





Overload Relay - 3RU range
Switch position indicator and test function
STOP button
Selector switch for manual/automatic reset
Screw connection or Spring-clamp versions
Impulse voltage resistance 6 kV
Insulation voltage 690V
Surface or DIN-rail stand-alone mounts available, see 706-1699 etc The 3RU21 thermal overload relays up to 80 A have been designed for current-sensitive protection of loads with normal starting.
These thermal overload relays for use with Sirius Size S0 & S00 Contactors
STOP button
Selector switch for manual/automatic reset
Screw connection or Spring-clamp versions
Impulse voltage resistance 6 kV
Insulation voltage 690V
Surface or DIN-rail stand-alone mounts available, see 706-1699 etc The 3RU21 thermal overload relays up to 80 A have been designed for current-sensitive protection of loads with normal starting.
These thermal overload relays for use with Sirius Size S0 & S00 Contactors

SIRIUS 3RU2 Thermal Overload Relay 1NO + 1NC, 14 → 20 A F.L.C, 20 A Contact Rating, 7.5 kW, 3P, SIRIUS
Manufacturer:
Siemens
Manufacturer Part No:
3RU2126-4BB0
Enrgtech Part No:
ET13836188
Warranty:
Manufacturer
£ 44.32
Checking for live stock
FLC Motor Rating:
14 → 20 A
Contact Current Rating:
20 A
Range:
SIRIUS
Pole Configuration:
3P
Series:
SIRIUS 3RU2
Mounting Style:
Direct Contactor
Power Rating:
7.5 kW
Normal State Configuration:
1NO + 1NC
Terminal Type:
Screw
Reset Method:
Automatic, Manual
Number Of Auxiliary Contacts:
2
Width:
45mm