You are here:

All products

7376 products

Showing 409–432 of 7376 results

DOLD MH 9143 – Mains Frequency Monitor

DOLD MH 9143 – Mains Frequency Monitor

45 mm

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

DOLD MH 9300 – Multifunction measuring relay

45 mm

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

DOLD MH 9352/001 – Phase monitor

45 mm

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
DOLD MH 9352/003 – Phase Monitor

DOLD MH 9352/003 – Phase Monitor

45 mm

Phase Monitor

  • Most effective adaption to the application by 2 separated time delay functions for response value and reset value
  • Universal usage by selection of nominal voltage (4 steps)
  • Always the right unit in stock
DOLD MH 9398 – Active power transducer

DOLD MH 9398 – Active power transducer

45 mm

Active power transducer

  • Universal use because of relay- and analogue outputs
  • Reliability overload detection by active power measuring
  • To extend the life of your electric drives
  • Preventive maintenance
  • Quicker fault locating
DOLD MK 5130N – Noise filter

DOLD MK 5130N – Noise filter

22.5 mm

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 MK 7853N – Star-Delta-Timer

DOLD MK 7853N – Star-Delta-Timer

22.5 mmStar-Delta-Timer

Star-Delta-Timer

  • Limiting the starting current
  • Reduced power consumption of the three-phase motor during the start-up phase
  • Prevention of tripping of overcurrent protection devices