Data Sheet

Data sheet 3RU2126-4BB0
Overload relay 14...20 A Thermal For motor protection Size S0,
Class 10 Contactor mounting Main circuit: Screw Auxiliary circuit:
Screw Manual-Automatic-Reset
Product brand name SIRIUS
Product designation thermal overload relay
Product type designation 3RU2
General technical data
Size of overload relay S0
Size of contactor can be combined company-specific S0
Insulation voltage with degree of pollution 3 rated
value
690V
Surge voltage resistance rated value 6kV
maximum permissible voltage for safe isolation
● in networks with grounded star point between
auxiliary and auxiliary circuit
440V
● in networks with grounded star point between
auxiliary and auxiliary circuit
440V
● in networks with grounded star point between
main and auxiliary circuit
440V
● in networks with grounded star point between
main and auxiliary circuit
440V
Protection class IP
● on the front
IP20
3RU2126-4BB0 Subject to change without notice
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09/11/2019 © Copyright Siemens