PM4HA-H-AC240VS Industrial Controls

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Time delay relays are a form of time switch that can be used for many different applications. The PM4HA-H-AC240VS, manufactured by Sensata Technologies, is a heavy duty time delay relay with a robust construction for industrial applications. It is designed to provide accurate and reliable on/off control of process equipment with the help of its long life contacts and an operating voltage range of 24 to 240 VAC at 60 Hz.

The PM4HA-H-AC240VS is designed and configured to meet the tough demands of industrial applications such as automated machines, process control systems, and industrial automation systems. It allows for on/off control of process equipment, and it has a wide range of trigger delays from 0.1 seconds to 30 hours. This flexibility makes the PM4HA-H-AC240VS suitable for a variety of applications where precise timing is required.

The PM4HA-H-AC240VS works on a scaled down version of an electromechanical timer. It uses a capacitor-input oscillator that generates electrical pulses and feeds them into a compact, low-power transistor. This transistor is used to drive a relay switch which provides the on/off control of the process equipment. The timing of the pulses is adjustable by setting the capacitor value and the number of turns on the coil of the oscillator. This allows the user to set the time delay, from 0.1 seconds to 30 hours, to meet the desired requirements.

In addition, the PM4HA-H-AC240VS is equipped with a power interruption detection circuit that will detect an interruption of power and will shut down the relay to protect the circuit. This ensures that the process equipment is not damaged in case of a power failure.

The PM4HA-H-AC240VS is ideal for applications such as process equipment control, machine control, and automated production. It is also ideal for use in applications where precise time delays of short duration are required. The adjustable time delay and power interruption detection make the PM4HA-H-AC240VS a reliable and versatile time delay relay.

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