MGZGEAEKCK
0 ratings
Molded Case Circuit Breaker M3N400TMF 3P Air Switch 320A 400A(400A)
genuine image
Molded Case Circuit Breaker M3N400TMF 3P Air Switch 320A 400A(400A)
Molded Case Circuit Breaker M3N400TMF 3P Air Switch 320A 400A(400A)
Item #: 142688377

Molded Case Circuit Breaker M3N400TMF 3P Air Switch 320A 400A(400A)

Item #: 142688377

TZS 2502648

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Sunday, August 23
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
mobile money payment
sepa payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

High Capacity
Rated for 320A to 400A, this molded case circuit breaker effectively handles substantial electrical loads, ensuring safety and reliability for commercial and industrial applications.
Three-Pole Design
With a three-pole configuration, it provides optimal protection for three-phase electrical systems, enhancing balance and reducing the risk of voltage imbalances in your electrical installations.
Robust Reliability
Engineered for durability, this air switch offers long-lasting performance under demanding conditions, minimizing downtime and maintenance costs for businesses relying on uninterrupted power supply.

Product Details

Shop Molded Case Circuit Breaker M3N400TMF 3P Air Switch 320A 400A(400A) online at a best price in Tanzania. B0F59Y1B1B
Item Weight12 lbs (5.44 kg)

Who Should Buy?

Suitable For
  • Industrial Applications

    Ideal for factories and large-scale operations requiring reliable circuit protection and efficient power distribution.

  • Commercial Buildings

    Suitable for managing large electrical loads in office buildings, retail spaces, and warehouses with high energy demands.

  • Electrical Contractors

    Perfect for electricians needing reliable circuit breakers for installation in complex electrical systems and upgrades.

Not Suitable For
  • Residential Use

    Not ideal for small homes or apartments where lower capacity circuit breakers are appropriate for electrical needs.

  • Low Power Systems

    Unsuitable for applications with minimal power requirements, as it may be excessive and inefficient.

  • Budget Constraints

    Cost may be prohibitive for users with limited budgets looking for affordable electrical solutions.

Product Description

Molded Case Circuit Breaker M3N400TMF 3P Air Switch 320A 400A(400A)

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is a Molded Case Circuit Breaker (MCCB) and how does it work?

    Answer: A Molded Case Circuit Breaker (MCCB) such as the M3N400TMF is an electrical protection device that guards against overloads and short circuits. It operates by using electromagnetic and thermal mechanisms to detect fault conditions and interrupt the electrical supply. This device is essential in industrial and commercial applications, ensuring the safety and reliability of electrical circuits, minimizing the risk of fire and equipment damage.
  • Question: What are the key features of the M3N400TMF 3P Air Switch?

    Answer: The M3N400TMF is designed with several key features including a three-pole configuration, a maximum current rating of 400A, and robust construction for durability. It typically includes an adjustable trip setting and auxiliary contacts for remote signaling. These features ensure that the circuit breaker can handle high electrical loads while providing reliable performance in critical applications like manufacturing, large commercial buildings, and data centers.
  • Question: What applications are suitable for the M3N400TMF circuit breaker?

    Answer: The M3N400TMF 3P Air Switch is suitable for various industrial applications including power distribution systems, machinery protection, and in areas requiring high current handling capabilities. It is ideal for use in environments like factories, commercial electrical panels, and infrastructure projects, offering protection against electrical faults and ensuring operational continuity.
  • Question: Can the M3N400TMF be used for both AC and DC applications?

    Answer: Yes, the M3N400TMF MCCB is predominantly used for AC applications, however, it can also be applied in DC systems within certain parameters. Users should consult the manufacturer’s specifications to confirm the suitability for their unique application. Deploying it in proper contexts enhances system safety and reliability, especially in mixed operational environments.
  • Question: How do you select the right MCCB for your application?

    Answer: Selecting the right MCCB such as the M3N400TMF involves considering several factors, including the load current, type of load (resistive vs. inductive), and the installation environment. You should also consider trip characteristics, voltage rating, and whether additional features like remote signaling are necessary. A well-chosen MCCB improves safety and efficiency in electrical systems.
  • Question: Is the M3N400TMF compatible with other electrical components?

    Answer: Yes, the M3N400TMF is designed to be compatible with a wide array of electrical components including transformers, switchgear, and relay systems. Proper compatibility ensures the effective integration of electrical systems, enhancing overall performance and protection. This compatibility makes it an ideal choice for comprehensive electrical setups in various industries.
  • Question: What maintenance does the M3N400TMF need?

    Answer: Regular maintenance of the M3N400TMF includes periodic inspections, cleaning of contacts, and testing the tripping mechanism to ensure reliable operation. Users should adhere to the manufacturer's guidelines regarding maintenance schedules. Consistent maintenance extends the lifespan of the circuit breaker and maintains system safety, especially in environments with high electrical demands.
  • Question: What does the '320A' and '400A' signify in the product title?

    Answer: The '320A' and '400A' references in the product title indicate the current ratings of the M3N400TMF circuit breaker. Specifically, it denotes the capacity to handle continuous currents up to 320A, with a maximum breaking capacity of 400A. Understanding these ratings is crucial for ensuring that the MCCB fits the electrical system's current demands, optimizing safety and performance.
  • Question: How does the tripping mechanism of the M3N400TMF work?

    Answer: The tripping mechanism of the M3N400TMF operates using both thermal and electromagnetic principles. The thermal element responds to overload conditions, while the electromagnetic element reacts quickly to short circuits. This dual mechanism allows for precise and rapid disconnection in fault conditions, ensuring maximum protection for electrical installations and equipment.
  • Question: Where can I buy the Molded Case Circuit Breaker M3N400TMF 3P Air Switch 320A 400A in Tanzania?

    Answer: You can purchase the Molded Case Circuit Breaker M3N400TMF 3P Air Switch 320A 400A at Ubuy in Tanzania. They offer a diversified selection of electrical products and easy purchasing options, ensuring you can acquire high-quality circuit breakers conveniently and reliably.

MGZGEAEKCK Circuit Breaker Editorial Review

No editorial reviews found

Customer Reviews & Ratings

5.0
1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

trustpilot logo
4.3/5 9,000 + reviews
Read reviews
MT
Mohd
Verified buyer

“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer

“Accurate delivery timing given”

16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer

“Not madly expensive like I thought, and much quicker than promised.”

15 June 2026 · via Trustpilot
LM
Leila
Verified buyer

“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”

6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer

“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

TZS 2502648

Order now and get it around Sunday, August 23

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.