The DOLD BA is a speed monitor relay designed to oversee the rotational speed of motors and machinery, ensuring operational safety and efficiency. Key features include:

• Monitoring Functions:

• Underspeed detection

• Overspeed detection

• Standstill monitoring

• Adjustable Response Value: Allows customization of impulse per minute (IPM) settings to suit specific application requirements.

• Start-Up Delay: The BA model includes an adjustable start-up delay ranging from to seconds, accommodating machinery that requires time to reach operational speed.

• Output Contacts: Equipped with a single changeover (C/O) contact for integration into control circuits.

• Power Supply: Operates on a V AC auxiliary voltage, compatible with standard industrial power systems.

• Housing Width: Compact mm design, suitable for DIN rail mounting, facilitating easy installation in control panels.

• Compliance: Meets IEC/EN - standards, ensuring reliable performance in industrial applications.

This speed monitor relay is ideal for applications requiring precise monitoring of motor speeds to prevent mechanical failures, protect equipment, and enhance safety in industrial environments.

DOLD - BA9055 - Speed Monitor Relay, 230V AC, Adjustable IPM