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Siemens

Circuit breaker Siemens SIRIUS 3RV2021-4BA10

extended guarantee
Item number: 101295
EAN: 4011209712522
  • Circuit breaker
  • Size S0
  • For motor protection
  • CLASS 10
  • A release: 14-20 A
  • N release: 260 A
  • Screw connection
  • Standard switching capacity
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Parts list
£58.59
plus VAT plus dispatch
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cednv-glulvde
Corresponding accessories
Transverse auxiliary switch Siemens SIRIUS 3RV2901-1E
1
Transverse auxiliary switch Siemens SIRIUS 3RV2901-1E
Transverse auxiliary switch, For circuit breakers, Size: S00/S0 1 x NO/NC, Screw connection
Item number: 101382
£7.38
plus VAT plus dispatch
currently out of stock
Request delivery time
Order now or activate the availability alert or request a date of delivery toll free at 0800 24 2011 24.
Undervoltage release Siemens SIRIUS 3RV2902-1AP0
Undervoltage release Siemens SIRIUS 3RV2902-1AP0
Undervoltage release for circuit breakers, 230 V AC/50 Hz, 240 V AC/60 Hz, size: S00/S0, Screw connection
Item number: 101414
£21.33
plus VAT plus dispatch
in stock
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Corresponding accessory groups
DIN rail PHOENIX 1207640 - NS 35/7,5 PERF 755MM
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
£1.98
plus VAT plus dispatch
in stock
Shipping today
DIN rail PHOENIX 1207653 - NS 35/7,5 PERF 955MM
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
£2.52
plus VAT plus dispatch
in stock
Shipping today
DIN rail PHOENIX 1207679 - NS 35/15 PERF 755MM
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
£3.33
plus VAT plus dispatch
in stock
Shipping today
DIN rail PHOENIX 1207682 - NS 35/15 PERF 955MM
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
£4.14
plus VAT plus dispatch
in stock
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Din rails close
Main contactor Siemens SIRIUS 3RT2025-1AP00
Main contactor Siemens SIRIUS 3RT2025-1AP00
Power contactor, Size S0, AC-3, 7.5 kW/400 V, Auxiliary contact: 1 x NO/NC, Control voltage: 230 V AC 50/60 Hz, Screw connection
Item number: 101315
£44.01
plus VAT plus dispatch
in stock
Shipping today
Main contactor Siemens SIRIUS 3RT2025-1BB40
Main contactor Siemens SIRIUS 3RT2025-1BB40
Power contactor, Size S0, AC-3, 7.5 kW/400 V, Auxiliary contact: 1 x NO/NC, Control voltage: 24 V DC, Screw connection
Item number: 101316
£76.68
plus VAT plus dispatch
currently out of stock
Request delivery time
Order now or activate the availability alert or request a date of delivery toll free at 0800 24 2011 24.
Main contactor Siemens SIRIUS 3RT2025-2AP00
Main contactor Siemens SIRIUS 3RT2025-2AP00
Main contactor, Construction size S00, AC-3, 7.5 kW/400 V, Auxiliary contacts: 1 x normally open contact, Control voltage: 230 V AC 50/60 Hz, Spring-loaded connection
Item number: 105625
£44.37
plus VAT plus dispatch
in stock
Shipping today
Main contactor Siemens SIRIUS 3RT2025-2BB40
Main contactor Siemens SIRIUS 3RT2025-2BB40
Main contactor, Construction size S0, AC-3, 7.5 kW/400 V, Auxiliary contacts: 1 x normally open contact, Control voltage: 24 V DC, Spring-loaded connection
Item number: 105626
£79.02
plus VAT plus dispatch
currently out of stock
Request delivery time
Order now or activate the availability alert or request a date of delivery toll free at 0800 24 2011 24.
SIRIUS S0 main contactors (7.5 kW) close
Link module Siemens SIRIUS 3RA2921-1AA00
Link module Siemens SIRIUS 3RA2921-1AA00
Link module, Electrical and mechanical, For 3RV and 3RT, AC Operation, Screw connection
Item number: 101464
£4.86
plus VAT plus dispatch
in stock
Shipping today
Link module Siemens SIRIUS 3RA2921-1BA00
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
£4.86
plus VAT plus dispatch
in stock
Shipping today
SIRIUS S0 link modules close
Technical details
General data

Circuit breakers for motor protection
CLASS 10
3
S0

Electrical data

690 V
14-20 A
20 A
6 kV

Mechanical data

45 mm
97 mm
96 mm
100,000 operating cycles
Screw-type terminals

Ambient conditions

-20 °C
60 °C
IP20

Further information

UL
CE
GOST
VDE
DNV GL

Classification

27-37-04-01
27-37-04-01
27-37-04-01
EC000074
85362090

Product description
Circuit breaker Siemens SIRIUS 3RV2021-4BA10
The SIRIUS circuit breaker 3RV2021-4BA10 from Siemens in size S0 is a compact, current-limiting circuit breaker for load feeders up to 7.5 kW at AC-3/400 V. Due to a short-circuit protection of 260 A and an adjustable overload protection of 14-20 A, the circuit breaker 3RV2021-4BA10 is ideally suited for the protection of motors.
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