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Results ()
  • 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
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Current monitoring relay Siemens SIRIUS 3RR2242-1FW30

Item number: 101489
EAN: 4011209787308
Corresponding accessories
Technical details
General data

Active current monitoring
1 x Changeover contact, 1 x Solid-state output

Electrical data

4-40 A
40 A
6 kV

Mechanical data

91 mm
87 mm
45 mm
Screw-type terminals

Ambient conditions

-20 °C
60 °C

Further information




Product description
Current monitoring relay Siemens SIRIUS 3RR2242-1FW30
The SIRIUS current monitoring relay 3RR2242-1FW30 from Siemens monitors the complete system for too high or too low current, wire break or phase failure. Thanks to the wide digital setting range of 4.0-40 A, the variety of types can be considerably reduced using the current monitoring relay 3RR2242-1FW30. In size S0, the monitoring relay offers optimum protection for your installation. The proven screw connection of the current monitoring relay 3RR2242-1FW30 ensures the familiar wiring of your system. Monitoring relays are used in all areas of electrical switchgear technology.
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