E4809-820-004-A
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The E4809-820-004-A is a DIN rail-mounted CNC board with an input voltage range of 100-240V AC. Manufactured by Okuma as part of the E4809 CNC Boards series, it operates at a frequency of 50/60Hz. Featuring 93% efficiency, it offers protection against overvoltage, overcurrent, and short-circuits.
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Product Description:
The E4809-820-004-A circuit board is represented as a BLII-D power board by Okuma used to distribute electrical power to various subsystems of the machine. Okuma has created a renowned name in developing proficient and reliable designs for the industrial automation field.
The E4809-820-004-A circuit board shows the installation of core components that carry out stable power routing within the machine’s internal control system. Two blue relays which are placed prominently serve the role of switching and isolation. These electromechanical units are rated between 10 A and 30 A and work on a DC coil voltage commonly 24 V. They contain three large radial electrolytic capacitors dark brown which handle DC voltage smoothing and load filtering. They range from 470 micro-farad to 2200 micro-farad by operating within a voltage range of 200 V to a maximum of 450 V. White plastic terminal connectors of various types including JST or Molex are spread out to direct control and signal lines to other modules. The signal integrity of low-voltage lines depends on multi-pin connectors which extend from 2 pins to 20 pins.
The E4809-820-004-A circuit board features blackish screw terminal blocks across its two sides to connect AC or DC input and output signals with a maximum voltage of 300 V and a current capacity of 20 A. The FR4 epoxy laminate material within the base ensures electrical protection. Protected paths separate high and low-voltage areas through track layout to prevent interference. Each machine cabinet holds a board with fixed holding areas to maintain a secure installation. It has a compact 1 kg weight which allows it to operate effectively through power relay functions and circuit connection points.
Frequently Asked Questions about E4809-820-004-A:
Q: Does the E4809-820-004-A support AC and DC power distribution?
A: Yes, it includes terminal blocks for both AC and DC input/output handling. Rated for up to 300V and supports up to 20A current.
Q: What kind of relays are used on the E4809-820-004-A board?
A: The board uses electromechanical relays rated around 10A to 30A. These are driven by control signals for load switching.
Q: What type of connectors are used on the E4809-820-004-A board?
A: It includes white JST or Molex-type connectors. These allow for control signal and low-voltage line interfacing with other modules.
Q: What material is used for the PCB of E4809-820-004-A?
A: It uses FR4 epoxy laminate, providing electrical insulation and high mechanical durability within CNC cabinet environments.
Q: Is the E4809-820-004-A involved in circuit protection?
A: Yes, it includes fuses and relay isolation features. These protect components against overcurrent and electrical faults.
