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Wholesale Customized RCBO Earth Leakage Circuit Breaker with Overvoltage Protection B/C/D Curve Wholesale Customized RCBO Earth Leakage Circuit Breaker with Overvoltage Protection B/C/D Curve
Wholesale Customized RCBO Earth Leakage Circuit Breaker with Overvoltage Protection B/C/D Curve Wholesale Customized RCBO Earth Leakage Circuit Breaker with Overvoltage Protection B/C/D Curve
Wholesale Customized RCBO Earth Leakage Circuit Breaker with Overvoltage Protection B/C/D Curve Wholesale Customized RCBO Earth Leakage Circuit Breaker with Overvoltage Protection B/C/D Curve
Wholesale Customized RCBO Earth Leakage Circuit Breaker with Overvoltage Protection B/C/D Curve Wholesale Customized RCBO Earth Leakage Circuit Breaker with Overvoltage Protection B/C/D Curve
Wholesale Customized RCBO Earth Leakage Circuit Breaker with Overvoltage Protection B/C/D Curve Wholesale Customized RCBO Earth Leakage Circuit Breaker with Overvoltage Protection B/C/D Curve
Wholesale Customized RCBO Earth Leakage Circuit Breaker with Overvoltage Protection B/C/D Curve Wholesale Customized RCBO Earth Leakage Circuit Breaker with Overvoltage Protection B/C/D Curve

Wholesale Customized RCBO Earth Leakage Circuit Breaker with Overvoltage Protection B/C/D Curve

US$ 4.30 ~ 10.20
Min.Order: 1
Product origin: Shanghai, China
Category: Electrical Equipment & Supplies
Product Name: Electrical Equipment & Supplies
Availability:In Stock
Product Review : 73 Reviews
Infringement complaint:
* Please contact the supplier via whatsapp first before placing an order
  • Model Number : ESRO
  • Type : AC RCBO
  • Poles : 2P/4P
  • Rated Current : 6-63A
  • Rated Voltage : 230V/440V AC
  • Breaking Capacity : 6kA
  • Tripping Curve : B/C/D
  • Sensitivity : 30mA/100mA/300mA
  • Mounting Type : DIN Rail (35mm)
  • Protection Degree : IP20
  • Operation Type : Electric
  • Arc-extinguishing : Air
  • Certifications : CE, CB, ISO9001
  • Indication : Red/Green ON/OFF
  • Terminal Protection : Finger-safe
  • Material : Fire-resistant Plastic

The AC Residual Current Circuit Breaker with Overcurrent Protection (RCBO) is an essential safety device designed to protect against electrical hazards and prevent equipment damage. This advanced circuit protection solution combines residual current detection with overcurrent protection in a single compact unit.

RCBO Circuit Breaker Front View

Our RCBO features a clear red/green indicator for immediate visual confirmation of operational status, along with finger-protected terminals that prevent accidental contact. The device is constructed with fire-resistant plastic components that withstand abnormal heating conditions and mechanical impacts.

RCBO Side View Showing Terminals

The breaker automatically disconnects the circuit when leakage current exceeds the rated sensitivity threshold, providing reliable protection independent of power supply fluctuations. Its robust design includes a two-step snapping mechanism for secure mounting on standard 35mm DIN rails.

Key protection functions include earth fault detection, leakage current protection, overcurrent protection, and overvoltage protection (OVP). The RCBO is suitable for both terminal and busbar connection methods, offering flexibility in various installation scenarios.

RCBO Mounted on DIN Rail

With multiple tripping curves available (B/C/D), the RCBO can be precisely matched to different load characteristics. The device maintains reliable operation across a wide voltage range from 230V to 440V AC.

Manufactured to meet international safety standards, our RCBOs undergo rigorous quality control to ensure consistent performance and long service life in demanding electrical environments.

RCBO Internal Components

V***P 2026-03-03

Outstanding experience from start to finish. Ordering was straightforward and the shipping was remarkably fast, arriving well ahead of the estimated schedule. The packaging was professional and secure, ensuring all components were perfectly intact upon arrival. The quality of the RCBO units is immediately apparent; they feel robust, well-constructed, and the printing/marking is clear and precise. Communication from the supplier was proactive and helpful throughout the process. While I haven't installed them yet for a full performance test, the initial inspection and specifications match the product description perfectly. This gives me great confidence in their reliability for the intended electrical safety applications. Overall, a very smooth transaction with a supplier that clearly prioritizes customer satisfaction and product integrity. Highly recommended for anyone in need of quality electrical components.

W***V 2026-02-04

Yikes, the shipping speed was absolutely phenomenal! I placed the order with some apprehension about the delivery timeline, but the logistics team exceeded all expectations. The package arrived well ahead of the estimated schedule, securely packaged with no signs of damage during transit. Every step was tracked meticulously, providing complete peace of mind. Regarding the product quality, it’s truly impressive. The build feels robust and professional, exactly as one would hope for a critical electrical safety component. The finish is clean, and the DIN rail mounting mechanism operates smoothly without any hitches. You can immediately tell that careful attention was paid to manufacturing standards. As for customer service, they were nothing short of excellent. My initial inquiry was answered promptly and thoroughly by a knowledgeable representative who clarified my few questions about the specifications without pushing unnecessary details. The entire process, from ordering to post-delivery, was seamless and professional. This level of service is commendable and builds significant trust. Overall, this was a remarkably positive experience from start to finish. The combination of rapid, reliable logistics, apparent high quality, and responsive, helpful service makes this supplier a standout choice. I would not hesitate to recommend them or place another order in the future for similar electrical components. A truly satisfactory transaction all around.

Q***N 2026-02-02

Brisk and efficient delivery marked the start of my experience with this order. The logistics were handled impeccably; the package arrived well ahead of the estimated schedule, securely packaged with no signs of damage during transit. This promptness is always appreciated in wholesale procurement. Regarding the product quality, the build of the circuit breakers appears robust and professional. The components feel solid, and the finish is clean, which aligns with expectations for electrical safety devices intended for DIN rail mounting. The service aspect was equally commendable. Communication was clear and responsive, with any pre-shipment inquiries addressed promptly and thoroughly. Overall, a very satisfactory transaction focused on reliable delivery, apparent manufacturing quality, and supportive customer service, making the procurement process smooth and trustworthy.

U***F 2026-02-01

Great experience overall. The shipping was incredibly fast and efficient. I was pleasantly surprised by how quickly the items arrived, especially considering it was a wholesale order. The packaging was secure and professional, with each unit individually protected to prevent any damage during transit. This attention to detail in logistics was very much appreciated and gave me confidence in the supplier from the start. Regarding the product quality, it is genuinely good. The breakers feel solid and well-constructed. The finish is clean, and they snap onto the DIN rail securely without any issues. They appear to be manufactured to proper specifications, which is crucial for electrical safety components. I have no immediate concerns about their build or materials. The customer service was also responsive and helpful during the ordering process. My inquiries were answered promptly and clearly. While I haven’t needed extensive after-sales support, the initial interaction was positive and professional, making the transaction smooth. Generally, for a wholesale purchase, the combination of rapid delivery, apparent quality, and good service communication makes this a satisfactory procurement. I would consider ordering again based on this experience. The process from order placement to delivery was seamless, which is important for business needs.

O***Z 2026-01-27

M***I 2026-01-27

Logistics were handled exceptionally well. The shipment arrived ahead of the estimated schedule, which was a very pleasant surprise. The packaging was robust and secure, ensuring all components were perfectly intact upon arrival. There was no sign of damage or mishandling during transit. Quality appears to be outstanding based on initial inspection. The build feels solid, the materials seem premium, and the finish is precise. It aligns perfectly with the specifications and descriptions provided. The service provided by the seller was commendable. Communication was clear, prompt, and professional throughout the entire process. Any preliminary inquiries were answered thoroughly and without delay. The overall experience from ordering to delivery was smooth and efficient. This transaction sets a high standard for wholesale purchases. The combination of reliable logistics, apparent high quality, and excellent customer service makes this a highly satisfactory procurement. I am confident in the product and the supplier based on this initial engagement. The attention to detail at every stage is noteworthy and appreciated.

C***M 2026-01-25

Beyond satisfactory. The shipping was incredibly prompt, with the order arriving well ahead of the estimated schedule. Every unit was meticulously packaged, ensuring perfect condition upon arrival. The build quality is immediately apparent; the components feel robust and the DIN rail mounting is precise and secure. Communication from the supplier was proactive and clear throughout the entire process, answering all pre-sale inquiries thoroughly. While I cannot comment on specific electrical performance here, the overall craftsmanship and attention to detail in manufacturing are excellent. The service team was exceptionally responsive and helpful, making a bulk order feel straightforward and managed with great care. This was a seamless experience from initial contact to final delivery, focusing purely on the transactional and tangible aspects which were handled flawlessly.

U***E 2026-01-25

Zippy delivery was the first thing that impressed me. The package arrived well ahead of the estimated schedule, which is always a major plus for project planning. The components were securely packed with no signs of damage during transit. Regarding the build, the quality feels substantial and robust, exactly what you would expect for a critical safety device meant for DIN rail mounting. The finish and markings are clear and professional. Customer service was responsive and helpful during the ordering process, answering my preliminary questions promptly. Overall, a very smooth transaction from start to finish. The logistical efficiency and the apparent quality of the product itself give me confidence in this supplier for future electrical component needs.

V***S 2026-01-24

My experience with this order was predominantly positive, beginning with the logistics. The shipping was remarkably swift and well-tracked, with updates provided at every major checkpoint. The package arrived ahead of the estimated schedule, which was a pleasant surprise. Everything was securely packaged with appropriate materials, ensuring the products were well-protected during transit. There was no sign of damage or mishandling, reflecting careful and professional logistics management. Moving to the quality, the items appear to be manufactured to a high standard. The build feels robust and durable, with a solid construction that inspires confidence. The finish is clean and precise, with no visible imperfections or rough edges. Components fit together seamlessly, and the overall aesthetic is professional and reliable. This level of craftsmanship suggests good quality control and the use of decent materials, which is crucial for electrical safety devices. Regarding customer service, the support team was responsive and helpful throughout the process. Any inquiries I had prior to ordering were answered promptly and with clear, detailed information. They were knowledgeable about their products and willing to assist, which made the purchasing decision easier. Post-purchase communication was also efficient, with no issues encountered that required escalation. Overall, the service was courteous and professional, contributing to a smooth transaction. While I cannot comment on specific performance or technical parameters yet, the initial impressions based on logistics, perceived quality, and service interactions are very favorable. The combination of fast shipping, sturdy product appearance, and supportive customer care makes for a satisfactory procurement experience. I would feel comfortable ordering from this supplier again based on these foundational aspects.

Z***C 2026-01-22

Outstanding experience from start to finish. The shipping was incredibly fast and efficient, arriving well ahead of the estimated delivery window. The packaging was robust and secure, ensuring the products were perfectly protected during transit. Regarding quality, the components feel solid, well-manufactured, and precisely as described, giving immediate confidence in their durability and performance. The service provided was equally impressive; communication was clear, prompt, and professional throughout the entire process. Any preliminary questions were answered thoroughly and without delay. Overall, this was a seamless transaction marked by exceptional logistics, superior product quality, and top-tier customer service. Highly recommended for anyone seeking reliable electrical components.

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