Siemens

Main contactor Siemens SIRIUS 3RT2028-1BB40

extended guarantee
Item number: 101322
EAN: 4011209833821
  • Power contactor
  • Size S0
  • AC-3
  • 18.5 kW/400 V
  • Auxiliary contact: 1 x NO/NC
  • Control voltage: 24 V DC
  • Screw connection
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£129.51
plus VAT plus dispatch
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Corresponding accessories
Auxiliary switch Siemens SIRIUS 3RH2921-1DA11
Auxiliary switch for main/auxiliary contactors, Size S0, Lateral, 1 x NO/NC, Screw-type terminals, R: 31/32; 43/44, L: 51/52; 63/64
Item number: 105686
£10.08
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Link module Siemens SIRIUS 3RA2921-1BA00
Link module, Electrical and mechanical, For 3RV and 3RT, DC operation, or 3RW3 soft starter or 3RF34 solid-state contactor, Screw connection
Item number: 101465
£4.68
plus VAT plus dispatch
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Overload relay Siemens SIRIUS 3RB3123-4VB0
Overload relay for motor protection, 10-40 A, Size S0, CLASS 5-30, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset, Internal earth-fault detection
Item number: 101369
£137.16
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Surge suppressor Siemens SIRIUS 3RT2926-1ER00
Surge suppressor, Combination of diodes 24 V DC, For motor contactors, Size S0
Item number: 101421
£9.09
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in stock
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Wiring kit Siemens SIRIUS 3RA2923-2AA1
SIRIUS 3RA2923-2AA1 wiring kit, For size S0, Incl. mechanical interlocking, Screw fastening
Item number: 104429
£16.02
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in stock
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Corresponding accessory groups
DIN rail PHOENIX 1207640 - NS 35/7,5 PERF 755MM
DIN rail, Material: Steel galvanized and passivated with a thick layer, Perforated, Height: 7.5 mm, Width: 35 mm, Length: 755 mm
Item number: 100853
£1.80
plus VAT plus dispatch
in stock
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DIN rail PHOENIX 1207653 - NS 35/7,5 PERF 955MM
DIN rail, Material: Steel galvanized and passivated with a thick layer, Perforated, Height: 7.5 mm, Width: 35 mm, Length: 955 mm
Item number: 100854
£2.34
plus VAT plus dispatch
in stock
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DIN rail PHOENIX 1207679 - NS 35/15 PERF 755MM
DIN rail, Material: Steel galvanized and passivated with a thick layer, Perforated, Height: 15 mm, Width: 35 mm, Length: 755 mm
Item number: 100851
£3.06
plus VAT plus dispatch
in stock
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DIN rail PHOENIX 1207682 - NS 35/15 PERF 955MM
DIN rail, Material: Steel galvanized and passivated with a thick layer, Perforated, Height: 15 mm, Width: 35 mm, Length: 955 mm
Item number: 100852
£3.87
plus VAT plus dispatch
in stock
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Din rails close
Auxiliary switch block Siemens SIRIUS 3RH2911-1FC22
Auxiliary contact block for contactor relays and motor contactors, Size S00/S0, Auxiliary contacts: 2 x NO/NC, Screw connection
Item number: 101393
£16.92
plus VAT plus dispatch
in stock
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Auxiliary switch block Siemens SIRIUS 3RH2911-1HA01
Auxiliary contact block for contactor relays and motor contactors, Size S00/S0, Auxiliary contacts: 1 x NC, Screw connection
Item number: 101416
£4.86
plus VAT plus dispatch
in stock
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Auxiliary switch block Siemens SIRIUS 3RH2911-1HA21
Auxiliary contact block for contactor relays and motor contactors, Size S00/S0, Auxiliary contacts: 2 x NO/1 x NC, Screw connection
Item number: 101417
£8.55
plus VAT plus dispatch
in stock
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Auxiliary switch block Siemens SIRIUS 3RH2911-1HA22
Auxiliary contact block for contactor relays and motor contactors, Size S00/S0, Auxiliary contacts: 2 x NO/NC, Screw connection
Item number: 101418
£10.62
plus VAT plus dispatch
in stock
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Auxiliary switch blocks close
Current monitoring relay Siemens SIRIUS 3RR2142-1AW30
Monitoring relay, Mountable on 3RT2 contactor, Size S0, Analogue adjustable, Apparent current monitoring 4-40.0 A, 50-60 Hz, 2-phase, 24-240 V AC/DC, 1 x changeover contact, Screw connection
Item number: 101486
£81.90
plus VAT plus dispatch
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Current monitoring relay Siemens SIRIUS 3RR2242-1FW30
Monitoring relay, Mountable on 3RT2 contactor, Size S0, Digital adjustable, Apparent/active current monitoring 4-40 A, 20-400 Hz, 3-phase, 24-240 V AC/DC, 1 x changeover contact, 1 x semiconductor output for alarm and warning, Screw connection
Item number: 101489
£149.13
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in stock
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SIRIUS S0 Monitoring relays close
Overload relay Siemens SIRIUS 3RU2126-4FB0
Overload relay for motor protection, 34-40 A, Size S0, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset
Item number: 101358
£57.78
plus VAT plus dispatch
in stock
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Overload relay Siemens SIRIUS 3RU2126-4PB0
Overload relay for motor protection, 30-36 A, Size S0, CLASS 10, Screw connection, Auxiliary contacts 1 x NC/NO, Manual/automatic reset
Item number: 101490
£57.78
plus VAT plus dispatch
in stock
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SIRIUS S0 Thermal overload relays (30-40 A) close

Technical details
General data

Main contactor
1 x NO/NC
S0

Electrical data

18.5 kW
690 V
24 V DC
6 kV

Mechanical data

750 1/h
45 mm
85 mm
107 mm
Screw-type terminals
Screw-type terminals

Ambient conditions

-25 °C
50 °C
IP20

Further information

CSA, UL, CCC, GOST, GL, ABS DNV, VDE

Classification

27-37-10-03
27-37-10-03
27-37-10-03
EC000066
85364900

Product description
Main contactor Siemens SIRIUS 3RT2028-1BB40
The compact power contactor 3RT2028-1BB40 from Siemens is offered for the performance range up to 18.5 kW at AC-3/400 V. The SIRIUS power contactor 3RT2028-1BB40 from Siemens uses a control supply voltage of 24 V DC and features one NC and one NO contact as auxiliary contacts as well as a practical screw-type connection. In size S0, the power contactor 3RT2028-1BB40 is suitable for all load feeders with the circuit breakers 3RV2011 and 3RV2311. The power contactor 3RT2028-1BB40 is used in automation and control technology, particularly to control motors and plants and switch on electrical heating systems.
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