MS27508E12F3BB application field and working principle

MS27508E12F3BB (MS27508E-12F-3BB) is a MIL-SPEC-type weatherproof combiner manufactured by Souriau-Sunbank Connection Technologies. This combiner is designed for computer generated control systems, telecommunications, broadcast systems, and command-and-control systems. It is most commonly used to connect multiple sources of 12-volt and/or 24-volt DC current together.

The MS27508E12F3BB combiner is designed to provide a secure and low- voltage connection between different pairs of 12-volt lines. The MS27508E12F3BB has two places for an electrical signal to enter the combiner. These places are called terminals and they can be opened and closed for connection and disconnection. Each terminal has its own adaptor to accommodate the size and number of terminals that need to be connected. The terminals are also designed to hold the disconnector and the terminal lock-tool.

The MS27508E12F3BB weatherproof combiner utilizes a thermal/pressure sensing element which is mechanically-interlocked with the disconnector. This element causes the disconnector to open after a predetermined time, thus preventing any power overload on the terminals. This feature protects the combiner from damage due to overloading and protects the electrical connections from potential shorts.

This combiner is also designed to be able to detect and interrupt short-term low voltage conditions. A low voltage detection device is located on the terminal block which monitors the voltage at the terminals to detect a low voltage. The detection device will then activate a solid-state relay to switch off the line. This feature ensures safe and reliable operation of the system as it will not be damaged in the event of a sudden power loss. The solid-state relay prevents the voltage from dropping below a certain threshold.

The MS27508E12F3BB is rated for both indoor and outdoor applications and is designed to meet MIL-SPEC requirements. The combiner is enclosed in a waterproof IP67-rated housing and is equipped with a corrosion-resistant cover for protection from the elements. It is also rated for temperatures ranging from -40 to +150°F and has a maximum working voltage of 48 volts. The combiner is resistant to vibration, impact and other mechanical environmental stresses.

The MS27508E12F3BB combiner can be used in stand-alone or in-line applications. In stand-alone applications, the combiner is connected between the two sources of power and the load is connected directly to the combiner. In-line applications, the combiner is used as a connection between two sources of power, either in parallel or series, and the load is connected to both sources of power either in-line or separately.

The MS27508E12F3BB weatherproof combiner is a reliable and safe way to connect multiple sources of power in both outdoor and indoor applications. Its combination of thermal/pressure sensing element, low voltage protection, and waterproof housings make it an ideal solution for many applications. The combiner is designed to meet MIL-SPEC requirements, making it a cost-effective and reliable solution for many different applications.