DOLD RN 9877 – Phase monitor
Phase monitor
- Preventive maintenance
- For better productivity
- Always right directions of motors and pumps
- Safe monitoring of motors and plants with phase failure detection
- High repeat accuracy
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Monitoring devices
273 products
DOLD RN 9877/800 – Overvoltage relay
Overvoltage relay
- Preventive maintenance
- For better productivity
- High repeat accuracy
DOLD RP 5888 – Insulation monitor
Insulation monitor
DOLD RP 5898 – Coupling device
Coupling device
DOLD RP 5990 – Common Alarm Annunciator
Common Alarm Annunciator
DOLD RP 5991 – Common Alarm Annunciator
Common Alarm Annunciator
DOLD RP 5994 – New- / First- / Common Signal Annunciator
New- / First- / Common Signal Annunciator
DOLD RP 5995 – New- / First- / Common Signal Annunciator
New- / First- / Common Signal Annunciator
DOLD RP 9140 – Reverse power monitoring
Reverse power monitoring
DOLD RP 9800 – Voltage and frequency monitor
Voltage and frequency monitor
- Easy adjustment via rotational switch
- Precise adjustment and indication of setting values
- Protection against manipulation by sealable transparent cover over setting switches
DOLD RP 9810 – Voltage and frequency monitor according to VDE-AR-N 4105:2011-08
Voltage and frequency monitor according to VDE-AR-N 4105:2011-08
- Easy adjustment via rotational switch
- Precise adjustment and indication of setting values
- Indication, diagnostics and fault presentation via display
- Protection against manipulation by sealable transparent cover over setting switches
- Mains and system protection for your generator set
DOLD RP 9811 – Voltage and frequency monitor
Voltage and frequency monitor
- Mains and system protection for your generator set
- Can be used in several countries- DIN VDE 0126-1-1:2013-08 (generator sets on public grid)- VDE-AR-N 4105:2011-08 (generator sets on public grid)- BDEW-directive:2008-06 (generator sets on medium voltage grid)- CEI 0-21:2012-06 (generator sets in Italy)- ÖVE/ÖNORM E8001-4-712:2009 (generator sets in Austria)- G59/3 (generator sets in UK)
- Easy adjustment via rotational switch and menu display
- Indication, diagnostics and fault presentation via display and LEDs
- Password protected
DOLD RP 9812 – Voltage and frequency monitor
Voltage and frequency monitor
- Mains and system protection for your generator set (NA protection)
- Can be used in several countries- Generator sets on public grid according to VDE-AR-N 4105:2018-11- Generator sets on the medium voltage grid according to VDE-AR-N 4110:2023-09- Generator sets on the high voltage grid according to VDE-AR-N 4120:2018-11
- Easy adjustment via rotational switch and menu display
- Indication, diagnostics and fault presentation via display and LEDs
- Password protected
DOLD RR 5886 – Locating current injector
Locating current injector
- Quick correction of insulation faults in complex power networks
- Universal auxiliary voltage range
DOLD RR 5887 – Insulation fault locator
Insulation fault locator
- Quick correction of insulation faults in complex power networks
- Universal auxiliary voltage range
- Easy operation
DOLD RR 5898 – Coupling device
Coupling device
DOLD SK 9065 – Underload monitor (Cos-phi monitor)
Underload monitor (Cos-phi monitor)
DOLD SK 9076 – Valve Monitor
Valve Monitor
DOLD SK 9094 – Temperature Monitoring Relay
Temperature Monitoring Relay
- Preventive maintenance
- For better productivity
- Quicker fault locating
DOLD SK 9143 – Frequency Relay
Frequency Relay
- Easy setting
- Without auxiliary voltage
DOLD SK 9169 – Phase monitor
Phase monitor
DOLD SK 9170 – Overvoltage Relay, 3-phase
Overvoltage Relay, 3-phase
DOLD SK 9171 – Undervoltage Relay, 3-phase
Undervoltage Relay, 3-phase
DOLD SK 9172 – Overvoltage Relay, Single Phase
Overvoltage Relay, Single Phase