1DM338

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Snap action, limit switches are used when the operation of a machine must depend on the physical position of a mechanical part. Most commonly, snap action, limit switches are used when the operation of a machine must be interrupted or stopped when a device, such as a lever or arm, has been moved all the way up or all the way down. The 1DM338 snap action, limit switch, manufactured by Bolta Manufacturing, is a robust, reliable and cost effective solution for a variety of general purpose switching applications.

1DM338 Application Fields and Working Principle

The 1DM338 snap action, limit switch can be used in a variety of applications, including motor and machine start/stop control, and process control. In particular, the 1DM338 is particularly suitable for heavy duty applications due to its robust construction and ability to withstand high operating temperatures. The 1DM338 has a wide range of switch types, including single pole, double pole, and selector switch configurations.

The 1DM338 operates using a snap action mechanism. In basic terms, when an object comes in contact with the switch, the switch mechanism is forced to move and mechanically trigger the switch. This rapid ‘snap’ triggers the switch, and the circuit is completed. The switch is designed to be used in conjuction with a cam, lever, or plunger actuator. The actuator is interconnected with the switch mechanism in such a way that when the actuator is manually operated, the switch is triggered.

The 1DM338 contact is rated to 8 amps, with a voltage of 140/250V AC. The 1DM338 has both slow-action and snap-action contacts, and is rated at IP65 protection against dust and liquids. The contacts are made from durable brass and are gold-plated to increase electrical contact life. The 1DM338 has a wide range of switching frequencies available, ranging from 0.5 to 5.0 Hz, and also has an adjustable pre-travel adjustable from 0 to 10°.

In addition to its robust construction, the 1DM338 snap action, limit switch offers a number of additional features to its users. These include an over-pressure protection system that helps prevent the switch from being damaged if it is forced to move too quickly. The 1DM338 also has a central locking system to prevent inadvertent operation, and a touch-proof contact design to ensure user safety.

The 1DM338 snap action, limit switch can provide a cost-effective and reliable solution for a variety of applications where an external force must be detected. With its wide range of switch configurations, adjustable switch frequency, durable construction, and additional features, the 1DM338 is a superbly designed solution for mechanical motion detection.

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