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Siemens SIRIUS 3RT29 Contactor Coil Surge Suppressor

Siemens SIRIUS 3RT29 Contactor Coil Surge Suppressor

  • Brand: Siemens
  • Product Code: 3RT29 surge suppressor

Prices are prepared per project according to capacity, energy type and delivery terms.

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Siemens SIRIUS 3RT29 surge suppressors: limit overvoltages when the contactor coil is switched off, protecting control electronics (PLC outputs etc.). Varistor, RC, diode and LED versions.

Technical data

Series3RT29x6 / 3RT1956
Product typeCoil surge suppressor
TypesVaristor, RC element, suppression diode, diode assembly; versions with LED
Suitable for3RT2 contactors (S00–S3), 3RH2 contactor relays, 3RT1 (S6–S12)
Voltage ranges24–600 V AC / 12–250 V DC (by type)

Article numbers

Contactor sizeTypeAC coil voltageDC coil voltageArticle No.
S00Varistor24–48 V AC24–70 V DC3RT2916-1BB00
S00Varistor48–127 V AC70–150 V DC3RT2916-1BC00
S00Varistor127–240 V AC150–250 V DC3RT2916-1BD00
S00Varistor240–400 V AC–3RT2916-1BE00
S00Varistor400–600 V AC–3RT2916-1BF00
S00RC element24–48 V AC24–70 V DC3RT2916-1CB00
S00RC element48–127 V AC70–150 V DC3RT2916-1CC00
S00RC element127–240 V AC150–250 V DC3RT2916-1CD00
S00RC element240–400 V AC–3RT2916-1CE00
S00RC element400–600 V AC–3RT2916-1CF00
S00Suppression diode–12–250 V DC3RT2916-1DG00
S00Diode assembly (diode + Zener)–12–250 V DC3RT2916-1EH00
S0Varistor24–48 V AC24–70 V DC3RT2926-1BB00
S0Varistor48–127 V AC70–150 V DC3RT2926-1BC00
S0Varistor127–240 V AC150–250 V DC3RT2926-1BD00
S0Varistor240–400 V AC–3RT2926-1BE00
S0Varistor400–600 V AC–3RT2926-1BF00
S0RC element24–48 V AC24–70 V DC3RT2926-1CB00
S0RC element48–127 V AC70–150 V DC3RT2926-1CC00
S0RC element127–240 V AC150–250 V DC3RT2926-1CD00
S0RC element240–400 V AC–3RT2926-1CE00
S0RC element400–600 V AC–3RT2926-1CF00
S0Diode assembly (diode + Zener)–24 V DC3RT2926-1ER00
S0Diode assembly (diode + Zener)–30–250 V DC3RT2926-1ES00
S2/S3Varistor24–48 V AC24–70 V DC3RT2936-1BB00
S2/S3Varistor48–127 V AC70–150 V DC3RT2936-1BC00
S2/S3Varistor127–240 V AC150–250 V DC3RT2936-1BD00
S2/S3Varistor240–400 V AC–3RT2936-1BE00
S2/S3Varistor400–600 V AC–3RT2936-1BF00
S2/S3RC element24–48 V AC24–70 V DC3RT2936-1CB00
S2/S3RC element48–127 V AC70–150 V DC3RT2936-1CC00
S2/S3RC element127–240 V AC150–250 V DC3RT2936-1CD00
S2/S3RC element240–400 V AC–3RT2936-1CE00
S2/S3RC element400–600 V AC–3RT2936-1CF00
S2/S3Diode assembly (diode + Zener)–24 V DC3RT2936-1ER00
S2/S3Diode assembly (diode + Zener)–30–250 V DC3RT2936-1ES00
S3RC element24–48 V AC24–70 V DC3RT2946-1CB00
S3RC element48–127 V AC70–150 V DC3RT2946-1CC00
S3RC element127–240 V AC150–250 V DC3RT2946-1CD00
S3RC element240–400 V AC–3RT2946-1CE00
S3RC element400–600 V AC–3RT2946-1CF00
S6–S12RC element24–48 V AC24–70 V DC3RT1956-1CB00
S6–S12RC element48–127 V AC70–150 V DC3RT1956-1CC00
S6–S12RC element127–240 V AC150–250 V DC3RT1956-1CD00
S6–S12RC element240–400 V AC–3RT1956-1CE00
S6–S12RC element400–600 V AC–3RT1956-1CF00
S6–S12RC element24–48 V AC24–70 V DC3RT1956-1CB02
S6–S12RC element48–127 V AC70–150 V DC3RT1956-1CC02
S6–S12RC element127–240 V AC150–250 V DC3RT1956-1CD02
S6–S12RC element240–400 V AC–3RT1956-1CE02
S6–S12RC element400–600 V AC–3RT1956-1CF02
S00Varistor, with LED24–48 V AC12–24 V DC3RT2916-1JJ00
S00Varistor, with LED48–127 V AC24–70 V DC3RT2916-1JK00
S00Varistor, with LED127–240 V AC70–150 V DC3RT2916-1JL00
S00Varistor, with LED–150–250 V DC3RT2916-1JP00
S00Suppression diode, with LED–24–70 V DC3RT2916-1LM00
S00Suppression diode, with LED–70–150 V DC3RT2916-1LN00
S00Suppression diode, with LED–150–250 V DC3RT2916-1LP00
S0Varistor, with LED24–48 V AC12–24 V DC3RT2926-1JJ00
S0Varistor, with LED48–127 V AC24–70 V DC3RT2926-1JK00
S0Varistor, with LED127–240 V AC70–150 V DC3RT2926-1JL00
S0Diode assembly (diode + Zener), with LED–24 V DC3RT2926-1MR00
S2/S3Varistor, with LED24–48 V AC12–24 V DC3RT2936-1JJ00
S2/S3Varistor, with LED48–127 V AC24–70 V DC3RT2936-1JK00
S2/S3Varistor, with LED127–240 V AC70–150 V DC3RT2936-1JL00

Technical data and article numbers are based on Siemens catalog IC 10 · 2026 (chapter 3, contactor accessories) and are for information only. Image is representative.

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