Allicdata Part #: | 8870240000-ND |
Manufacturer Part#: |
8870240000 |
Price: | $ 10.21 |
Product Category: | Relays |
Manufacturer: | Weidmuller |
Short Description: | RELAY GEN PURPOSE SPDT 16A 12V |
More Detail: | General Purpose Relay SPDT (1 Form C) 12VDC Coil T... |
DataSheet: | 8870240000 Datasheet/PDF |
Quantity: | 1000 |
1 +: | $ 9.28620 |
Specifications
Turn On Voltage (Max): | 8.4 VDC |
Coil Resistance: | 360 Ohms |
Coil Power: | 400 mW |
Contact Material: | Silver Nickel (AgNi) |
Operating Temperature: | -40°C ~ 70°C |
Termination Style: | PC Pin |
Mounting Type: | Through Hole |
Features: | Diode, LED Indicator, Test Button |
Release Time: | 6ms |
Operate Time: | 8ms |
Turn Off Voltage (Min): | 1.2 VDC |
Series: | RCI |
Switching Voltage: | 250VAC - Max |
Contact Rating (Current): | 16A |
Contact Form: | SPDT (1 Form C) |
Coil Voltage: | 12VDC |
Coil Current: | 33.3mA |
Coil Type: | Non Latching |
Relay Type: | General Purpose |
Part Status: | Active |
Packaging: | Bulk |
Description
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Introduction
Power relays, as a type of electrical switch, are designed to maintain or open a set of contacts in an electromechanical circuit as a function of an input signal. They typically contain two forms of actuation signals: magnetic type (solenoids) and electromechanical (coils). The 887 024 0000 Power Relay is a single phase over-current device with a current rating of over 2 Amps. It is specifically designed for use as a device to protect electric motors or other electrical equipment from over-current caused by excessive overloads or short circuits.Design and Construction
The 887 024 0000 Power Relay is constructed using stainless steel and iron, and it has an enclosure size of 8.1mm x 12.3mm. It utilizes a coil winding wound around a core that is encapsulated within the enclosure. The coil is then energized with a single-phase alternating current (AC) line voltage running through it. When the power relay reaches a predetermined level, the contacts it contains will open, thus allowing the power to be disconnected from the device it is protecting.The 887 024 0000 Power Relay utilizes two types of contacts: normally open (NO) contact and normally closed (NC) contact. The NO contact will close when the predetermined level is reached and will stay that way until the power is removed from the coil, while the NC contact will open as soon as the power is activated. In addition, the 887 024 0000 Power Relay also has an integral diode bridge consisting of three 1N4007 germanium diodes. This ensures that any current that flows out of the coil is blocked and is not allowed to pass through the contacts, thus protecting them from damage.Application Fields
The 887 024 0000 Power Relay is used in a variety of applications such as motor starting and stopping, circuit protection, control circuits, automotive, and audio/video equipment. The relay is also often used to protect electric motors from high overloads and short circuits, as well as to control electric motor starting and stopping circuits.Working Principle
When the AC line voltage is applied to the power relay, an alternating magnetic field is created within the coil. As this magnetic field reaches a certain predetermined level, a voltage is created in the coil, which causes it to draw a certain amount of current. This current then flows through the coil, drawing a current from the line. When this current reaches the predetermined level, the relay’s internal contacts open, thus disconnecting the power from the equipment being protected.When the power is removed from the line, the relay’s contacts close and the power is reconnected to the equipment. The current will then flow through the coil in the opposite direction, thus reducing any currents that were previously drawn from the line. In this way, the relay provides a means of disconnecting power from an electrical system before it is allowed to reach a potentially destructive level.Conclusion
The 887 024 0000 Power Relay is a single-phase, over-current device specifically designed to protect electric motors and other electrical equipment from over-current and short circuits. Its stainless steel and iron construction allows it to withstand harsh environments and its integral diode bridge ensures that the contacts are protected from damage. With its numerous applications and easy installation, the 887 024 0000 Power Relay is an essential tool in the arsenal of any electricians or machinery engineers.The specific data is subject to PDF, and the above content is for reference
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