HERGA Vacuum Switch, 1.9-6.86 Bar, 4mm Spout

The HERGA Vacuum Switch (6721 Series) is a highly reliable single-pole switch engineered for demanding industrial applications. Constructed with a robust nylon 12 body and a durable neoprene diaphragm, it is built to deliver consistent performance under varying conditions. The switch features a side entry spout for the vacuum connection and offers excellent repeat accuracy, ensuring dependable operation cycle after cycle.

Electrical connections are made via quick-connect terminals for fast and simple installation, while the silver-plated contacts ensure minimal electrical resistance and reliable switching. The device is designed to monitor and control vacuum pressure within a precise range, making it an ideal component for automated systems where accuracy is critical.

Key Specifications

• Pressure Range: Operates between 1.9 bar (19 mbar) and 6.86 bar (670 mbar) of vacuum pressure.
• Electrical Rating: Maximum switching capacity of 21A at 250V AC or 6V DC resistive.
• Contact Configuration: Single Pole, Double Throw (SPDT) for versatile circuit control.
• Connection: Features a 4mm spout for the vacuum pressure port.
• Operating Temperature: Functions reliably in environments from -5°C to +70°C.
• Mounting: Designed for panel or chassis mounting.
• Certification: UL recognised version available for compliance with international safety standards.

This vacuum switch is a trusted choice for original equipment manufacturers (OEMs) who require a component that combines precision, durability, and ease of integration into their machinery and control systems.