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Power Electronics Three-phase Voltage Monitor Διαδοχής με Ρυθμιζόμενο Άνω και Κάτω Όριο PT439-8
Voltage Monitors

Power Electronics Three-phase Voltage Monitor Διαδοχής με Ρυθμιζόμενο Άνω και Κάτω Όριο PT439-8

Key features:

  • Number of Phases: 3
  • Voltage: 230V
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Top specs

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  • Protection Type

    Overvoltage

    Monitors current consumption in Amperes (A). If the connected devices draw more current than the safety limit, the monitor cuts off the supply to prevent overheating of the cables and the risk of fire.

    Undervoltage

    Protects against dangerous voltage drops (e.g. < 190V). It is essential for devices with motors and compressors (air conditioners, refrigerators, pumps), which overheat and are damaged when they try to operate at low voltage.

    Phase Sequence

    Ensures that the phases are connected in the correct sequence (L1, L2, L3). Prevents three-phase motors and pumps from rotating in reverse, avoiding serious mechanical damage.
43 83 €
Delivery by Thu, 19 Nov
14,00 €   shipping cost
Sent from Greece
From E-kousis 5.0 (5)
5.0 (5 reviews)
Greece
2 pieces
See Electrical Panel Supplies on the page of E-kousis

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Description & Specifications

The Power Electronics PT439-8 three-phase voltage monitoring relay monitors the voltage on each of the three phases, as well as phase or neutral loss and phase sequence. It is used to protect three-phase loads from mains abnormalities, such as asynchronous motors and submersible pumps. The relay activates when the phases are within the set limits and deactivates in the event of a complete phase or neutral loss.

  • Type: Three-phase
  • Mounting: DIN rail
  • Undervoltage setting: 170–215 VAC
  • Overvoltage setting: 240–260 VAC
  • Monitoring: Phase sequence and phase or neutral loss
  • Output relay: One changeover contact, 10 A / 250 VAC, AC1 category
  • LED indicators: RELAY ON and POWER ON
  • Protection: Varistor protection against surges and lightning
  • Connection base: Tube type, 8-pin
  • Operating temperature: -20 °C to +50 °C
  • Enclosure: Plastic housing
  • Dimensions: 42 × 89 × 100 mm

Manufacturer

Manufacturer Details

Warnings & Safety Information
Placement
Rail
Type
Three-phase
Rated Contact Current
-

Rated Contact Current

Indicates the maximum current intensity (in Amperes) that the device can safely handle.
Digital
No
Protection Type
Overvoltage, Undervoltage, Phase Sequence

Protection Type

Overvoltage

Monitors current consumption in Amperes (A). If the connected devices draw more current than the safety limit, the monitor cuts off the supply to prevent overheating of the cables and the risk of fire.

Undervoltage

Protects against dangerous voltage drops (e.g. < 190V). It is essential for devices with motors and compressors (air conditioners, refrigerators, pumps), which overheat and are damaged when they try to operate at low voltage.

Phase Sequence

Ensures that the phases are connected in the correct sequence (L1, L2, L3). Prevents three-phase motors and pumps from rotating in reverse, avoiding serious mechanical damage.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

43,83 €
14,00 €   shipping cost