0039884 | DOLD

Undervoltage relay, 0039884, DOLD

The 0039884 is a undervoltage relay detection in 3 phase systems for industrial and railway applications. The measurement is very simple and without extensive wiring as there is no auxiliary power supply necessary. The adjustment of the setting values is user friendly and done on 2 rotary switches on the front of the device.

Features

• Measures arithmetic mean value
• Adjustable operate and release value
• De-energized on trip operation
• LED indicator for operation and state of contact
• Insensitive to harmonics
• Optionally with adjustable time delay
• Preventive maintenance
• Quicker fault locating
• For better productivity