IS421ESWBH1A - Ethernet Switch

SPECIFICATIONS

Part No.: IS421ESWBH1A
Manufacturer: General ElectricCountry of Manufacture: United States of America (USA)
Dimensions: 18.8 × 8.6 × 5.6 cm
Cooling Method: Convection cooled
Mounting Method: DIN-rail mounted
Safety Rating: Non-interferingProduct Type: Ethernet Switch
Availability: In Stock
Series: Mark VIeS

Functional Description

IS421ESWBH1A is an Ethernet Switch developed by GE. It is a part of Mark VIeS control system. It ensures smooth data transfer between various system components, supporting efficient and fault-tolerant control system operation. This switch provides the reliable connection of control modules, operator stations, and I/O components, forming the backbone of the IONet communication network.

Network Interfaces

Offers a flexible combination of copper and fiber-optic ports for versatile network configurations. It supports industrial Ethernet standards to ensure compatibility, reliability, and high data integrity across the Mark VIeS control network.

• Copper Ports: 16 ports, 10/100Base-TX speed
• Connector Type (Copper): RJ-45
• Cable Type: Cat 5e UTP cable with RJ-45 connectors (8P8C)
• Function (Copper): Provides fast and secure data communication across multiple Mark VIeS system devices
• Fiber Port: 1 port, 100Base-FX speed
• Fiber Type: Multi-mode fiber
• Connector Type (Fiber): LC-type
• Function (Fiber): Enables long-distance data transmission with minimal interference, ideal for electrically noisy or distributed installations

Power Requirements

Designed for redundancy and reliability, features dual independent power inputs for continuous operation.

• Input Voltage: 24 / 28 V DC
• Maximum Current: 1 A
• Power Redundancy: TB1 and TB2 provide inputs for two independent power sources that are diode-OR’d to ensure redundancy.
• Power Supply Connector: Phoenix Contact (MC 1.5/S-STF-3.81) – 2 units included

Environmental and Safety Ratings

Designed to deliver reliable performance in harsh industrial environments and hazardous locations, ensuring safety and operational stability under extreme conditions.

• Operational Temperature: −40°C to +70°C (−40°F to +158°F)
• Storage Temperature: −40°C to +85°C (−40°F to +185°F)
• Hazardous Location Certifications: Class 1, Division 2 / Class 2, Zone 2 / ATEX Certified
• Compliance Guide: Refer to the Mark VIeS Functional Safety System Equipment in Hazardous Locations (HazLoc) Instruction Guide – GEH-6861 for detailed ratings and installation instructions.
• Corrosive Environment Rating: G3 Compliant – suitable for areas exposed to corrosive gases or chemicals.

Cooling and Performance

• The convection cooling system eliminates the need for internal fans, which:
• Reduces noise and maintenance requirements
• Enhances long-term reliability
• Supports continuous operation in temperature-sensitive areas
• This design ensures efficient heat dissipation and consistent performance even under extended operational loads.

Mounting and Installation

• The switch is DIN-rail mounted, allowing for easy installation and replacement within control cabinets.
• A mounting clip (purchased separately) secures the switch in place.
• Its compact design allows efficient use of cabinet space, ideal for dense control panel layouts.

Key Features and Benefits

• High Reliability: Designed for 24/7 industrial operation with redundant power inputs.
• Rugged Construction: G3 compliant and certified for hazardous areas.
• Flexible Connectivity: Combination of copper and fiber ports for versatile configurations.
• Wide Temperature Range: Operates effectively from −40°C to +70°C.
• Maintenance-Free Cooling: Fanless, convection-cooled design.
• Easy Integration: Compatible with GE’s Mark VIeS system and other industrial Ethernet networks. 

The WOC team is always available to help you with your Mark VIeS requirements. For more information, please contact WOC.

Frequently Asked Questions

What is IS421ESWBH1A?
It is an Ethernet Switch developed by GE under the Mark VIeS series.

How many ports does the Switch have?
It features 16 copper ports (10/100Base-TX) and 1 fiber-optic port (100Base-FX), offering flexible connectivity for both short- and long-distance communication.

What type of connectors and cables are supported?
The copper ports use RJ-45 connectors with Cat 5e UTP cables, while the fiber-optic port uses an LC-type connector for multi-mode fiber cables.

What are the power requirements for this switch?
The switch operates on 24 / 28 V DC and draws a maximum current of 1 A. It includes dual power inputs (TB1 and TB2) that are diode-OR to provide redundant power for uninterrupted operation.

Can the Switch operate in harsh environments?
Yes. It is G3 compliant and designed for operation in industrial and hazardous.