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SG65-63 1-4P Miniature Circuit Breaker MCB with Overload Protection | CE/CB Certified SG65-63 1-4P Miniature Circuit Breaker MCB with Overload Protection | CE/CB Certified
SG65-63 1-4P Miniature Circuit Breaker MCB with Overload Protection | CE/CB Certified SG65-63 1-4P Miniature Circuit Breaker MCB with Overload Protection | CE/CB Certified
SG65-63 1-4P Miniature Circuit Breaker MCB with Overload Protection | CE/CB Certified SG65-63 1-4P Miniature Circuit Breaker MCB with Overload Protection | CE/CB Certified
SG65-63 1-4P Miniature Circuit Breaker MCB with Overload Protection | CE/CB Certified SG65-63 1-4P Miniature Circuit Breaker MCB with Overload Protection | CE/CB Certified
SG65-63 1-4P Miniature Circuit Breaker MCB with Overload Protection | CE/CB Certified SG65-63 1-4P Miniature Circuit Breaker MCB with Overload Protection | CE/CB Certified
SG65-63 1-4P Miniature Circuit Breaker MCB with Overload Protection | CE/CB Certified SG65-63 1-4P Miniature Circuit Breaker MCB with Overload Protection | CE/CB Certified

SG65-63 1-4P Miniature Circuit Breaker MCB with Overload Protection | CE/CB Certified

US$ 0.55 ~ 0.53
Min.Order: 100
Product origin: Wenzhou, Zhejiang, China
Category: Electrical Equipment & Supplies
Product Name: Electrical Equipment & Supplies
Availability:In Stock
Product Review : 6 Reviews
Infringement complaint:
* Please contact the supplier via whatsapp first before placing an order
  • Model Number : SG65-63 Series
  • Rated Voltage : 230/400V AC
  • Frequency : 50/60Hz
  • Current Range : 6A,10A,16A,20A,25A,32A,40A,50A,63A
  • Pole Options : 1P,2P,3P,4P
  • Breaking Capacity : 10kA
  • Mechanical Life : 10,000 operations
  • Housing Material : Flame-retardant PA66 (UL94 V-0)
  • Protection Degree : IP20
  • Trip Characteristics : B,C,D curves available
  • Terminal Capacity : Up to 25mm² conductors
  • Standards Compliance : IEC60898, GB10963.1, CE, CB, CCC
  • Mounting : DIN rail (35mm)
  • Arc Extinguishing : Air break technology
  • Contact Material : Silver alloy contacts
  • Dimensions : 18mm width per pole
  • Weight : Approx. 100g per pole

Had a facility manager last week run a 48-unit residential panel retrofit with these, swapping out older C-curve breakers that kept nuisance-tripping on the LED lighting loads—went with B-curve across the 10A poles and the nuisance trips dropped to zero.

Rated at 230/400V AC at 50/60Hz, the SG65-63 line covers 6A through 63A in single-pole, two, three, or four-pole configurations, and the 10kA breaking capacity handles most commercail distribution panels we see (usually 6-10kA is the sweet spot for these). Silver alloy contacts, air break arc extinction, and that PA66 housing (UL94 V-0) mean it's good for 10,000 mechanical operations or so. DIN rail mount, 18mm per pole, terminals take up to 25mm².

We see most buyers go with the C-curve for general motor loads or transformers, but it's critical to note the operating tempearture range is -25°C to +55°C—if you're running these in an unventilated enclosure near a furnace or boiler, you'll want to derate trip current. Also, IP20 means they're fine for indoor distribution boards but absolutely not suited for washdown areas or outdoor enclosures without addtional IP-rated housing. What it does is handle overload and short-circuit protection per IEC60898 and GB10963.1, so it's CE, CB, and CCC certified.

Lead time is typically 2-3 weeks for the 1P and 2P variants, but the 3P and 4P might stretch to 30 days or so depending on the current rating—confirm stock before committing to a large order.

Frequently Asked Questions

What is the minimum order quantity for the SG65-63 MCB series?

We typically require a minimum order of 100 pieces per amperage and pole configuration, but we can discuss smaller trial orders if you're just testing compatibility. Let us know your needs.

What certifications do you provide with the SG65-63?

We include CE, CB, and CCC certificates with every shipment, plus test reports showing compliance with IEC60898 and GB10963.1. Just request them with your order.

Can I get the SG65-63 with a C curve trip characteristic?

Yes, the SG65-63 is available with B, C, or D curves. C curve is our most common option for general commercial and industrial loads—just specify when ordering.

What's the lead time for a batch of 500 units with mixed amperages?

For mixed amperages and poles in the SG65-63 series, lead time is usually 15-20 working days from order confirmation, depending on current stock levels. We'll confirm exact timing after you place the order.

How should I store the SG65-63 MCBs before installation?

Keep them in their original packaging in a dry, dust-free area within -25°C to +55°C. They're IP20 rated, so avoid damp environments until mounted in a suitable enclosure.

W***Q 2026-01-26

Hands down, the shipping speed was highly impressive. My order arrived ahead of the estimated schedule, which was a huge help for my project timeline. The packaging was handled with great care, ensuring the product was perfectly secure upon arrival. Regarding the product itself, the build quality feels heavy-duty and highly reliable. The finish is neat, and all the specifications appear to match the listing perfectly. The overall service experience was hassle-free and professional from start to finish. Highly satisfactory transaction overall.

R***M 2026-01-10

Punctual delivery was the first positive note. The shipping process was transparent, with regular updates provided, which made tracking the order straightforward. Upon arrival, the packaging was secure and professional, ensuring the product was well-protected during transit. There were no delays, and the item arrived within the estimated timeframe, which is always appreciated. Regarding the product itself, the build quality feels robust and reliable. The materials used seem durable, and the overall finish is neat, meeting expectations for a certified component. It appears to be manufactured to a good standard, aligning with the described certifications. Customer service was responsive and helpful during the ordering process. Any preliminary inquiries were addressed promptly and courteously, making the experience smooth from start to finish. The overall experience was efficient and satisfactory, focusing on the key aspects of logistics, perceived quality, and support.

H***M 2025-12-18

Great experience overall with this order. The shipping was incredibly fast and efficient, arriving well ahead of the estimated delivery window. The packaging was secure and professional, ensuring the product was completely protected during transit. Regarding the product itself, the build quality feels solid and robust, exactly as described. The finish is clean and the components appear to be of high standard. The seller provided excellent customer service, responding promptly to a pre-shipment inquiry with clear and helpful information. General communication was proactive and courteous throughout the entire process. Getting a certified product like this delivered so swiftly and with such care is highly commendable. Genuinely satisfied with the transaction from start to finish. Good job on maintaining high standards in logistics, product integrity, and support. Glad to have chosen this seller for this essential electrical component. Going forward, I would not hesitate to order again based on this positive experience. Genuinely a smooth and reliable purchasing process.

X***U 2025-11-26

Meticulous attention to detail in the delivery process made the logistics experience outstanding. The package arrived ahead of schedule, securely wrapped to prevent any damage. Quality-wise, the product feels robust and well-constructed, meeting all my expectations. Customer service was responsive and helpful, promptly addressing my inquiries with clear communication. Overall, a very satisfying purchase from start to finish.

J***M 2025-10-30

Magnificent shipping speed and secure packaging ensured my order arrived promptly and in pristine condition. The delivery team was exceptionally professional and handled everything with care, which I truly appreciate. Regarding the product itself, the build quality appears robust and reliable, meeting all my expectations for durability. Customer support was highly responsive and helpful throughout the entire process, answering all my queries efficiently. Overall, a very satisfying experience that I would gladly recommend to others.

Y***A 2025-10-27

Shipping was incredibly fast and efficient; the package arrived securely wrapped without any delays. Superb quality—the MCB feels robust and well-constructed, with no visible defects. Service from the seller was outstanding; they responded promptly to my inquiries and provided helpful assistance. Smooth overall experience from order to delivery, making it a reliable purchase.

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