• Siemens 5TT3 Level Relays and Line Circuit Relays
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Siemens 5TT3 Level Relays and Line Circuit Relays

Siemens 5TT3 Level Relays and Line Circuit Relays

Siemens 5TT3 level relays for liquid level monitoring and line circuit relays that interrupt circuits with no active loads, with matching accessories.

Key features

  • 5TT3435 level relay for conductive liquids, setting range 2-450 kOhm
  • Adjustable response and OFF delay 0.2-20 s; electrode cable up to 3000 m
  • 5TT3171 line circuit relay disconnects cables when no load is active (field reduction)
  • Immersion electrode 5TG8223 for pure water in open containers
  • Base load resistor 5TG8222 for electronic loads

Specifications

Series 5TT3 / 5TG8
Rated frequency 50/60 Hz
Control circuit voltage 230 V AC
Standards IEC 60255; DIN VDE 0435-110
Mounting DIN rail
Source Siemens Catalog LV 10 · 2026, p. 880-881
5TT3435 Item: Level relay | Rating: 250 V AC, 5 A | Detail: Liquid level 2-450 kOhm, Uc 230 V AC
5TG8223 Item: Immersion electrode (accessory) | Rating: 0-60 °C | Detail: Stainless steel, PG13, terminal conn.
5TT3171 Item: Line circuit relay | Rating: 250 V AC, 16 A, 1 NC | Detail: Response 2-20 VA adjustable, Uc 230 V AC
5TG8222 Item: Base load resistor (accessory) | Rating: For electronic devices | Detail: 15 cm wires, end sleeves, shrink sleeve
Monitoring RelaysSiemens
4 product codes available in this family
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Siemens 5TT3 Level Relays and Line Circuit Relays

Brand Siemens·Monitoring Relays

Available part numbers (4)

5TT3435, 5TG8223, 5TT3171, 5TG8222

How to order

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Product codes & specifications
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RFQ List (0)
Product codeSpec
5TT3435Item: Level relay | Rating: 250 V AC, 5 A | Detail: Liquid level 2-450 kOhm, Uc 230 V AC
5TG8223Item: Immersion electrode (accessory) | Rating: 0-60 °C | Detail: Stainless steel, PG13, terminal conn.
5TT3171Item: Line circuit relay | Rating: 250 V AC, 16 A, 1 NC | Detail: Response 2-20 VA adjustable, Uc 230 V AC
5TG8222Item: Base load resistor (accessory) | Rating: For electronic devices | Detail: 15 cm wires, end sleeves, shrink sleeve

Need a different model, or a part not listed here? Send us your parts list →

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