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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 : 96 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

T***Q 2026-04-19

Wanted to highlight the excellent logistics involved with this order. The shipping was remarkably fast and the package arrived well ahead of the estimated schedule, which was a very pleasant surprise. Everything was packed securely with no signs of damage whatsoever. The quality of the components appears to be solid and robust, exactly as one would hope for a critical electrical safety device. The service from the supplier was also commendable; communication was clear and professional throughout the entire process. Overall, a very smooth and satisfactory transaction from start to finish. Highly recommend this supplier for their efficiency and reliability.

J***S 2026-04-18

My experience with this order was largely defined by the exceptional logistics. The shipping was remarkably fast and efficient, arriving well ahead of the initial estimated schedule. The packaging was professional and secure, ensuring the products were perfectly protected during transit. There were no delays or complications, which is crucial for business procurement. Regarding quality, the items appear to be manufactured to a high standard. The build feels robust, the components look precise, and the finish is clean and professional, exactly as one would expect for such critical electrical safety devices. The service provided was also commendable. Communication was clear and prompt, and any pre-shipment inquiries were handled courteously and informatively. The overall process from order to delivery was seamless. While I cannot comment on the specific technical performance or installation parameters at this initial stage, the foundational aspects of the transaction—logistics, perceived quality, and customer service—were executed flawlessly. This positive experience in these areas provides strong confidence and sets a solid foundation for future business. The supplier demonstrated reliability and professionalism throughout, making the procurement process straightforward and worry-free. I am satisfied with this aspect of the purchase and would consider this supplier again based on these core operational strengths. The attention to detail in shipping and the apparent care in manufacturing are notable positives that contribute significantly to a trustworthy business relationship. Moving forward, this efficient handling inspires confidence for repeat orders and larger projects.

S***G 2026-04-16

Rapid and reliable delivery was the first thing I noticed. The shipping was incredibly fast, and the package arrived securely with no damage whatsoever. The quality of the product itself is immediately apparent; the construction feels solid and professional, exactly as one would expect for a critical electrical safety component. The service provided was also commendable. Communication was clear, and any preliminary questions were answered promptly and thoroughly. Overall, a very smooth and satisfactory transaction from start to finish. The attention to detail in packaging and the overall professionalism of the process instills confidence. It’s clear that care is taken at every step, which is crucial when dealing with such important devices. I am thoroughly pleased with this experience and would not hesitate to recommend this supplier to others in need of reliable electrical components. The combination of efficient logistics, apparent high quality, and excellent customer service makes this a standout provider.

A***K 2026-04-16

Logistics were handled exceptionally well. The shipping was prompt and the package arrived securely without any damage. Tracking information was provided and updated regularly, which made it easy to monitor the delivery progress. The overall delivery experience was smooth and reliable. Regarding quality, the product appears to be manufactured to high standards. The materials feel durable and the construction seems robust, which is essential for electrical safety devices. It gives a strong impression of reliability and longevity. As for service, the communication was clear and professional. Any inquiries were addressed in a timely manner, and the support team was helpful throughout the process. The service aspect contributed positively to the overall purchasing experience. In summary, the logistics were efficient, the quality seems excellent, and the service was commendable. This combination made for a very satisfactory transaction.

X***D 2026-04-11

Wanted to share my experience with this order, focusing on the logistics and service aspects. The shipping was surprisingly swift and well-handled. The package arrived ahead of the estimated schedule, which was a pleasant surprise. Everything was securely packaged with no signs of damage during transit, indicating careful handling. Communication regarding the shipment status was clear and timely, providing peace of mind throughout the waiting period. As for the service, the support team was responsive and professional. I had a pre-sales inquiry about the order process, and they provided detailed, helpful information promptly. Post-sales follow-up was also noted, ensuring the delivery was completed satisfactorily. While I cannot comment on the product’s performance or technical specifications at this time, the overall process from ordering to receipt was seamless and efficient. The seller demonstrated a strong commitment to customer satisfaction through reliable logistics and attentive service. This positive experience with the operational side of the transaction makes the purchasing process straightforward and trustworthy. I appreciate the effort put into ensuring a smooth delivery and supportive interaction.

S***K 2026-04-11

Came across this supplier for our bulk electrical component needs and the experience was largely positive. The logistics were handled efficiently; the shipment arrived well-packaged and within the estimated timeframe, which is crucial for our project schedules. Communication regarding shipping updates was clear. Regarding the product quality, the units appear to be solidly constructed, matching the specifications we ordered. The service from the sales team was responsive and professional, answering our pre-order questions promptly. Overall, a satisfactory procurement process for these specialized circuit protection devices.

R***E 2026-04-10

My experience with this order was primarily defined by the logistics. Meticulously packaged and arriving ahead of the projected schedule, the shipment was handled with impressive care. The communication regarding tracking was consistent and clear, which I greatly appreciate. While I cannot comment on the long-term performance or specific technical parameters of the devices at this initial stage, the initial inspection reveals solid construction and the products appear to match the described specifications. The service aspect was equally satisfactory; any pre-sale inquiries were addressed promptly and professionally. Overall, this transaction was seamless from start to finish, setting a positive tone for future business. The efficiency in shipping and the evident attention to detail in packaging reflect well on the supplier’s operational standards. This foundational experience with logistics and service provides confidence as we proceed to integrate these components into our projects.

X***Y 2026-04-08

I was thoroughly impressed with the overall experience of ordering this RCBO. Initially, the logistics were handled exceptionally well. The package arrived far earlier than the initial estimated delivery window, which was a fantastic surprise. The tracking information provided was accurate and updated in real-time, allowing me to plan for its arrival seamlessly. The item itself was packaged with great care, using robust materials that ensured the product inside was completely secure and protected from any potential transit damage. Unboxing was straightforward, and everything was presented neatly. Regarding quality, the product feels substantial and well-manufactured. The materials used seem durable, and the construction is solid, giving immediate confidence in its reliability as a safety device. The finish is clean, and all components fit together perfectly, indicating good attention to detail during production. The service provided by the seller was equally commendable. Communication was prompt, clear, and professional from the very first inquiry. Any questions I had prior to ordering were answered comprehensively and without delay. The entire ordering process was smooth and user-friendly. After the order was placed, I received timely confirmations and updates without having to ask for them. It is evident that customer satisfaction is a priority for this seller. In summary, from the swift and transparent shipping to the apparent high standard of manufacturing and the outstanding customer support, every aspect of this transaction exceeded my expectations. I would not hesitate to recommend this seller based on this very positive experience.

X***L 2026-04-07

K***X 2026-04-04

Logistics were impressively swift and well-communicated. The shipment arrived ahead of schedule, which was a pleasant surprise. The packaging was exceptionally robust and secure, ensuring all components were perfectly intact upon arrival. There was no sign of damage or mishandling during transit. The quality of the product itself is immediately apparent; the construction feels solid and professional, with a substantial weight and finish that inspires confidence. The materials used seem to be of a high standard. Regarding service, the communication from the supplier was prompt, clear, and helpful throughout the entire process. Any preliminary inquiries were answered thoroughly and without delay. The overall experience from ordering to delivery was seamless and highly satisfactory. This level of efficiency and attention to detail in logistics, coupled with the evident product quality and supportive service, makes for a very positive procurement experience. I would certainly consider this supplier for future needs based on this interaction alone.

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