MDR-131-1

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Power Relays are famously known as the workhorses of most electrical applications. The MDR-131-1 is a power relay that is designed to control power loads up to 2 Amps, making it a versatile asset in many applications. This article will provide an overview of the MDR-131-1 application field and working principle.

The MDR-131-1 is a high current, single pole, double throw (SPDT) power relay ideal for controlling and switching AC or DC voltages and currents. This versatile relay allows for power-on or power-off control, and can be used in multiple applications, such as: HVAC, pumps, fans, motor starters, lighting, compressors, and circuit breakers, among others. The MDR-131-1 is an electrically operated device, so no additional batteries or power supplies are required.

The working principle of this relay is simple: the current flowing through the coil generates an electromagnetic field, which then draws the movable contact armature towards the coil. Typically, there will be normally open (NO) and normally closed (NC) contacts on the armature, so depending on the configuration and application, the armature can be either drawn towards or away from the coil, which thus opens or closes the circuit.

The MDR-131-1 features high switching capability, with an electrical life span of up to 100,000 operations. It has an elongated, temperature-resistant base, giving it better contact stability and improved heat conduction away from the contacts. Additionally, the MDR-131-1 is UL listed and CSA certified for safety, making it suitable for a wide range of applications.

The MDR-131-1 relay has a maximum current rating of 2 Amps, making it ideal for controlling medium-sized motors or loads. It can also be used to control 3 phase circuits, with a maximum control voltage of 250 Vac/50 Vdc. The relay is also designed to be simple and straightforward to install and use; it has an open frame design, allowing for a simpler installation in tight spots. It also features an easy to understand wiring diagram, which makes it easier to connect the relay to the electrical system.

The MDR-131-1 is a useful and reliable power relay for controlling a range of applications up to a current rating of 2 Amps. It is a single pole, double throw (SPDT) relay, with normally open (NO) and normally closed (NC) contacts, designed for use with AC or DC voltages and currents. This versatile power relay is UL listed and CSA certified, and offers up to 100,000 operations. It is an efficient, reliable and affordable solution suitable for many applications.

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