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Siemens AG

Overload relay Siemens SIRIUS 3RB3123-4QB0

extended guarantee
Item number: 101368
EAN: 4011209749627
  • Overload relay for motor protection
  • 6-25 A
  • Size S0
  • CLASS 5-30
  • Screw connection
  • Auxiliary contacts 1 x NC/NO
  • Manual/automatic reset
  • Internal earth-fault detection
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Parts list
£113.67
plus VAT plus dispatch
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Corresponding accessories
Stand-alone installation Siemens SIRIUS 3RU2926-3AA01
1
Stand-alone installation Siemens SIRIUS 3RU2926-3AA01
Stand-alone installation support for 3RU/3RB/3RR, Size S0, Screw connection
Item number: 101493
£8.55
plus VAT plus dispatch
few in stock
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Technical details
General data

CLASS 5, 10, 20 and 30 adjustable
3
1 x NO/NC
S0

Electrical data

2
6-25 A
25 A
6 kV

Mechanical data

45 mm
87 mm
84 mm
Screw-type terminals

Ambient conditions

-25 °C
60 °C
IP20

Further information

CCC
UL
GOST
CSA
DNV GL
LRS

Classification

27-37-07-90
27-37-15-02
27-37-15-02
EC001080
85364900

Product description
Overload relay Siemens SIRIUS 3RB3123-4QB0
The electronic overload relay 3RB3123-4QB0 from Siemens ensures continuous motor and plant protection. Thanks to the wide setting range of 6-25 A, the variety of types can be considerably reduced using the SIRIUS overload relay 3RB3123-4QB0. One normally closed and one normally open contact are available as auxiliary contacts. In size S0, the electronic overload relay 3RB3123-4QB0 offers optimum protection for motors and plants up to 11 kW. The power loss can be reduced by up to 98 % as compared to thermal overload relays. Monitoring relays are used in all areas of electrical switchgear technology.
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