3RU11, 3RB10, and 3RB12 overload relays
SIRIUS System Manual
GWA 4NEB 430 0999-02b
4-43
4.7.2 3RB10 electronic overload relays
Ty p e 3RB10 16 3RB10 26 3RB10 36 3RB10 46
Frame size S00S0S2S3
Width 45 mm 45 mm 55 mm 70 mm
General specifications
Tripped at
Overload, phase loss, and phase imbalance
(>40% in acc. with NEMA)
Tripping class
In acc. with IEC 60 947-4-1 CLASS 10 and 20, depending on the variant
Phase loss sensitivity
Yes, tripped from a warm state < 3 seconds
Overload warning
no
Resetting and recovery
Resetting options after tripping Manual, remote, and automatic resetting
1
)
Recovery time With automatic reset min Approx. 4
With manual reset min Immediate
With remote reset min Immediate
Configuration
Indication of operating status on device Yes, by means of the "test function/contact position indicator" slider
Test function yes
Reset button yes
Stop button yes
For the safe operation of
motors with increased
safety protection
EC special test certificate
number in compliance
with directive 94/9/EC
On request
Ambient temperatures
Storage/transportation °C -55 to +80
Operation °C -20 to +70
Temperature compensation °C Up to 70
Permissible rated current at Internal cubicle temperature of 60 °C % 100 (current reduction is required at above +60 °C)
Internal cubicle temperature of 70 °C % 100 (current reduction is required at above +60 °C)
Repetition terminals
Terminal for contactor coil Yes Not required
Auxiliary switch repetition terminal Yes Not required
Degree of protection
In acc. with IEC 60 529/DIN VDE 0470
Part 1
IP 20 IP 20
2
)
Shock protection
In acc. with DIN VDE 0106 Part 100 protected against touching by fingers
Sinus shock resistance
In acc. with IEC 68 Part 2-27
g
/ms 8/10 and 15/11
EMC noise immunity
Conducted
disturbance neutralization - burst
In acc. with IEC 61 000-4-4:
(corresponds to severity grade 3)
kV 2
Conducted
disturbance neutralization - surge
In acc. with IEC 61 000-4-5:
(corresponds to severity grade 3)
kV 2/1 (line to ground/line to line)
Electrostatic discharge In acc. with IEC 61 000-4-2:
(corresponds to severity grade 3)
kV 6/8 (contact/air discharge)
Field-related disturbance neutralization In acc. with IEC 61 000-4-3:
(corresponds to severity grade 3)
V/m 3 10
3
)
10
EMC emitted interference
Limit value class B in acc. with CISPR 11
Resistance to extreme climates
(atmospheric humidity)
%100
Dimensions
See dimensioned drawings
Site altitude
m Up to 2000 above sea level
Installation position
Any
Construction type/mounting
Direct mounting/stand-alone installation with terminal bracket
4
)
1) Remote reset in conjunction with suitable accessories 4) For screw-on and snap-on attachment to 35 mm rail
2) Terminal compartment: IP 00 degree
of protection
Frame size S3 also for 75 mm rail
3) For the setting ranges 0.1 to 0.4 A, 0.4 to 1.6 A, and 1.5 to 6 A,
it is 3 V/m.
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