E0451-521-031

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The E0451-521-031, a component of Okuma's E0451 Power Supply Boards, is a solenoid valve constructed with a durable aluminum alloy body. It operates within a pressure range of 0.15 – 0.7 MPa and features a 24V DC coil voltage. Its operating temperature range is -10°C to +60°C and adheres to the IP65 protection structure standard.

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Product Description:

Okuma Corporation’s E0451-521-031 is a space-saving power supply module board created particularly for CNC machines and devices. Released as part of the critically acclaimed OSP 5 series, the E0451-521-031 is a powerful automation tool that can be used for managing input power for various types of devices, terminals, and modules. Like most CNC boards, it does not come with its own enclosure. To protect this compact board during operation, it can be mounted to another device or module that has its own enclosure. Each corner of this power supply board has a screw hole for screw-in mounting.

The E0451-521-031 employs various electrolytic capacitors for filtering out noise and unwanted frequencies from the input signal. Since the E0451-521-031 serves mainly as a power supply board, these electrolytic capacitors help provide a stable power output that has little to no fluctuations. In the context of automation systems, most devices and machines are sensitive to fluctuation. Exceeding beyond the allowable voltage range could almost certainly damage various electronic components within the connected devices. The E0451-521-031 also has a set of jumpers and terminals for directly connecting other peripheral devices or communication modules. Power supply module boards can also be used for variable control applications.

As part of the OSP 5 series by Okuma, the E0451-521-031 is characterized by its rapid response and wide operating range. It supports various types of devices and is designed to be compatible with Okuma’s original products and other proprietary boards. As a supply board, the E0451-521-031 can be connected to a main supply. Like other supply modules, this device incorporates various types of protection features to prevent damaging other connected devices in case of fault or overload.

Body Material
Aluminum Alloy
Coil Voltage
24V DC
Electrical Entry
Grommet lead wire
Manual Override
Non-locking push type
Mounting Type
Direct mount
Operating Temperature Range
-10°C to +60°C
Port Size
1/4 inch
Pressure Range
0.15 – 0.7 MPa
Protection Structure
IP65
Response Time
15 ms or less
Seal Material
NBR
Type
Solenoid Valve
Weight
About 150g

Frequently Asked Questions about E0451-521-031:

Q: What type of cooling does the E0451-521-031 have?

A: The E0451-521-031 employs a large heatsink to dissipate heat efficiently during operation.

Q: What is the nominal voltage of the E0451-521-031?

A: When used with other OSP 5 devices, the nominal voltage of the E0451-521-031 is 24 VDC.

Q: Why do automation boards such as the E0451-521-031 use DC voltage?

A: Most industrial and automation boards, such as the E0451-521-031, use DC voltage because various electronic components are polarized; that is, they cannot tolerate current in the reverse direction.

Q: What is the nominal ambient temperature range of the E0451-521-031?

A: During operation, the E0451-521-031 can reliably operate up to a maximum ambient temperature of 55 degrees Celsius.

Q: What is the protection category of the E0451-521-031?

A: Without a proper enclosure or casing, the E0451-521-031 has the lowest possible protection category, making it susceptible to moisture and dust.


Internal Product Review

  • ‘‘The E0451-521-031 is an efficient supply module board designed by Okuma under the OSP 5 automation series. With its compact form factor, efficient circuit design, and well-defined signal routing, this device can be used to reliably power other devices and modules simultaneously from a common supply line.’’

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