• Siemens SENTRON 5TT44 remote control switches (20-63 A)
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Siemens SENTRON 5TT44 remote control switches (20-63 A)

Siemens SENTRON 5TT44 remote control switches (20-63 A)

SENTRON 5TT44 remote control switches for 20 A to 63 A, for AC applications with 230 V or 24 V AC control voltage and DC applications with 24 V DC.

Key features

  • Rated operational currents 20, 25, 32, 40 and 63 A
  • Contact versions from 1 NO up to 4 NO and 2 NO + 2 NC
  • AC versions with retrofittable auxiliary switches
  • DC application versions with 24 V DC control voltage
  • Central and group switching via add-on central switches

Specifications

Brand Siemens SENTRON
Series 5TT44
Mounting DIN rail, modular installation device
Conductor cross-section 1 ... 10 mm2 (20-32 A), 2.5 ... 25 mm2 (40-63 A)
Manufacturer Siemens
Source Siemens Catalog LV 10 · 2026, p. 474-477
5TT4405-0 Application: AC | Rated current: 20 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 230 V AC | Mounting width: 1 MW
5TT4425-0 Application: AC | Rated current: 25 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 230 V AC | Mounting width: 1 MW
5TT4455-0 Application: AC | Rated current: 32 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 230 V AC | Mounting width: 1 MW
5TT4465-0 Application: AC | Rated current: 40 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 230 V AC | Mounting width: 2 MW
5TT4475-0 Application: AC | Rated current: 63 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 230 V AC | Mounting width: 2 MW
5TT4405-2 Application: AC | Rated current: 20 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 24 V AC | Mounting width: 1 MW
5TT4425-2 Application: AC | Rated current: 25 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 24 V AC | Mounting width: 1 MW
5TT4455-2 Application: AC | Rated current: 32 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 24 V AC | Mounting width: 1 MW
5TT4465-2 Application: AC | Rated current: 40 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 24 V AC | Mounting width: 2 MW
5TT4475-2 Application: AC | Rated current: 63 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 24 V AC | Mounting width: 2 MW
5TT4402-0 Application: AC | Rated current: 20 A | Contacts: 2 NO | Ue: 440 V | Uc: 230 V AC | Mounting width: 1 MW
5TT4422-0 Application: AC | Rated current: 25 A | Contacts: 2 NO | Ue: 440 V | Uc: 230 V AC | Mounting width: 1 MW
5TT4452-0 Application: AC | Rated current: 32 A | Contacts: 2 NO | Ue: 440 V | Uc: 230 V AC | Mounting width: 1 MW
5TT4462-0 Application: AC | Rated current: 40 A | Contacts: 2 NO | Ue: 440 V | Uc: 230 V AC | Mounting width: 2 MW
5TT4472-0 Application: AC | Rated current: 63 A | Contacts: 2 NO | Ue: 440 V | Uc: 230 V AC | Mounting width: 2 MW
5TT4402-2 Application: AC | Rated current: 20 A | Contacts: 2 NO | Ue: 440 V | Uc: 24 V AC | Mounting width: 1 MW
5TT4422-2 Application: AC | Rated current: 25 A | Contacts: 2 NO | Ue: 440 V | Uc: 24 V AC | Mounting width: 1 MW
5TT4452-2 Application: AC | Rated current: 32 A | Contacts: 2 NO | Ue: 440 V | Uc: 24 V AC | Mounting width: 1 MW
5TT4462-2 Application: AC | Rated current: 40 A | Contacts: 2 NO | Ue: 440 V | Uc: 24 V AC | Mounting width: 2 MW
5TT4472-2 Application: AC | Rated current: 63 A | Contacts: 2 NO | Ue: 440 V | Uc: 24 V AC | Mounting width: 2 MW
5TT4428-0 Application: AC | Rated current: 25 A | Contacts: 2 CO | Ue: 440 V | Uc: 230 V AC | Mounting width: 2 MW
5TT4458-0 Application: AC | Rated current: 32 A | Contacts: 2 CO | Ue: 440 V | Uc: 230 V AC | Mounting width: 2 MW
5TT4468-0 Application: AC | Rated current: 40 A | Contacts: 2 CO | Ue: 440 V | Uc: 230 V AC | Mounting width: 2 MW
5TT4478-0 Application: AC | Rated current: 63 A | Contacts: 2 CO | Ue: 440 V | Uc: 230 V AC | Mounting width: 2 MW
5TT4428-2 Application: AC | Rated current: 25 A | Contacts: 2 CO | Ue: 440 V | Uc: 24 V AC | Mounting width: 2 MW
5TT4458-2 Application: AC | Rated current: 32 A | Contacts: 2 CO | Ue: 440 V | Uc: 24 V AC | Mounting width: 2 MW
5TT4468-2 Application: AC | Rated current: 40 A | Contacts: 2 CO | Ue: 440 V | Uc: 24 V AC | Mounting width: 2 MW
5TT4478-2 Application: AC | Rated current: 63 A | Contacts: 2 CO | Ue: 440 V | Uc: 24 V AC | Mounting width: 2 MW
5TT4424-0 Application: AC | Rated current: 25 A | Contacts: 4 NO | Ue: 440 V | Uc: 230 V AC | Mounting width: 2 MW
5TT4454-0 Application: AC | Rated current: 32 A | Contacts: 4 NO | Ue: 440 V | Uc: 230 V AC | Mounting width: 2 MW
5TT4464-0 Application: AC | Rated current: 40 A | Contacts: 4 NO | Ue: 440 V | Uc: 230 V AC | Mounting width: 4 MW
5TT4474-0 Application: AC | Rated current: 63 A | Contacts: 4 NO | Ue: 440 V | Uc: 230 V AC | Mounting width: 4 MW
5TT4424-2 Application: AC | Rated current: 25 A | Contacts: 4 NO | Ue: 440 V | Uc: 24 V AC | Mounting width: 2 MW
5TT4454-2 Application: AC | Rated current: 32 A | Contacts: 4 NO | Ue: 440 V | Uc: 24 V AC | Mounting width: 2 MW
5TT4464-2 Application: AC | Rated current: 40 A | Contacts: 4 NO | Ue: 440 V | Uc: 24 V AC | Mounting width: 4 MW
5TT4474-2 Application: AC | Rated current: 63 A | Contacts: 4 NO | Ue: 440 V | Uc: 24 V AC | Mounting width: 4 MW
5TT4426-0 Application: AC | Rated current: 25 A | Contacts: 2 NO + 2 NC | Ue: 440 V | Uc: 230 V AC | Mounting width: 2 MW
5TT4456-0 Application: AC | Rated current: 32 A | Contacts: 2 NO + 2 NC | Ue: 440 V | Uc: 230 V AC | Mounting width: 2 MW
5TT4466-0 Application: AC | Rated current: 40 A | Contacts: 2 NO + 2 NC | Ue: 440 V | Uc: 230 V AC | Mounting width: 4 MW
5TT4476-0 Application: AC | Rated current: 63 A | Contacts: 2 NO + 2 NC | Ue: 440 V | Uc: 230 V AC | Mounting width: 4 MW
5TT4426-2 Application: AC | Rated current: 25 A | Contacts: 2 NO + 2 NC | Ue: 440 V | Uc: 24 V AC | Mounting width: 2 MW
5TT4456-2 Application: AC | Rated current: 32 A | Contacts: 2 NO + 2 NC | Ue: 440 V | Uc: 24 V AC | Mounting width: 2 MW
5TT4466-2 Application: AC | Rated current: 40 A | Contacts: 2 NO + 2 NC | Ue: 440 V | Uc: 24 V AC | Mounting width: 4 MW
5TT4476-2 Application: AC | Rated current: 63 A | Contacts: 2 NO + 2 NC | Ue: 440 V | Uc: 24 V AC | Mounting width: 4 MW
5TT4407-0 Application: AC | Rated current: 20 A | Contacts: 1 CO | Ue: 250 V | Uc: 230 V AC | Mounting width: 1 MW
5TT4407-2 Application: AC | Rated current: 20 A | Contacts: 1 CO | Ue: 250 V | Uc: 24 V AC | Mounting width: 1 MW
5TT4411-5 Application: DC | Rated current: 20 A | Contacts: 1 NO | Ue: 250 V | Uc: 24 V DC | Mounting width: 1 MW
5TT4431-5 Application: DC | Rated current: 25 A | Contacts: 1 NO | Ue: 250 V | Uc: 24 V DC | Mounting width: 1 MW
5TT4451-5 Application: DC | Rated current: 32 A | Contacts: 1 NO | Ue: 250 V | Uc: 24 V DC | Mounting width: 1 MW
5TT4412-5 Application: DC | Rated current: 20 A | Contacts: 2 NO | Ue: 440 V | Uc: 24 V DC | Mounting width: 1 MW
5TT4432-5 Application: DC | Rated current: 25 A | Contacts: 2 NO | Ue: 440 V | Uc: 24 V DC | Mounting width: 1 MW
5TT4452-5 Application: DC | Rated current: 32 A | Contacts: 2 NO | Ue: 440 V | Uc: 24 V DC | Mounting width: 1 MW
5TT4415-5 Application: DC | Rated current: 20 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 24 V DC | Mounting width: 1 MW
5TT4435-5 Application: DC | Rated current: 25 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 24 V DC | Mounting width: 1 MW
5TT4455-5 Application: DC | Rated current: 32 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 24 V DC | Mounting width: 1 MW
5TT4417-5 Application: DC | Rated current: 20 A | Contacts: 1 CO | Ue: 250 V | Uc: 24 V DC | Mounting width: 1 MW
5TT4437-5 Application: DC | Rated current: 25 A | Contacts: 1 CO | Ue: 250 V | Uc: 24 V DC | Mounting width: 1 MW
5TT4457-5 Application: DC | Rated current: 32 A | Contacts: 1 CO | Ue: 250 V | Uc: 24 V DC | Mounting width: 1 MW
5TT4930 Application: Accessory: auxiliary switch | Rated current: - | Contacts: 1 NO + 1 NC, 16 A | Ue: 250 V AC | Uc: - | Mounting width: 0.5 MW
5TT4931 Application: Accessory: central switch | Rated current: - | Contacts: Central function, with diode | Ue: 250 V AC | Uc: - | Mounting width: 0.5 MW
5TT4932 Application: Accessory: central switch | Rated current: - | Contacts: Group function, several diodes | Ue: 250 V AC | Uc: - | Mounting width: 0.5 MW
Coupling RelaysSiemens
61 product codes available in this family
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Siemens SENTRON 5TT44 remote control switches (20-63 A)

Brand Siemens·Coupling Relays

Available part numbers (61)

5TT4405-0, 5TT4425-0, 5TT4455-0, 5TT4465-0, 5TT4475-0, 5TT4405-2, 5TT4425-2, 5TT4455-2, 5TT4465-2, 5TT4475-2 + 51 more — see full table ↓

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Product codeSpec
5TT4405-0Application: AC | Rated current: 20 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 230 V AC | Mounting width: 1 MW
5TT4425-0Application: AC | Rated current: 25 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 230 V AC | Mounting width: 1 MW
5TT4455-0Application: AC | Rated current: 32 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 230 V AC | Mounting width: 1 MW
5TT4465-0Application: AC | Rated current: 40 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 230 V AC | Mounting width: 2 MW
5TT4475-0Application: AC | Rated current: 63 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 230 V AC | Mounting width: 2 MW
5TT4405-2Application: AC | Rated current: 20 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 24 V AC | Mounting width: 1 MW
5TT4425-2Application: AC | Rated current: 25 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 24 V AC | Mounting width: 1 MW
5TT4455-2Application: AC | Rated current: 32 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 24 V AC | Mounting width: 1 MW
5TT4465-2Application: AC | Rated current: 40 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 24 V AC | Mounting width: 2 MW
5TT4475-2Application: AC | Rated current: 63 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 24 V AC | Mounting width: 2 MW
5TT4402-0Application: AC | Rated current: 20 A | Contacts: 2 NO | Ue: 440 V | Uc: 230 V AC | Mounting width: 1 MW
5TT4422-0Application: AC | Rated current: 25 A | Contacts: 2 NO | Ue: 440 V | Uc: 230 V AC | Mounting width: 1 MW
5TT4452-0Application: AC | Rated current: 32 A | Contacts: 2 NO | Ue: 440 V | Uc: 230 V AC | Mounting width: 1 MW
5TT4462-0Application: AC | Rated current: 40 A | Contacts: 2 NO | Ue: 440 V | Uc: 230 V AC | Mounting width: 2 MW
5TT4472-0Application: AC | Rated current: 63 A | Contacts: 2 NO | Ue: 440 V | Uc: 230 V AC | Mounting width: 2 MW
5TT4402-2Application: AC | Rated current: 20 A | Contacts: 2 NO | Ue: 440 V | Uc: 24 V AC | Mounting width: 1 MW
5TT4422-2Application: AC | Rated current: 25 A | Contacts: 2 NO | Ue: 440 V | Uc: 24 V AC | Mounting width: 1 MW
5TT4452-2Application: AC | Rated current: 32 A | Contacts: 2 NO | Ue: 440 V | Uc: 24 V AC | Mounting width: 1 MW
5TT4462-2Application: AC | Rated current: 40 A | Contacts: 2 NO | Ue: 440 V | Uc: 24 V AC | Mounting width: 2 MW
5TT4472-2Application: AC | Rated current: 63 A | Contacts: 2 NO | Ue: 440 V | Uc: 24 V AC | Mounting width: 2 MW
5TT4428-0Application: AC | Rated current: 25 A | Contacts: 2 CO | Ue: 440 V | Uc: 230 V AC | Mounting width: 2 MW
5TT4458-0Application: AC | Rated current: 32 A | Contacts: 2 CO | Ue: 440 V | Uc: 230 V AC | Mounting width: 2 MW
5TT4468-0Application: AC | Rated current: 40 A | Contacts: 2 CO | Ue: 440 V | Uc: 230 V AC | Mounting width: 2 MW
5TT4478-0Application: AC | Rated current: 63 A | Contacts: 2 CO | Ue: 440 V | Uc: 230 V AC | Mounting width: 2 MW
5TT4428-2Application: AC | Rated current: 25 A | Contacts: 2 CO | Ue: 440 V | Uc: 24 V AC | Mounting width: 2 MW
5TT4458-2Application: AC | Rated current: 32 A | Contacts: 2 CO | Ue: 440 V | Uc: 24 V AC | Mounting width: 2 MW
5TT4468-2Application: AC | Rated current: 40 A | Contacts: 2 CO | Ue: 440 V | Uc: 24 V AC | Mounting width: 2 MW
5TT4478-2Application: AC | Rated current: 63 A | Contacts: 2 CO | Ue: 440 V | Uc: 24 V AC | Mounting width: 2 MW
5TT4424-0Application: AC | Rated current: 25 A | Contacts: 4 NO | Ue: 440 V | Uc: 230 V AC | Mounting width: 2 MW
5TT4454-0Application: AC | Rated current: 32 A | Contacts: 4 NO | Ue: 440 V | Uc: 230 V AC | Mounting width: 2 MW
5TT4464-0Application: AC | Rated current: 40 A | Contacts: 4 NO | Ue: 440 V | Uc: 230 V AC | Mounting width: 4 MW
5TT4474-0Application: AC | Rated current: 63 A | Contacts: 4 NO | Ue: 440 V | Uc: 230 V AC | Mounting width: 4 MW
5TT4424-2Application: AC | Rated current: 25 A | Contacts: 4 NO | Ue: 440 V | Uc: 24 V AC | Mounting width: 2 MW
5TT4454-2Application: AC | Rated current: 32 A | Contacts: 4 NO | Ue: 440 V | Uc: 24 V AC | Mounting width: 2 MW
5TT4464-2Application: AC | Rated current: 40 A | Contacts: 4 NO | Ue: 440 V | Uc: 24 V AC | Mounting width: 4 MW
5TT4474-2Application: AC | Rated current: 63 A | Contacts: 4 NO | Ue: 440 V | Uc: 24 V AC | Mounting width: 4 MW
5TT4426-0Application: AC | Rated current: 25 A | Contacts: 2 NO + 2 NC | Ue: 440 V | Uc: 230 V AC | Mounting width: 2 MW
5TT4456-0Application: AC | Rated current: 32 A | Contacts: 2 NO + 2 NC | Ue: 440 V | Uc: 230 V AC | Mounting width: 2 MW
5TT4466-0Application: AC | Rated current: 40 A | Contacts: 2 NO + 2 NC | Ue: 440 V | Uc: 230 V AC | Mounting width: 4 MW
5TT4476-0Application: AC | Rated current: 63 A | Contacts: 2 NO + 2 NC | Ue: 440 V | Uc: 230 V AC | Mounting width: 4 MW
5TT4426-2Application: AC | Rated current: 25 A | Contacts: 2 NO + 2 NC | Ue: 440 V | Uc: 24 V AC | Mounting width: 2 MW
5TT4456-2Application: AC | Rated current: 32 A | Contacts: 2 NO + 2 NC | Ue: 440 V | Uc: 24 V AC | Mounting width: 2 MW
5TT4466-2Application: AC | Rated current: 40 A | Contacts: 2 NO + 2 NC | Ue: 440 V | Uc: 24 V AC | Mounting width: 4 MW
5TT4476-2Application: AC | Rated current: 63 A | Contacts: 2 NO + 2 NC | Ue: 440 V | Uc: 24 V AC | Mounting width: 4 MW
5TT4407-0Application: AC | Rated current: 20 A | Contacts: 1 CO | Ue: 250 V | Uc: 230 V AC | Mounting width: 1 MW
5TT4407-2Application: AC | Rated current: 20 A | Contacts: 1 CO | Ue: 250 V | Uc: 24 V AC | Mounting width: 1 MW
5TT4411-5Application: DC | Rated current: 20 A | Contacts: 1 NO | Ue: 250 V | Uc: 24 V DC | Mounting width: 1 MW
5TT4431-5Application: DC | Rated current: 25 A | Contacts: 1 NO | Ue: 250 V | Uc: 24 V DC | Mounting width: 1 MW
5TT4451-5Application: DC | Rated current: 32 A | Contacts: 1 NO | Ue: 250 V | Uc: 24 V DC | Mounting width: 1 MW
5TT4412-5Application: DC | Rated current: 20 A | Contacts: 2 NO | Ue: 440 V | Uc: 24 V DC | Mounting width: 1 MW
5TT4432-5Application: DC | Rated current: 25 A | Contacts: 2 NO | Ue: 440 V | Uc: 24 V DC | Mounting width: 1 MW
5TT4452-5Application: DC | Rated current: 32 A | Contacts: 2 NO | Ue: 440 V | Uc: 24 V DC | Mounting width: 1 MW
5TT4415-5Application: DC | Rated current: 20 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 24 V DC | Mounting width: 1 MW
5TT4435-5Application: DC | Rated current: 25 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 24 V DC | Mounting width: 1 MW
5TT4455-5Application: DC | Rated current: 32 A | Contacts: 1 NO + 1 NC | Ue: 440 V | Uc: 24 V DC | Mounting width: 1 MW
5TT4417-5Application: DC | Rated current: 20 A | Contacts: 1 CO | Ue: 250 V | Uc: 24 V DC | Mounting width: 1 MW
5TT4437-5Application: DC | Rated current: 25 A | Contacts: 1 CO | Ue: 250 V | Uc: 24 V DC | Mounting width: 1 MW
5TT4457-5Application: DC | Rated current: 32 A | Contacts: 1 CO | Ue: 250 V | Uc: 24 V DC | Mounting width: 1 MW
5TT4930Application: Accessory: auxiliary switch | Rated current: - | Contacts: 1 NO + 1 NC, 16 A | Ue: 250 V AC | Uc: - | Mounting width: 0.5 MW
5TT4931Application: Accessory: central switch | Rated current: - | Contacts: Central function, with diode | Ue: 250 V AC | Uc: - | Mounting width: 0.5 MW
5TT4932Application: Accessory: central switch | Rated current: - | Contacts: Group function, several diodes | Ue: 250 V AC | Uc: - | Mounting width: 0.5 MW

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