Siemens SIRIUS 3RU2 - 3 RB30;3 RB31 solid-state overload relays

Technical data
11.4 3RB30/3RB31 solid-state overload relays
SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays
Manual, 09/2014, A5E03656507420A/RS-AA/002
123
11.4
3RB30/3RB31 solid-state overload relays
11.4.1
3RB301/3RB302/3RB311/3RB312 solid-state overload relays
11.4.1.1
General technical data
General technical data for 3RB30/3RB31 overload relays
Table 11- 11 General technical data for 3RB30/3RB31 overload relays
Type
3RB301., 3RB311.
3RB302., 3RB312.
Size
S00
S0
Width
45 mm
45 mm
Tripping in the event of
Overload, phase failure, and phase asymmetry +
ground fault (3RB31 only)
Tripping class
acc. to
IEC/EN 60947-4-1
CLASS 3RB30: 10E/20E,
3RB31: 5E, 10E, 20E and 30E adjustable
Phase loss sensitivity
Yes
Overload warning
No
Resetting and recovery
• Reset options following tripping
Manual, automatic, and remote RESET (depending on the version)
• Recovery time
- Automatic RESET min approx. 3 min
- Manual RESET min Immediately
- Remote RESET min Immediately
Equipment
• Display of operating state on device
Yes, via switch position indicator slide
• TEST function
Yes, electronics can be tested by pressing the TEST button/
auxiliary contacts and wiring of control circuit are tested by
moving the switch position indicator slide/
self-monitoring
• RESET button
Yes
• STOP button
No