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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

(pollution degree 3)

V 690

Rated impulse withstand voltage U

imp

kV 6

Rated operational voltage U

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)"

Siemens SIRIUS 3RT2.1 Series System Manual

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