DOLD SL 9069 – Neutral Monitor
Neutral Monitor
- Protects systems from damage caused by excessively high or low voltages with unbalanced loads
- Preventive maintenance
- For better productivity
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DOLD SL 9070 – Overvoltage Relay
Overvoltage Relay
DOLD SL 9071 – Undervoltage Relay
Undervoltage Relay
- Preventive maintenance
- For better productivity
DOLD SL 9075 – Fuse Monitor
Fuse Monitor
- Increased system availability through early detection of fuse failures, which can cause considerable damage to systems
- Rapid detection of fuse failures, even when consumers are switched off, ensures system availability at the earliest possible point in time
- Reliable detection of fuse failure, even with an unbalanced or harmonic network and with regenerative motors
DOLD SL 9077 – Over- and undervoltage relay
Over- and undervoltage relay
- Preventive maintenance
- For better productivity
DOLD SL 9077/800 – Over- and undervoltage relay
Over- and undervoltage relay
- Preventive maintenance
- For better productivity
DOLD SL 9079 – Short-time Voltage Drop Relay
Short-time Voltage Drop Relay
- Preventive maintenance
- For better productivity
DOLD SL 9086 – Phase monitor with thermistor motor protection
Phase monitor with thermistor motor protection
DOLD SL 9087 – Phase monitor
Phase monitor
DOLD SL 9094 – Temperature Monitoring Relay
Temperature Monitoring Relay
- Preventive maintenance
- For better productivity
- Quicker fault locating
DOLD SL 9151 – Level Sensing Relay
Level Sensing Relay
- 3 probe connections for 2-point and 1-point level control
- Large setting range: 2 … 450 kΩ
DOLD SL 9163 – Thermistor Motor Protection Relay
Thermistor Motor Protection Relay
DOLD SL 9171 – Undervoltage Relay
Undervoltage Relay
DOLD SL 9270 – Overcurrent Relay
Overcurrent Relay
DOLD SL 9270CT – Overcurrent Relay
Overcurrent Relay
DOLD SL 9271 – Undercurrent Relay
Undercurrent Relay
DOLD SL 9271CT – Undercurrent Relay
Undercurrent Relay
DOLD SL 9277 – Over- and Undercurrent Relay
Over- and Undercurrent Relay
- Detects over- and undercurrent
- With built in current transformer for 0.5 … 100 A
- IL 9277, SL 9277 with 4 programmable ranges
- Separate setting for over- and undercurrent
- Settable time delay
DOLD SL 9277CT – Over- and Undercurrent Relay
Over- and Undercurrent Relay
- Detects over- and undercurrent
- With built in current transformer for 0.5 … 100 A
- IL 9277, SL 9277 with 4 programmable ranges
- Separate setting for over- and undercurrent
- Settable time delay
DOLD SL 9837 – Frequency Relay
Frequency Relay
DOLD SN 7920 – Multifunction relay
Multifunction relay
- Higher flexibility (8 function in one unit)
- To switch high DC-loads with mechanical forcibly guided contacts according to IEC 61810-3
DOLD SP 3078 – Interface module
Interface module
- According to IEC/EN 60947-5-1, IEC/EN 61810-1
- Simple contact multiplication and amplification
- Simple monitoring of the switching status via positively driven NC contacts
- As option goldplated contacts to switch low loads
DOLD SP 9075 – Fuse Monitor
Fuse Monitor
- Increased system availability through early detection of fuse failures, which can cause considerable damage to systems
- Rapid detection of fuse failures, even when consumers are switched off, ensures system availability at the earliest possible point in time
- Reliable detection of fuse failure, even with an unbalanced or harmonic network and with regenerative motors
DOLD SP 9077 – Over- and undervoltage relay
Over- and undervoltage relay
- Preventive maintenance
- For better productivity