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Item #:
85548490
3 Pole Miniature Circuit Breaker,240V/480V AC Circuit Breaker, 50Amp Thermal Magnetic Trip Smart Circuit Breaker AC Disconnect Switch DIN Rail Mount
88% of respondents would recommend this to a friend
Item #:
85548490
USD 22
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Order now and get it around Sunday, September 27
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Protect your circuits with confidence – our AC Circuit Breaker ensures safety and reliability for your power systems.
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Note: Step 1 Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Voltage Compatibility
Operates efficiently at 240V and 480V AC, ensuring versatility for various electrical systems and enhancing safety in high-demand environments.
Thermal Magnetic Trip
Features a thermal magnetic trip mechanism for reliable overload and short-circuit protection, ensuring peace of mind during operation and safeguarding connected equipment.
DIN Rail Mount
Designed for easy installation on standard DIN rails, facilitating seamless integration into existing setups while saving space and providing a clean, organized appearance.
Product Details
| Brand Name | kerwinn |
| Model | 50A |
| Part Number | DZ47N-63-3P |
| Number of Items | 1 |
| Manufacturer | KERWINN |
| Unit Count | 1 Count |
| Included Components | DIN RAIL |
| Current Rating | 240 A |
| Circuit Breaker Type | Standard |
| Mounting Type | DIN Rail Mount |
| Number of Poles | 1 |
| Voltage | 480 volts |
| Brand | kerwinn |
| Number Of Poles | 1 |
| Item Weight | 0.7 lbs (320 grams) |
What's in the box
DIN RAIL
Who Should Buy?
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Electrical Installers
Ideal for professional electricians working on residential or commercial projects requiring reliable circuit protection and performance.
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Industrial Applications
Perfect for industrial settings where high amperage circuit protection is needed for machinery and equipment.
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DIY Projects
Great for DIY enthusiasts looking to upgrade home electrical systems with a reliable and effective circuit breaker.
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Low Power Devices
Not suitable for small appliances or devices requiring lower amperage as this breaker is rated for 63A.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is a 3 Pole Miniature Circuit Breaker?
Answer: A 3 Pole Miniature Circuit Breaker is a protective device used in electrical circuits to automatically disconnect the power supply when a fault is detected. Specifically designed to handle three-phase systems, it ensures that all three phases are interrupted simultaneously in the event of an overload or short circuit. Such circuit breakers are essential for preventing electrical hazards and protecting both equipment and personnel in industrial and commercial environments. -
Question:
What does the 240V/480V rating indicate?
Answer: The 240V/480V rating indicates the voltage levels at which the circuit breaker can operate safely. Typically, this means the device can be used in systems with voltages up to 480 volts AC, making it suitable for a wide range of applications, including industrial machinery and commercial electrical installations. Users can select a breaker that best fits their system voltage, ensuring reliable protection against overcurrent conditions. -
Question:
What is the purpose of the 16Amp thermal magnetic trip?
Answer: The 16Amp thermal magnetic trip provides two mechanisms of protection: thermal and magnetic. The thermal side protects against prolonged overloads, while the magnetic trip reacts instantaneously to short circuits. This dual functionality ensures that the circuit breaker responds appropriately to various fault conditions, protecting not only the electrical circuit from damage but also enhancing safety in the installation. -
Question:
How does a smart circuit breaker differ from traditional ones?
Answer: Smart circuit breakers integrate advanced features that allow for remote monitoring and control, often via mobile apps. Unlike traditional models, they can provide real-time data on energy usage and notify users of potential faults. This technology enhances energy efficiency and safety by enabling proactive management of electrical systems, which is particularly useful in residential and commercial settings where monitoring is crucial. -
Question:
What is the function of an AC disconnect switch?
Answer: An AC disconnect switch is used to ensure that electrical circuits can be safely isolated from power supply for maintenance or emergency situations. By providing a clear point of disconnection, it enhances safety, allowing technicians to work on electrical systems without the risk of accidental energization. This is vital in installations that require regular upkeep or pose potential hazards to personnel. -
Question:
How do I mount the DIN Rail circuit breaker?
Answer: Mounting the DIN Rail circuit breaker is straightforward; simply slide the device onto a standard DIN rail and press down until it locks in place. DIN rails are commonly used in control panels, providing a standardized way to organize circuit breakers and other electrical devices securely. Ensure that the mounting location is dry and free from excessive vibrations to maintain operational stability. -
Question:
What applications is this circuit breaker suitable for?
Answer: This circuit breaker is ideal for a variety of applications, including industrial control panels, motor protection, and commercial electrical systems. It is particularly useful in environments where three-phase power is utilized, helping to manage load distribution and prevent equipment failure. Any situation requiring reliable circuit protection and compliance with safety standards can benefit from this device. -
Question:
Can I use this circuit breaker in residential applications?
Answer: Yes, the 3 Pole Miniature Circuit Breaker can be used in residential applications, especially in larger homes or buildings with three-phase electrical systems. Its ability to handle loads of up to 16 amps makes it suitable for protecting home appliances, HVAC systems, or workshop equipment. Ensuring proper installation by a qualified electrician is recommended for optimal safety and functionality. -
Question:
What does DIN rail mount mean?
Answer: DIN rail mount refers to a mounting system that aligns with the Deutsche Industrie Norm (DIN) standards. This system allows electrical devices, such as circuit breakers, to be easily mounted and unmounted from standardized rails. Utilizing DIN rail mounting promotes organized installations, allowing for quick access during maintenance while ensuring all components are securely housed. -
Question:
Where can I buy the 3 Pole Miniature Circuit Breaker in Turks and Caicos?
Answer: You can conveniently purchase the 3 Pole Miniature Circuit Breaker, 240V/480V AC, 16Amp Thermal Magnetic Trip Smart Circuit Breaker from Ubuy. Ubuy provides a user-friendly shopping experience, featuring a wide range of electrical components, including this specialized breaker. Their platform ensures easy navigation and access to product details, making it the ideal choice for your electrical needs.
kerwinn Miniature Circuit Breakers Editorial Review
3 Pole Miniature Circuit Breaker, 240V/480V AC Circuit Breaker, 50Amp Thermal Magnetic Trip Smart Circuit Breaker AC Disconnect Switch DIN Rail Mount (50A) is a highly efficient component featuring a standard circuit breaker type with a current rating of 240A and designed for easy DIN rail mounting. Users have praised its packaging and mention that it comes with the necessary DIN rail, setting it apart from competitors. Although some customers are still awaiting installation due to external components, the overall feedback speaks to the product's reliability and functionality.
Customer Reviews & Ratings
15 customers ratings
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5 Star
92%
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4 Star
8%
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3 Star
0%
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2 Star
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1 Star
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Pros
- Easy DIN rail mounting process
- Comes with necessary DIN rail included
- High current rating of 240A
- Reliable thermal magnetic trip mechanism
- Compact and lightweight design
Cons
- Installation requires additional electrical components
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
AC
Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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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.
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USD 22
Order now and get it around Sunday, September 27
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Rated Voltage: 240V/480V AC, Rated Current: 63A for optimal performance.
- Three poles design for comprehensive protection against overloads and short circuits.
- Flame retardant thermosetting shell for enhanced safety.
- Oversized interface and visualization window for easy monitoring.
- Ideal for residential, office, and power distribution applications.
- Easily mounts on DIN rail for simple installation.
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