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