM125L?
- Yes — the C12B4TM125L datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for C12B4TM125L?
- The minimum order quantity is 1.
- Is C12B4TM125L available?
- Yes — C12B4TM125L 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).
