Siemens SIRIUS 3RU Manual page 37

3RB3026 thermal overload relay, size S0, 45 mm width
Front view
3RB3026 overload relay equipment
SIRIUS 3RU thermal overload relays / SIRIUS 3RB electronic overload relays
Manual, 09/2016, A5E03656507420A/RS-AB/003
Description
Position digits
①
Connection for contactor mounting:
In terms of their electrical and mechanical features and their design,
these pins are perfectly compatible with the 3RT2 contactors for the
direct mounting of overload relays. Stand-alone assembly is also an
option (in some cases in conjunction with a stand-alone assembly
module).
②
Switch position indicator and TEST function for wiring:
Indicates a trip and facilitates testing of the wiring.
③
RESET button
A device set to manual RESET can be reset locally by pressing the
RESET button.
④
Electronics test (device test):
Enables a test of all major device components and functions.
⑤
Control circuit terminals (removable):
A screw-type or spring-loaded system can be used to connect the
control circuit terminal.
⑥
Main circuit terminals:
A screw-type or spring-loaded system can be used to connect the
main circuit terminal.
⑦
Selector switch for manual/automatic RESET and RESET button:
The slide switch is used to choose between manual and automatic
RESET.
⑧
Motor current setting:
The large rotary button provides an easy means of setting the device
to the rated motor current.
⑨
Label / Data Matrix code (behind the label)
Terminal labels
2/T1 Main circuit terminals
4/T2
6/T3
95 NC contact (NC 95-96)
96
97 NO contact (NO 97-98)
98
Product description
3.7 3RB30 solid-state overload relays
37