Wago 721-434/001-000 MCS-MIDI Classic Terminal Block, 4-Pole, 5mm Pitch, Grey

The Wago 721-434/001-000 MCS-MIDI Classic terminal block is a high-quality 4-pole connector engineered for dependable wire-to-board electrical connections. With a 5mm pitch and a durable grey housing, this component is designed to provide secure and stable contact in various industrial and electronic environments. Its compact dimensions make it an ideal choice for space-constrained applications, such as control cabinets and modular electronic systems, where reliability and efficient space management are essential.

Advantages

This terminal block offers significant benefits for professional electrical installations, primarily through its robust construction and user-friendly design. The inclusion of coding fingers ensures that the connector is 100% protected against mismating, which prevents costly errors during assembly and maintenance. Its versatile design supports both horizontal and vertical PCB mounting, providing flexibility for different circuit board layouts. The precise engineering of the solder pins ensures a stable and long-lasting electrical connection, contributing to the overall integrity of the system.

Suitable for

• Industrial control cabinets
• Modular electronic systems
• PCB-to-wire connectivity
• Automation and instrumentation equipment

When it may not be suitable

This terminal block is specifically designed for 5mm pitch applications and may not be compatible with systems requiring different spacing or higher current ratings beyond its specified capacity. It is intended for professional use and may not be suitable for high-vibration environments without additional strain relief measures.

Key specifications

• Number of poles: 4
• Pitch: 5 mm
• Dimensions: 23.2 mm width, 12 mm depth, 15.2 mm height
• Pin cross-section: 1 x 1 mm
• Mounting type: PCB solder pins
• Protection: 100% protected against mismating
• Features: Integrated coding fingers

How to use

To use the Wago 721-434/001-000, align the connector with the corresponding solder pads on your printed circuit board. The unit can be mounted either horizontally or vertically depending on your specific board layout requirements. Ensure that the solder pins are correctly inserted into the PCB holes before soldering to establish a permanent electrical connection. The integrated coding fingers will guide the mating process, ensuring the connector is properly oriented and protected against incorrect insertion.

What to consider before purchase

• Verify the pitch requirement of your PCB design matches the 5mm specification.
• Ensure the 4-pole configuration meets your circuit connection needs.
• Check the available space in your enclosure against the physical dimensions of the block.
• Confirm the compatibility of your wire gauge with the terminal block connection type.

Usage recommendations

For optimal performance and longevity, ensure that the soldering process is performed according to standard industry practices to prevent cold solder joints. Always verify that the connector is fully seated before operation to maintain the integrity of the electrical contact.