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Schalk SCHA Mains isolator

Price in EUR including VAT
Ratings
BrandMore from Schalk
Delivered between 15.1.2026 and 22.1.2026
free shipping

Product details

Schalk Network Field Cut-Off Relay NFA U2

Manufacturer: Schalk
Designation: Network Field Cut-Off Relay UP
Type: NFA U2
Rated Voltage: 230 V
Rated Current: 16 A
Rated Frequency: 50..60 Hz
Max. Incandescent Lamp Load: 600 W
Max. Fluorescent Lamp Load: 140 VA
Max. Fluorescent Lamp Load (parallel compensated): 250 VA
Switch-On Threshold Power: 12.5..500 VA
Switch-On Threshold Current: 5..200 mA
Monitoring Voltage: DC
Mounting Type: Other
Installation Depth: 18.5 mm

The Network Field Cut-Off Relay NFA U2 monitors the circuit and disconnects the mains voltage as soon as the last consumer is turned off. This also disconnects the electric fields. The monitoring voltage is only 2.5 V DC. The use of such devices is particularly recommended for bedroom circuits (rest areas).

With the very compact NFA U2, the installation in a junction box allows for splitting a circuit into a monitored part and a continuously supplied part, which significantly simplifies installation, especially in older systems.

TVE/TVA - 0.1/10 s, Monitoring Voltage 2.5 V DC, Operating Voltage 230 V AC, 1 Normally Open Contact 10 A, Dimensions: 18 x 55 mm, EAN: 4046929501019.

Key specifications

Area of use
Inside
Mounting type
Built-in installation
Item number
34047351

General information

Manufacturer
Schalk
Category
Timers
Manufacturer no.
NFAU29
Release date
17.5.2023

Application range

Area of use
Inside

Timer properties

Mounting type
Built-in installation

Power supply

Power supply
Electrical connection
Electric current
16 A
Nominal voltage
230 V

Smart home features

Smart Home
Not compatible
Requires Smart Home Hub
No

Scope of delivery

Scope of delivery
1 piece

Origin

Country of origin
Germany

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Height
55 mm

Legal Notice

Product Safety

Package dimensions

Length
5 cm
Width
5 cm
Height
2.50 cm
Weight
46 g

14-day cancellation right
30-day right of return
24 Months statutory warranty
Report concern

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Goes with

Reviews & Ratings

Statutory warranty score

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

Source: Galaxus
  • Schalk
    Not enough data
  • 1.Renkforce
    0,2 %
  • 2.Theben
    0,5 %
  • 3.Hager
    0,6 %
  • 4.Brennenstuhl
    1,4 %

Statutory 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: Galaxus
  • Schalk
    Not enough data
  • 1.Brennenstuhl
    0 days
  • 2.Shelly
    3 days
  • As - Schwabe
    Not enough data
  • Goobay
    Not enough data

Return rate

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

Source: Galaxus
  • Schalk
    Not enough data
  • 1.Theben
    1,4 %
  • 2.Hager
    2,4 %
  • 3.Brennenstuhl
    3,4 %
  • 3.Renkforce
    3,4 %
Source: Galaxus