BDH117

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The BDH117 is an important component found in disconnect switch systems. Consisting of a pair of sturdy stamped or die cast housings, a single or double break contact, as well as a number of springs and other small internal assemblies, the BDH117 is one of the most reliable disconnect switches on the market. Designed for safety, reliability, and easy installation, the BDH117 is used in many critical applications throughout the industrial sector.The primary application of the BDH117 is as a safety disconnect switch, allowing power to be shut off quickly and easily. This makes it an ideal solution for hazardous environments, as it prevents unintentional energisation of a system by allowing controlled switching of a circuit. The BDH117 also finds use as an electrical isolator, providing a means of cutting off power quickly and easily when working on a system.In terms of its internal working principle, the BDH117 is a spring-loaded contact block and is typically used in applications where both open and closed circuits are required. The BDH117 bypasses the use of a dedicated circuit breaker, which can be bulky and expensive, instead providing a convenient and inexpensive solution for interlocking, interchanging, or isolating an AC branch circuit.When an AC circuit is energised by an in-line fuse or a circuit breaker through the BDH117, current is conducted through a pair of fixed contacts which are connected to the main power source. The amount of current that can be drawn through the BDH117 is limited because of its design, ensuring that it will not become overloaded and potentially cause a hazardous situation in the process.When a switch is activated, the movable contact is forced towards the fixed contact, and the spring inside the BDH117 is compressed as it displaces the movable contact. This action opens the circuit and breaks contact with the main power source, preventing current from being drawn through the BDH117. To re-energise the circuit, the pressure must be released from the spring, whereupon the contacts will be restored and the circuit will become active again.In addition to its use in applications involving direct current, the BDH117 can also be used in alternating current environments. Here, the contacts can be opened and closed up to multiple times in a single second. This makes the BDH117 particularly useful for applications where frequent switching is required in order to prevent unwanted energisation during maintenance.Overall, the BDH117 is a versatile and durable component which provides an economical solution for circuit disconnection and control. Its spring-loaded design allows for high current carrying capacity and fast breaking, enabling it to be used in a variety of industrial and commercial applications. As a result, the BDH117 is a reliable and cost-effective solution for a wide range of disconnect switch systems.

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