Technical data
11.4 3RB30/3RB31 solid-state overload relays
SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays
124
Manual, 09/2014, A5E03656507420A/RS-AA/002
Type
3RB301., 3RB311.
3RB302., 3RB312.
Size
S00
S0
Width
45 mm
45 mm
ATEX
Suitable for overload protection of explosion-proof motors of
protection type "increased safety" Ex e
•
EC type examination certificate number
conforming to Directive 94/9/EC (ATEX)
•
Safety data values given below apply for an
ambient temperature of 40 °C.
SIL
SIL 1
HFT
0
λ
safe
1 / h
440 × 10
-9
λ
DD
1 / h
105 × 10
-9
λ
DU
1 / h
296 × 10
-9
SFF
%
65
DC
%
26
MTBF
Years
130
PFD
avg (for 36 months)
< 1,0 × 10
-2
Architecture
1001
T1 value (repeat test)
DIN EN 60079-17, Section 4.4
T
lifetime
Years
20
Ambient temperatures
•
Storage/transport
°C
-40 ... +80
•
Operation
°C
-25 ... +60
•
Temperature compensation
°C
+60
•
Permissible rated operating current
- At internal control
cabinet
temperature 60°C
%
100
100
1)
- 70 °C
%
On request
Repeat terminals
•
Coil repeat terminal
Yes
Not required
•
Auxiliary switch repeat terminal
Yes
Not required
Degree of protection acc. to IEC 60529
IP20
Touch protection
Finger-safe
Shock resistance with sine
acc. to IEC 60068-2-27
15g / 11 ms
2)