Monitoring relay DOLD

Monitoring Modules

DOLD Insulation Monitors

For AC-systems up to AC / 3AC 500 V
For DC-systems
For mixed AC-DC systems
For medical rooms according to VDE 01077


DOLD Measuring Relays

Current relays
Voltage relays
Broken wire detecting relays
Reverse power relays
Thermistor motor protection relays
Temperature monitors
Frequency relays
Speed monitors
Phase sequence relays
Fuse monitors
Underload monitors
Motor load monitors
Valve monitor
Level sensing relays


DOLD Fault Annunciators

Fault annunciator with common alarm
First and new signal annunciators
Operation and fault annunciator systems
Programmable fault annunciator systems
Text fault annunciator systems
Text displays
Lamp testers

More specifications...