3RU1146 Overload Relays - Siemens

SIEMENS Sirius:

SIEMENS SIRIUS 3RU1146 Adjustable Thermal Overload Relays

Siemens SIRIUS 3RU thermal overload relays are designed for current-dependent protection of applications with normal start-up conditions against impermissibly high rises in temperature as a result of overload or phase failure.



SIEMENS SIRIUS 3RU1146 Plug-In Overload Relays           View PDF catalog page


3RU1146 Plug-In Overload Relay Selection Chart:
Photo Frame Size For Contactor Setting Range Amps Class 10 Price
Catalog No
3RU1146-4FB0
3RU1146-4FB0
S3 3RT1044
3RT1045
3RT1046
18 - 25 3RU1146-4DB0 $137.00
22 - 32 3RU1146-4EB0
28 - 40 3RU1146-4FB0
36 - 45 3RU1146-4HB0 $150.00
45 - 63 3RU1146-4JB0
57 - 75 3RU1146-4KB0 $167.00
70 - 90 3RU1146-4LB0 $189.00
80 - 100 3RU1146-4MB0 $228.00
3RU1146 Stand-alone assembly support:
Description Frame Size Catalog No Price
Stand-alone installation Main circuit(Screw terminal Auxiliary circuit) S3 3RU1946-3AA01 $14.00
Numerous other sizes are available