Siemens Device circuit breaker 5SY1702-21p w.auxiliary contact make contact character.

Need a last-minute gift?Discover our instantly available digital vouchers
Delivered between 29.1.2026 and 12.2.2026
Free shipping starting at 50.–

Electric current output4

Product details

The 5SY1702-21p device protection switch from Siemens is a reliable auxiliary relay designed for use in electrical installations. With a rated voltage of 230 volts and an output current of 2 amperes, this device is ideal for applications that require precise control and protection. The switch features a normally closed characteristic, allowing for safe and efficient switching. It complies with the IEC 60934 standard and offers a high short-circuit strength of 3 kA, making it a robust choice for various electrical systems. The device protection switch is compact and easy to install, making it a practical solution for professionals in the field of electrical engineering. While its use in smart home applications is not intended, it is suitable for a variety of industrial and commercial applications.

  • Input voltage of 230 V for versatile applications
  • Output current of 2 A, ideal for smaller loads
  • High short-circuit strength of 3 kA according to IEC 60934
  • Compact design for easy installation.

Key specifications

Scope of delivery
2A 5SY17022Circuit breaker 1-pole with auxiliary switch NO contact characteristic F1
Output current type
AC/DC
Relay type
Installation relay
Electric current output
2 A
Output voltage
230 V
input voltage
230 V
Number of poles
1x
Item number
31971468

General information

Manufacturer
Siemens
Category
Relays
Manufacturer no.
5SY17022
Release date
24.10.2022

Relay properties

Relay type
Installation relay
input voltage
230 V
Output voltage
230 V
Electric current output
2 A
Output current type
AC/DC
Switching function
Normally open
Number of closers
1x
Number of poles
1x
Manufacturer Type
5SY1702-2

Smart home features

Smart Home
Not compatible

Origin

Country of origin
Romania

Sustainability

Manufacturer commitment
RE100SBTi

Voluntary climate contribution

Manufacturer compensation
According to RE100, the manufacturer Siemens fully compensates for its energy consumption, leading to a reduction in emissions.
CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
2A 5SY17022Circuit breaker 1-pole with auxiliary switch NO contact characteristic F1

Product dimensions

Length
70 mm

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

Compare products

Goes with

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
  • 8.Hager
    0.7 %
  • 8.Schalk
    0.7 %
  • 10.Aqara
    1.2 %
  • 10.Siemens
    1.2 %
  • 12.Shelly
    1.4 %

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
  • 1.Siemens
    0 days
  • 2.Shelly
    2 days

Return rate

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

Source: Digitec Galaxus
  • 5.Eaton
    2 %
  • 6.Shelly
    2.1 %
  • 7.Siemens
    2.3 %
  • 8.Hager
    2.4 %
  • 9.Finder
    2.6 %
Source: Digitec Galaxus