E4809-820-001-B Okuma
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The E4809-820-001-B power board supports a frequency range ideal for high spindle speed regulation, provides a regulated output for spindle motor control, and integrates forced air cooling or a heatsink design. Part of the E4809 CNC Boards series by Okuma, it ensures safety with overcurrent protection and operates on approximately 24V DC input.
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Product Description:
This E4809-820-001-B Servo Power Board by Okuma famous company is designed to handle computerized applications. The company focuses on creating innovative industrial automation systems that offer high-quality boards for tough domains around the world.
The E4809-820-001-B servo power board is an industrial-grade electronic component used in VAC III-D3/6 CNC systems to manage and distribute power to servo motors. It weighs approximately 1.13 kg and is built to ensure reliable delivery of electrical power across the servo system. The board contains a mix of through-hole and discrete components designed to operate under stable and controlled environments. The electrolytic capacitors rated between 470 micro-farad and 10,000 micro-farads are mainly rated for 250V to 450V DC which help smooth out DC voltage after rectification. Several film capacitors work with 0.1 micro-farads to 10 micro-farads with voltage ratings up to 600V which provide filtering for high-frequency noise. The inductors built with copper wire on ferrite cores are estimated to be within 100 micro-Henry to several milli-Henry used to help reduce electrical noise and stabilize current. The board also includes power resistors with 5W to 50W for current limiting and energy dissipation especially useful in braking circuits.
The E4809-820-001-B servo power board has multiple relays rated at 12 V or 24 V coil voltage and 5–10 A switching current serve to control the flow. A transformer module is marked with FB100R to handle voltage isolation and conversion which is suitable for power ranges around 100–500 W. Connectors and headers allow interfacing with other modules or external components by handling currents up to 10 A. Supporting circuitry like diodes, rectifiers and control ICs are present and are used for safe AC-DC conversion and gate control.
