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C12B4TM125BZ Circuit Breaker NSX160m 25 kA AC 4P4D 125 A TMD

LEHIY item code: LH-0408

C12B4TM125BZ

Quick buying check

This page helps you check C12B4TM125BZ Circuit Breaker NSX160m 25 kA AC 4P4D 125 A TMD before you ask for a quote.

Confirm the brand, model number, part number, and quantity. Share a clear nameplate photo when the old item has close variants.

LEHIY can check stock, lead time, packing, shipping documents, and safe replacement options for maintenance orders.

Product SeriesComPacT new generation
product nameComPacT NSXm new generation
product short nameNSX160m 125B
product typeBreaker
ApplicationsDistribution Protection
Rated current [In]125A
Electrode description4P 4D
neutral positionLeft side
control typeHandle
Direct Turning Handle
Extended Rotating Handle
installation typeScrew fixing (bottom plate mounting)
snap locking (DIN rail mounting)
Grid typeAC
grid frequency50/60Hz
Breaking capacityB 25 kA 380...415 V AC
[Icu] rated ultimate breaking capacityIcu 50 kA at 220...240 V AC 50/60 Hz
Icu 25 kA at 380...415 V AC 50/60 Hz
Icu 20 kA at 440 V AC 50/60 Hz
Rated working voltage [Ue]690 V AC 50/60 Hz conforming to IEC 60947-2
Use breaking capacity [Ics]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
Rated impulse withstand voltage [Uimp]8 kV according to IEC 60947-2
Rated insulation voltage [Ui]800 V conforming to IEC 60947-2
Trip unit typeThermomagnetic
Trip unit nameTM-D
Trip unit protection functionLI
Release rating125 A at 40 °C
protection typeOverload protection (thermal protection)
Short circuit instantaneous protection
Long time delay current setting typeAdjustable
Long delay current setting value [Ir]0.7...1 x In
Long delay time setting typeFixed
Instantaneous pick-up range1250A
Overvoltage categoryII
isolation functionBe applicable
use categoryAC
Pole spacing27 mm without extenders
35 mm with extenders
Wiring capacityFront panel nut 70…120 mm², stranded copper or aluminum for EverLink wiring
Front panel nut 50…95 mm², flexible copper with cable ferrule
thread typeM6
thickness8 mm
Tightening torque5 Nm for 2.5…10 mm²
9 Nm for 16…120 mm²
local signal indicationOn/off indicator
Number of slots1 slot for auxiliary contact OF (fixed)
1 slot for alarm contact SD (fixed)
1 slot for release coil MN or MX (fixed)
Power wire stripping length25 mm
Electrical life20000 cycles at 440 V In/2
10000 cycles at 440 V In

Plain language sourcing guide for C12B4TM125BZ Circuit Breaker NSX160m 25 kA AC 4P4D 125 A TMD

Start with the full model name. Check the brand name. Check the part number. Check the code on the old unit. These small checks help you avoid a wrong order.

Take one clear photo of the front label. Take one photo of the side label. If the part has a cable, plug, port, seal, coil, or screen, take a photo of that area too.

Tell us the quantity you need. Tell us your country. Tell us the date when the plant needs the part. We can then check stock, lead time, safe packing, and the best shipping plan.

If the exact model is no longer made, do not guess. Send the old model and the use case. LEHIY can compare close options and explain which choice is safer for repair work.

Use simple order notes. Write the model in one line. Write the quantity in one line. Write the delivery country in one line. This helps our team reply faster.

Check the old part before removal. Look at the label. Look at the connector. Look at the mounting size. Look at the voltage or pressure rating if it is shown.

Do not rely on a short nickname for a part. Many industrial items have close versions. A small suffix can change the plug, output, range, or software setting.

Ask for a stock check if the plant is stopped. Ask for a lead time if the order is planned. Ask for packing photos if the part is fragile or heavy.

For a replacement order, tell us what failed. Tell us where the part is used. Tell us if an equal model is acceptable. This makes the first answer more useful.

For repeat orders, send the last invoice, old label, or old packing photo. The same reference can help us match the correct product again.

For urgent service, keep the message simple. One model, one quantity, one photo, and one delivery target are enough for a fast first check.

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Brand Name:SchneiderCertification:ISO9001, CE
Place of Origin:ChinaCondition:New
Warranty:1 yearCustomized sourcing:available

What are your strengths?

Ans. LEHIY specializes in industrial automation and control components, offering fast sourcing, stable quality, and competitive prices for global customers.

What is your estimated delivery time?

Ans. Most items ship within 3-7 days. Customized or rare models may take 10-30 working days.

What are your primary product offerings?

Ans. Our main products include PLCs, sensors, valves, solenoid valves, actuators, power modules, transmitters, and complete industrial automation solutions.

How can I get in touch with you?

Ans. You can reach us anytime via Email, WhatsApp, LinkedIn, or our contact page. Our sales engineers respond quickly and provide technical support when needed.

What are your payment terms?

Ans. Standard terms are 50% TT in advance and 50% balance before delivery. We also support Alibaba Trade Assurance and L/C for qualified orders.

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Replacement support

C12B4TM125BZ Circuit Breaker NSX160m 25 kA AC 4P4D 125 A TMD

Send the brand, model, part number, quantity, nameplate photos, and application requirements. LEHIY will check availability, suitable alternatives, packing details, and delivery options before quoting.

For discontinued, temporarily unavailable, or configuration-sensitive items, our team can compare the requested model with close variants or compatible replacements for maintenance and spare parts planning.

Use this page as a practical sourcing note for engineers, buyers, and maintenance teams comparing automation components. Check the model name, brand, LEHIY code, application, and replacement requirements before sending an inquiry.

Short, clear information helps our team confirm availability faster and reduce back-and-forth communication during urgent maintenance projects.

  • Confirm the complete model number and any suffix printed on the nameplate.
  • Share quantity, destination country, preferred shipping method, and target delivery date.
  • Include photos, drawings, old purchase records, or datasheets when compatible alternatives are acceptable.
  • Ask for stock checking, replacement comparison, packing details, and export documentation before ordering.

Useful details for a faster quote

  • Complete model and part number
  • Required quantity and target delivery date
  • Nameplate photos, drawings, or old purchase records
  • Voltage, signal range, dimensions, or accessory needs
Send details

Model matching

We review brand, model, part number, nameplate photos, installation environment, and replacement requirements.

Quality and delivery

Each order can be checked for authenticity, condition, packing, warranty, shipping method, and delivery schedule.

Stock alternatives

For urgent maintenance projects, we can help check stock, compatible alternatives, and fast international shipment.

C12B4TM125BZ Circuit Breaker NSX160m 25 kA AC 4P4D 125 A TMD verification notes

Please send the full model number, quantity, target delivery date, and nameplate photos. These details help us check the requested product or a close replacement.

LEHIY reviews product name, part number, series, label information, and application requirements before shipment.

If the original model is discontinued or supplied with different accessories, we can explain practical differences before quoting.

For repeat purchasing, we can help organize related models, replacement parts, shipment schedules, and clear communication for your team.

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