E4809-820-005-B
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The E4809-820-005-B power board features an Omron G7R-2A4-ASI relay and UI, VI, WI terminals for three-phase AC input. It also integrates 350 V, 330 µF capacitors for voltage stabilization.
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Product Description:
The E4809-820-005-B Power Board is an industrial grade unit designed for robust power control. It handles three phase AC input via dedicated terminals and supports modular integration. It offers passive cooling and screw mount PCB installation. This board is well suited for demanding electrical and control applications.
The E4809-820-005-B power board’s input section is configured with UI, VI and WI terminals that accepts three phase AC supply. The primary relay in this model is an Omron G7R-2A4-ASI unit that is rated at 7 A for 250 VAC or 30 VDC with a coil voltage of 110 VAC. This relay is central to load switching and isolation functions. The board includes auxiliary relays specifically FUJI FAUX Type RY4S models. These relays operate at 110V AC and supports 50/60 Hz frequency. Resistance components include two S20 100 ΩK ceramic resistors each rated at 100 ohms. These resistors handle high energy dissipation and are designed for thermal stability. The capacitor bank includes five electrolytic capacitors each rated at 350 V and 330 µF with a + 105 °C temperature rating. These components provide energy filtering and voltage stabilization. The board features multiple header type connectors including XT1, XT2, XT6-1 and Z2. These allow modular expansion and signal interfacing. The component layout combines through hole and plug in design formats for easy service and replacement.
The Okuma E4809-820-005-B power board supports a passive cooling mechanism that ensures heat dissipation without active elements. It mounts securely onto standard enclosures via PCB screw hole supports. This makes it suitable for control cabinets or automation systems with limited airflow. All components in this E4809 series board are industrial rated and selected for durability in high temperature or high vibration environments.
Frequently Asked Questions about E4809-820-005-B:
Q: Can the E4809-820-005-B Power Board manage high-voltage relay switching in industrial environments?
A: Yes, the Omron G7R-2A4-ASI relay handles 7 A at 250 VAC or 30 VDC. It ensures precise load switching and isolation with a 110 VAC coil voltage.
Q: Does the E4809-820-005-B integrate securely into compact control cabinets without airflow systems?
A: Yes, it uses a passive cooling system that requires no fans or active components. The screw mount PCB format enables firm enclosure mounting in low-airflow setups.
Q: How does the E4809-820-005-B Power Board ensure voltage stability under fluctuating load conditions?
A: It includes a capacitor bank of five 350 V 330 µF electrolytic units. These components filter energy and stabilize voltage with a +105 °C rating.
Q: Can the Okuma E4809-820-005-B support modular automation layouts and signal interfacing?
A: Yes, it provides XT1 XT2 XT6-1 and Z2 header connectors for modular expansion. These enable signal routing across complex control or automation systems.
Q: How does the E4809-820-005-B maintain resistor performance under thermal stress?
A: The board uses two S20 100 ΩK ceramic resistors rated at 100 ohms. They ensure high energy dissipation and thermal stability during extended operation.
