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Siemens
  • 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
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Parts list

Overload relay Siemens SIRIUS 3RB3123-4VB0

extended guarantee
Item number: 101369
EAN: 4011209749634
Corresponding accessories
Stand-alone installation Siemens SIRIUS 3RU2926-3AA01
Stand-alone installation Siemens SIRIUS 3RU2926-3AA01
Stand-alone installation support for 3RU/3RB/3RR, Size S0, Screw connection
Item number: 101493
RRP: 17,50 €
12,30 €
plus VAT plus dispatch
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Technical details
General data

Solid-state overload relay
CLASS 5, 10, 20 and 30 adjustable
3
1 x NO/NC
S0

Electrical data

2
10-40 A
40 A
6 kV

Mechanical data

45 mm
87 mm
84 mm
Screw-type terminals

Ambient conditions

-25 °C
60 °C
IP20

Further information

GOST
CCC
UL
CSA
DNV GL
LRS

Classification

85364900

Product description
Overload relay Siemens SIRIUS 3RB3123-4VB0
The electronic overload relay 3RB3123-4VB0 from Siemens ensures continuous motor and plant protection. Thanks to the wide setting range of 10-40 A, the variety of types can be considerably reduced using the SIRIUS overload relay 3RB3123-4VB0. One normally closed and one normally open contact are available as auxiliary contacts. In size S0, the electronic overload relay 3RB3123-4VB0 offers optimum protection for motors and plants up to 18.5 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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