Technical Specifications; 3Ru11 Thermal Overload Relays - Siemens sirius System Manual

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4.7 Technical specifications

4.7.1 3RU11 thermal overload relays

Type
Frame size
Width
General specifications
Tripped at
Tripping class
Phase loss sensitivity
Overload warning
Resetting and recovery
Resetting options after tripping
Recovery time
Configuration
Indication of operating status on device
Test function
Reset button
Stop button
For the safe operation of
motors with increased
safety protection
Ambient temperatures
Storage/transportation
Operation
Temperature compensation
Permissible rated current at
Repetition terminals
Terminal for contactor coil
Auxiliary switch repetition terminal
Degree of protection
Shock protection
Sinus shock resistance
EMC noise immunity
Conducted
disturbance neutralization - burst
Conducted
disturbance neutralization - surge
Electrostatic discharge
Field-related disturbance neutralization
EMC emitted interference
Resistance to extreme climates
(atmospheric humidity)
Site altitude
Construction type/mounting
1) Remote reset in conjunction with suitable accessories
2) Terminal compartment: IP 00 degree
of protection
3) Only stand-alone installation is possible for the 3RU11 16
overload relay with the Cage Clamp terminal system.
SIRIUS System Manual
GWA 4NEB 430 0999-02b
In acc. with IEC 60 947-4-1
With automatic reset
With manual reset
With remote reset
EC special test certificate
number in compliance
with directive 94/9/EC
Internal cubicle temperature of 60 °C
Internal cubicle temperature of 70 °C
In acc. with IEC 60 529/DIN VDE 0470
Part 1
In acc. with DIN VDE 0106 Part 100
In acc. with IEC 68 Part 2-27
In acc. with IEC 61 000-4-4:
(corresponds to severity grade 3)
In acc. with IEC 61 000-4-5:
(corresponds to severity grade 3)
In acc. with IEC 61 000-4-2:
(corresponds to severity grade 3)
In acc. with IEC 61 000-4-3:
(corresponds to severity grade 3)
3RU11, 3RB10, and 3RB12 overload relays
3RU11 16
3RU11 26
S00
S0
45 mm
45 mm
Overload and phase loss
CLASS 10
Yes
No
Manual, remote, and automatic resetting
min
Depends on the height of the tripping current and the tripping cha-
racteristic
min
Depends on the height of the tripping current and the tripping cha-
racteristic
min
Depends on the height of the tripping current and the tripping cha-
racteristic
Yes, by means of the "test function/contact position indicator" slider
Yes
Yes
Yes
KEMA test certificate no. EX-97 .Y.3235
DMT 98 ATEX G001
°C
-55 to +80
°C
-20 to +70
°C
To 60
%
100 (current reduction is required at above +60 °C)
%
87
Yes
Not required
Yes
Not required
IP 20
Protected against touching by fingers
g/ms
810
kV
EMC noise immunity is not relevant to thermal overload relays
kV
EMC noise immunity is not relevant to thermal overload relays
kV
EMC noise immunity is not relevant to thermal overload relays
V/m
EMC noise immunity is not relevant to thermal overload relays
EMC noise immunity is not relevant to thermal overload relays
%
100
m
Up to 2000 above sea level; above on request
Direct mounting/stand-alone installation with terminal
Direct
4
3
bracket
mounting
)/
stand-alone instal-
lation with termi-
nal bracket
4) For screw-on and snap-on attachment to 35 mm rail
Frame size S3 also for 75 mm rail
3RU11 36
3RU11 46
S2
S3
55 mm
70 mm
1
)
2
IP 20
)
)
4-37

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