Relays have formed the traditional building blocks of control since the 1950s and are still widely used for control or power conversion. Styles range from electro-mechanical or sold state relays to models rated for high power, hazardous locations, and monitoring, alternating, or timing functions.
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Relays and timers provide basic control at a very affordable price and have been a viable automation method for decades. Our general purpose industrial relays are a low-cost way of adding simple control and isolation to any application.
Electro-mechanical relays receive an electrical input that magnetizes an internal coil, causing the relay's contacts to open or close. These relays serve a wide range of industrial applications and are available in a variety of styles to fit specific applications.
Optocoupler relays provide electrical isolation between the control signal and the load.
Solid state relays use electronic components for switching a load, have no moving parts, and are ideal for applications requiring many/frequent contact closures. Models include general-purpose relays in panel or DIN rail mounting styles.
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Phase monitoring relays protect against equipment failure caused by faults in a 3-phase system, such as phase reversal, phase loss, phase unbalance, overvoltage, and undervoltage (select models also provide fault monitoring for single-phase applications).
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Voltage monitoring relays protect equipment from damage caused by faults in a DC or 1-phase AC system, such as overvoltage, undervoltage, or exceeding a voltage band.
These relays are available in a selection of voltage inputs; certain models offer fixed or adjustable drop-out protection.
Alternating relays provide significant cost savings and vastly increase equipment life by equalizing the run time of two loads in redundant or lead/lag applications such as pumps, compressors, air conditioning, or refrigeration systems.
The most common premature motor failures are caused by bearing issues due to lubrication loss and contamination ingress.
Pump seal failure relays save money by providing an alarm output when a leak is detected, alerting service personnel that routine maintenance is required to protect the motor from irreversible damage.
Intrinsically safe relays provide a safe and reliable method to control up to four loads (motor starters, relays, etc.) with up to four input devices (switches, sensors, etc.) located in a hazardous area.
All models offer finger-safe design, LED status indicators, and DIN rail or panel mounting options.
Timer relays provide simple, cost-effective control of processes and machine tools.
Versatile digital multi-function relay units are easily configured as a digital counter, timer, combination timer-counter, or tachometer. The two-color LCD shows values, settings, and setup parameters, easily set using the externally accessible DIP switches and the lockable keypad.
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