product Desc.
The HD 250V Toggle Hydraulic Magnetic Circuit Breaker is a new generation miniature and precision circuit breaker designed for use in small-scale equipment. It features an advanced and rational structure, employing a hydraulic electromagnetic design composed mainly of an operating mechanism, contacts, and a disconnecting mechanism. It possesses strong impact resistance and high flame retardancy, serving as a small-sized circuit breaker with dual protection against overcurrent and short circuits.

Features of HD-50 Circuit Breaker
1. The HD-50 features a hydraulic electromagnetic trip unit, integrating overload and short-circuit tripping into a unified mechanism.
2. The HD50 exhibits strong control torque: it leverages the pressure transmission of liquids to increase torque, enabling rapid power interruption, short-circuit protection, and overload protection.
3. This circuit breaker is devoid of thermal elements, eliminating the need for cooling time. It can be promptly closed once the fault current dissipates.

4. Tripping performance is dependent solely on the magnetic flux generated by the current passing through the coil, with minimal susceptibility to changes in environmental temperature.
5. Convenient operation: The HD50 features a simple and flexible structure that is reliable, with low maintenance costs. It can provide one-time protection for electric motors, ensuring they are not adversely affected by faults such as overload.
6. Safe and reliable: The HD50 incorporates overcurrent protection functionality. It automatically cuts off the circuit when the current exceeds a certain threshold, ensuring the safety of the equipment.
products Specification
| Product name: | HD 250V Toggle Hydraulic Magnetic Circuit Breaker | ||
|
Rated Voltage: |
AC250V 50/60Hz | Rated Current: | 1-100A |
| Pole: | 1 pole, 2 pole, 3 pole, 4 pole | Reset Type: | On Off Manual Reset |
| Item no.: | HD-50 | Material: | High Flame Retardant Plastic |
| Connection: | Bolt, Plug | Installation: | Panel Mounting |
products Details




Working and installation conditions
1. Ambient Air Temperature: The upper limit is +85℃, and the lower limit is -40℃.
2. Altitude: The altitude should not exceed 2000 meters.
3. Humidity: The relative humidity of the air at the location where the circuit breaker is installed should not exceed 50% at a temperature of +85℃. The average lowest temperature in the wettest month should not exceed 25℃, and the average maximum relative humidity in that month should not exceed 90%.
4. The circuit breaker can be installed in locations with significant impact and vibration.
5. The inclination angle with the vertical plane during the installation of the circuit breaker should not exceed 5º.
6. The circuit breaker should be installed in a place free from snow and rain erosion.
7. The circuit breaker meets the requirements of GB17701-1999, C22.2, and IEC60934: 2000.
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Factory Info
Dongguan Senreach Electronics Co., Ltd, founded in 2011, is a professional circuit protection components manufacturer and programme supplier in China. We have 20 years' experience in manufacturing fuse, fuse holder, circuit breaker, thermal protector, ntc sensor and etc.
With variety of advanced manufacturing and testing equipments, we adpot perfect quality management system to ensure that every single piece of our components are safe and stable. Our operations are ISO9001:2000-certified and products meet international standards.
We are specialized in developing, manufacturing and selling circuit protection components for over-current, over-temperature and over-voltage applications with kinds of performance, types and specifications. Our products are widely used in consumer electronics, automobiles, vessels, communication device, power supply, new energy, photovoltaic and other fields.








why choose us

Price advantage
Our factory prides itself on offering a significant price advantage to its customers. Through efficient manufacturing processes, economies of scale, and cost-effective sourcing of materials, we can provide competitive pricing for our products.

quality assurance
Quality is at the core of our factory's operations. We prioritize the production of goods that meet or exceed industry standards and customer expectations.

factory Wholesale
By maintaining a well-stocked inventory, we can promptly fulfill orders, even for large quantities. This approach reduces lead times and minimizes delays for customers, making it easy for retailers and distributors to source products efficiently.

excellent service
Our factory is dedicated to providing a comprehensive and hassle-free experience to our customers. By consolidating these services under one roof, we streamline the entire supply chain, making it convenient and efficient for customers to collaborate with our factory.

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