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Technical data
11.3 3RU21 thermal overload relays
11.3
3RU21 thermal overload relays
11.3.1
3RU2116/3RU2126 thermal overload relays
11.3.1.1
General technical data
General technical data for 3RU2116/3RU2126 overload relays
Table 11- 6
General technical data for 3RU2116/3RU2126 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
•
Equipment
Display of operating state on device
•
TEST function
•
RESET key
•
STOP button
•
ATEX
EC type examination certificate number
•
according to Directive 94/9/EC (ATEX)
Ambient temperature
Storage/transport
•
Operation
•
Temperature compensation
•
Permissible rated current for control cabinet internal temperature
•
- Up to 60° C
- 60 °C to 70 °C
108
3RU2116
S00
45 mm
Depending on the level of the tripping current and the tripping
Yes, by means of TEST function/switch position indicator slide
Suitable for overload protection of explosion-proof motors of
°C
°C
°C
%
%
SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays
3RU2126
S0
45 mm
Overload and phase failure
CLASS 10
Yes
No
Manual, automatic, and remote RESET
characteristic curve
Yes
Yes
Yes
protection type "increased safety" Ex e
DMT 98 ATEX G 001
-55 ... + 80
-40 ... + 70
Up to 60
100 (current reduction is required above +60 °C)
87
Manual, 09/2014, A5E03656507420A/RS-AA/002
1)
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