A solenoid connector joins a solenoid coil to its power source. It consists of male and female halves that snap together, with the power supply side being a female socket and the coil side a male plug. It ensures tight, clean joints and allows for easy isolation of the solenoid during testing. When replacing a solenoid connector, care must be taken to match the capacity of the new connector to the operating current of the solenoid coil.
A solenoid connector is a cable termination device used to join the leads of a solenoid coil to its power source. In most cases, these connectors are of a standard design and consist of male and female halves that snap tightly together. Typically the connector on the power supply side is a female socket with recessed pins, while on the coil side there is a male plug. In most cases, these connectors will be a generic type, with removable pins, although many solenoid applications have specially designed connectors. When replacing a broken solenoid connector, care should be taken to ensure that the connector/pin combination is adequately sized to safely carry the solenoid operating current.
Most solenoids have sealed coils with short runs of exposed power wire. These wires must be connected to the solenoid power source before the solenoid can be used. In some cases, the solenoid is close enough to the control source that wires can be inserted directly into its output connections. In most applications, however, the power source will be within a reasonable distance from the solenoid and will require control wiring to be routed to its location. A solenoid connector is then used to make a secure and clean connection between the coil leads and the power source harness.
In theory, for any type of connection, including connector blocks, soldered, or push-in connections, the pre-insulated terminals will suffice when splicing solenoid leads into a power circuit. A solenoid connector is, however, the preferred way to make these connections for a variety of reasons. First, they create a standardized installation where swapping out parts requires no modification of existing wiring. Second, they ensure tight, clean joints with little or no potential for electric shock, overheating, or short circuits. Non-permanent solenoid connector splices are also desirable from a diagnostic standpoint, as they allow a technician to easily isolate the solenoid while testing the circuit for fault locations.
There is a large selection of general purpose products suitable for use as solenoid connectors, including the familiar pluggable pin connectors. However, many applications have brand-specific types of solenoid connectors, which may make replacement difficult. In all cases, however, care must always be taken when replacing a solenoid connector to match the capacity of the new connector to the operating current of the solenoid coil. An incorrectly rated connector can cause the connector housing to overheat and melt, creating a shock or fire hazard.
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