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Siemens IC 10 · 2017
Overload Relays
SIRIUS 3RB3 Electronic Overload Relays
3RB30, 3RB31 for standard applications
7
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Technical specifications
The following technical information is intended to provide an ini-
tial overview of the various types of device and functions.
More information
System Manual "SIRIUS – System Overview",
see
Configuration Manual "Configuring SIRIUS Innovations – Selection Data for
Fuseless and Fused Load Feeders",
see
Manual "SIRIUS – SIRIUS 3RU Thermal Overload Relays /
SIRIUS 3RB Electronic Overload Relays",
see
Technical specifications,
see
Type
3RB3016, 3RB3113
3RB3026, 3RB3123
3RB3036, 3RB3133
3RB3046, 3RB3143
Size
S00
S0
S2
S3
Dimensions (W x H x D)
(overload relay with stand-alone installation
support)
• Screw terminals
• Spring-type terminals
mm
mm
45 x 89 x 80
45 x 102 x 80
45 x 97 x 94
45 x 116 x 95
55 x 105 x 117
55 x 105 x 117
70 x 106 x 124
70 x 106 x 124
General data
Tripping in the event of
Overload, phase failure and phase asymmetry
+ ground fault (for 3RB31 only)
Trip class
acc. to IEC 60947-4-1
CLASS
3RB30: 10E, 20E;
3RB31: 5E, 10E, 20E or 30E adjustable
Phase failure sensitivity
Yes
Reset and recovery
• Reset options after tripping
Manual and automatic RESET, 3RB31 has an integrated connection for
electrical remote RESET (24 V DC)
• Recovery time
-
For automatic RESET
Approx. 3 min
-
For manual RESET
Immediately
-
For remote RESET
Immediately
Features
• Display of operating state on device
Yes, by means of switch position indicator slide
• TEST function
Yes, test of electronics by pressing the TEST button/test of auxiliary contacts and
wiring of control circuit by actuating the switch position indicator slide/self-monitoring
• RESET button
Yes
• STOP button
No
Protection and operation of explosion-proof motors
EC type-examination certificate number
according to directive 2014/34/EU (ATEX)
PTB 09 ATEX 3001
II (2) G [Ex e] [Ex d] [Ex px]
II (2) G [Ex t] [Ex p]
Ambient temperatures
• Storage/transport
°C
-40 ... +80
• Operation
°C
-25 ... +60
• Temperature compensation
°C
+60
• Permissible rated current at
-
Temperature inside control cabinet 60 °C
%
100
-
Temperature inside control cabinet 70 °C
%
On request
Repeat terminals
• Coil repeat terminals
Yes
Not required
• Auxiliary contact repeat terminal
Yes
Not required
Degree of protection
acc. to IEC 60529
• Screw terminals/spring-type terminals
IP20
-
IP20 (front side)
-
Terminal IP00 (use additional terminal
covers for higher degree of protection)
• Straight-through transformers
--
IP20
Touch protection
acc. to IEC 60529
Finger-safe
Finger-safe, for vertical contact from the
front
Shock resistance with sine
acc. to IEC 60068-2-27
g
/ms
15/11
(signaling contact 97/98 in "Tripped"
position: 9
g
/11 ms)
15/11
(signaling contact 97/98 in "Tripped"
position: 8
g
/11 ms)
W
H
D
© Siemens AG 2016