SIRIUS 3RR2 current monitoring relays
8.10 Technical data
SIRIUS Innovations
746 System Manual, 01/2011, A8E56203870002-03
8.10.3.2 Main circuit
Table 8- 24 Technical data for the main circuit, 3RR21 current monitoring relay
Type 3RR22 41 3RR22 42
Size S00 S0
Width 45 mm 45 mm
Rated insulation voltage U
i
(pollution degree 3)
V 690
Rated impulse withstand voltage U
imp
kV 6
Rated operational voltage U
e
V 690
Relative measuring accuracy % 5
Current carrying capacity
for permanent overcurrent
A max. 16 max. 40
for overcurrent < 1 s
A max. 320 max. 800
Type of current
Alternating current
Hz 50 / 60
Current setting A 1.6 ... 16 4 to 40 A
Power loss per device (max.) W 2.5
Short-circuit protection
With fuse without contactor
See "Selection and ordering data" in Catalog
LV 1 N SIRIUS Innovations.
With fuse and contactor
See the chapter titled "Motor starter protectors (Page 379)"
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