DOLD IP 9109.17/107 – Undervoltage relay, for medical rooms
Undervoltage relay, for medical rooms
- zuverlässige Netzüberwachung durch zweikanalige Spannungsmessung
- hohe Schaltsicherheit durch zwangsgeführte Ausgangskontakte
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Monitoring devices
273 products
DOLD IP 9109.27/107 – Undervoltage relay
Undervoltage relay
- Mit Selbsthaltefunktion (Speicherung)
- Präventive Wartung
- Für höhere Produktivität
DOLD IP 9110/107 – Undervoltage relay
Undervoltage relay
- Präventive Wartung
- Für höhere Produktivität
DOLD IP 9270 – Overcurrent Relay
Overcurrent Relay
DOLD IP 9271 – Undercurrent Relay
Undercurrent Relay
DOLD IP 9277 – Over- and Undercurrent Relay
Over- and Undercurrent Relay
DOLD IP 9278 – Current Asymmetry Relay
Current Asymmetry Relay
- Preventive maintenance
- For better productivity
- Quicker fault locating
- Auxiliary supply and measuring input galvanic separated
- With integrated current transformer
DOLD IR 5882 – Residual current monitor, Type A, with integrated transformer
Residual current monitor, Type A, with integrated transformer
- Preventive fire and system protection
- Increasing the availability of plants by early fault detection
- With internal residual current transformer
- Protection against manipulation by sealable transparent cover over setting switches
DOLD IR 9112/710 – IT Line monitor
IT Line monitor
DOLD IS 9112/711 – IT Line monitor
IT Line monitor
DOLD IS 9112/712 – IT Line monitor
IT Line monitor
DOLD LG 5130 – Noise filter
Noise filter
- Reliable operation of measuring relays and other low consumption loads in systems with high frequency noise
- Protection of measuring inputs / measuring relays by reduction of noise
- More precise and constant measuring results
- Increasing the availability of plants
DOLD LK 5894 – Insulation monitor
Insulation monitor
- Preventive fire and system protection
- Quick fault localisation through selective earth fault detection to L+ and L-
- Universal application in non-earthed AC, DC, AC/DC networks with up to 690 V nominal voltage
- Suitable for large leakage capacitances up to 1000 μF
- Simplest setting via engaging rotary switches
DOLD LK 5895 – Insulation monitor
Insulation monitor
- Preventive fire and system protection
- Quick fault localisation through selective earth fault detection to L+ and L-
- Universal application in non-earthed AC, DC, AC/DC networks with up to 1000 V nominal voltage
- Suitable for large leakage capacitances up to 3000 μF
- Simplest setting via engaging rotary switches
DOLD LK 5896 – Insulation monitor
Insulation monitor
- Preventive fire and system protection
- Quick fault localisation through selective earth fault detection to L+ and L-
- Universal application in non-earthed AC, DC, AC/DC networks with up to 1000 V nominal voltage
- Suitable for large leakage capacitances up to 3000 μF
- Simplest setting via engaging rotary switches
DOLD LK 5896/900 – Insulation monitor
Insulation monitor
- Preventive fire and system protection
- System for sequential monitoring of separated voltage systems, that can be coupled
- Quick fault localisation through selective earth fault detection to L+ and L-
- Universal application in non-earthed AC, DC, AC/DC networks with up to 1000 V nominal voltage
- Suitable for large leakage capacitances up to 3000 μF
DOLD MH 5880 – Insulation monitor
Insulation monitor
DOLD MH 9055 – Speed Monitor
Speed Monitor
- Protection of machines and products
- Easy setting
- Universal input, for configuration of different sensors (PNP, NPN, 2-wire, contact, voltage)
- With fast reaction at low speed
DOLD MH 9055/5__ – Speed monitor
Speed monitor
- Protection of machines and products
- Easy setting
- Universal input, for configuration of different sensors (PNP, NPN, 2-wire, contact, voltage)
- With fast reaction at low speed
DOLD MH 9063 – Current relay
Current relay
- Preventive maintenance
- For better productivity
- Quicker fault locating
- Precise and reliable
- Min-, Max. value or window monitoring
DOLD MH 9064 – Voltage relay
Voltage relay
- Preventive maintenance
- For better productivity
- Quicker fault locating
- Precise and reliable
- Min-, Max. value or window monitoring
DOLD MH 9143 – Mains Frequency Monitor
Mains Frequency Monitor
- Monitoring of 50 – and 60 Hz-current supply on over- and underfrequency
- For precise frequency measuring with fast response time
- High disturbance immunity
- Separately adjustable trip points and separate outputs for overand underfrequency (1 or 2 c/o each)
DOLD MH 9300 – Multifunction measuring relay
Multifunction measuring relay
- Min-, Max. value or window monitoring
- Simultaneous monitoring of up to 9 different parameters
- Simple configuration and fault diagnostic
- Different fault indications
- Large measuring range 3 AC 24 … 690 V
DOLD MH 9352/001 – Phase monitor
Phase monitor
- Space and cost saving due to 3 devices in one housing
- Easy fault diagnostics by 3 separate DEL- Overvoltage- Undervoltage- Phase sequence and power failure
- Differentiated error transfer to PLC possible, e.g. for logging of error type and time
- Large measuring range 3 AC 85 … 550 V by built-in power supply with wide voltage range