Omron W4S1-03B W4S1 Industrial Switching Hub

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Manufacturer: Omron
Product No.: W4S1-03B
Country of origin:Japan
Product Type: Industrial Ethernet Switches
Payment: T/T, Western Union
Weight: 2000g
Dimensions: 9.0 cm x 7.8 cm x 2.5 cm
Shipping port: Xiamen
Warranty: 12 months

Description

Engineered for reliable network performance at the field level, the W4S1-03B industrial switching hub provides robust Ethernet connectivity in demanding factory automation environments. This compact, 3-port unmanaged switch supports fast Ethernet speeds (10BASE-T/100BASE-TX) and is optimized for direct integration with PLCs, HMIs, and distributed I/O systems.

The device ensures stable packet transmission using an internal 80 KB buffer capacity and accommodates up to 2,000 MAC address entries. Designed with industrial-grade resilience, it features a low power consumption profile and comes supplied with a dedicated power supply connector for secure 24 VDC wiring.

Features

Compact 3-port layout designed for high-density space-constrained control panels.
Full compatibility with IEEE 802.3 (10BASE-T) and IEEE 802.3u (100BASE-TX) Ethernet standards.
Integrated 80 KB packet buffer to minimize data frame loss during peak traffic.
Support for up to 2,000 MAC addresses.
Supplied with a dedicated terminal connector for stable power distribution.

Applications

Factory automation and control systems networking.
Fieldbus and machine-level Ethernet distribution.
PLC-to-HMI communications.
Compact control panel integration.

Technical Specifications

Manufacturer	Omron
Part Number / Model	W4S1-03B
Product Series	W4S1 Industrial Switching Hubs
Number of Ports	3
Ethernet Standards	IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-TX
Power Supply Voltage	24 VDC (plus/minus 5%)
Current Consumption	0.22 A
Power Consumption	5.28 W max.
Inrush Current	lp = 1.42 A
Buffer Capacity	80 KB
MAC Address Capacity	2,000
Dimensions (H x W x D)	9.0 cm x 7.8 cm x 2.5 cm (approximate)
Shipping Weight	2.0 kg
Included Accessories	Power supply connector

Connections and Interfaces

Interface Type	Function / Description
RJ45 Ports (1-3)	10/100BASE-TX auto-sensing communication ports
Power Terminal	Removable connector for 24 VDC input

Installation Guidelines

Mounting: Install within a clean, dry, and dust-free control cabinet. Ensure sufficient spacing around the module vents to facilitate heat dissipation.
Wiring: Always use shielded twisted-pair (STP) Ethernet cables (Category 5 or higher) to mitigate electromagnetic interference (EMI) in industrial zones.
Power Input: Use the supplied power supply connector to secure the 24 VDC source, maintaining the strict plus/minus 5% voltage tolerance window.

Key Features:

#Industrial Ethernet Switches #Omron W4S1

What power supply voltage is required for the Omron W4S1-03B?

The W4S1-03B requires a stable nominal voltage of 24 VDC within a tolerance of plus/minus 5%.

Does the W4S1-03B switch package include a power connector?

Yes, a dedicated power supply terminal connector is included as standard with the W4S1-03B module.

What Ethernet speeds and standards are supported by this industrial hub?

The device features 3 ports that support IEEE 802.3 10BASE-T and IEEE 802.3u 100BASE-TX standards for fast Ethernet performance.

What is the buffer size and MAC address capacity of this module?

The W4S1-03B has an internal buffer memory capacity of 80 KB and a MAC address lookup table that holds up to 2,000 address entries.

Global Express Shipping

Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).

For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

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Omron W4S1-03B W4S1 Industrial Switching Hub