Dold Undervoltage relay

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Output voltage2

Product details

Dold & Söhne Under-voltage Relay IL9071.12 3/N AC400V

Manufacturer: Dold & Söhne
Designation: Under-voltage relay
Type: IL9071.12 3/N AC400V
Rated voltage: 400 V
Rated frequency: 50..60 Hz
Specified measurement range: 3N, 400/230 V
Max. switching power: 6 VA
Release delay: 0 ms
Voltage type: AC
Mounting type: DIN rail
Width in pitch units: 2
Installation height: 61 mm
Protection class (IP): IP20

The Dold & Söhne Under-voltage Relay IL9071.12 3/N AC400V is designed to monitor AC and three-phase networks for under-voltage, asymmetry, or phase failure, and to activate emergency lighting according to DIN VDE 0108. It is also suitable for neutral conductor monitoring in three-phase networks. In three-phase systems with a neutral conductor, not only three-phase symmetrical loads but also certain single-phase loads and control circuits are often connected to the neutral conductor. If there is a break in the neutral conductor in such a system, the unsymmetrical load can lead to dangerous voltage imbalances relative to the disconnected neutral conductor. This can result in single-phase connected devices being destroyed by overvoltages or becoming non-functional due to undervoltages, even though no fuse has blown. The IL 9071 detects such network conditions and can immediately shut down the system.

Key specifications

Relay type
Monitoring relay
input voltage
400 V
Output voltage
400 V
Output current type
AC
Number of poles
3x

General information

Item number
36749194
Manufacturer
Dold
Category
Relays
Manufacturer No.
0043070
Release date
28.6.2023
External links
Manufacturer's site (de)

Relay properties

Relay type
Monitoring relay
input voltage
400 V
Output voltage
400 V
Output current type
AC
Number of poles
3x
Max. Switching capacity
0 kW

Smart home features

Smart home
Not compatible

Origin

Country of origin
Germany

Voluntary climate contribution

CO₂ emissions
29.26 kg
Climate contribution
CHF 0.70

Scope of delivery

Scope of delivery
Asymmetry or phase failure and for switching on safety lighting in accordance with DIN VDE 0108. Also suitable for neutral conductor monitoring in three-phase networks., For monitoring AC and three-phase networks for undervoltage

Product dimensions

Height
61 mm

30-day right of return
24 Months Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Relays» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • Dold
    Not enough data
  • 1.ABB
    0 %
  • 1.Metz Connect
    0 %
  • 1.Phoenix Contact
    0 %
  • 1.Schneider Electric
    0 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Dold
    Not enough data
  • 1.Shelly
    1 day
  • ABB
    Not enough data
  • Aqara
    Not enough data
  • Eaton
    Not enough data

Return rate

How often is a product of this brand in the «Relays» category returned?

Source: Digitec Galaxus
  • Dold
    Not enough data
  • 1.Metz Connect
    0 %
  • 1.Phoenix Contact
    0 %
  • 3.Tru Components
    0.5 %
  • 4.Schalk
    1.2 %
Source: Digitec Galaxus