Technical Data
Cable lengths for measuring current transformers
Single wire ≥ 0.75 mm
2
0…1 m
Single wire, twisted ≥ 0.75 mm
2
0…10 m
Shielded cable ≥ 0.75 mm
2
0…40 m
Cable
shielded, shield on one side connected to
terminal l of the RCM420, not connected to earth
recommended CAT6/CAT7 min. AWG23
alternatively J-Y(St)Y min. 2x0.8
Connection screw terminals
Switching elements
Number of switching elements 2 x 1 changeover contact
Operating principle
N/C operation/N/O operation
(N/C operation)*
Electrical service life under rated operating conditions 10000 switching operations
Minimum contact load (relay manufacturer's reference) 10 mA/5 V DC
Contact data acc. to IEC 60947-5-1
Utilization category AC-13 AC-14 DC-12 DC-12 DC-12
Rated operational voltage 230 V 230 V 24 V 110 V 220 V
Rated operational voltage UL 200 V 200 V 24 V 110 V 200 V
Rated operational current 5 A 3 A 1 A 0.2 A 0.1 A
Environment/EMC
EMC DIN EN 62020
Operating temperature -25…+55 ºC
Stationary use (IEC 60721-3-3) 3K22
Transportation (IEC 60721-3-2) 2K11
Classification of climatic
conditions IEC 60721 (except
condensation and formation of
ice)
Storage (IEC 60721-3-1) 1K22
Stationary use (IEC 60721-3-3) 3M11
Transportation (IEC 60721-3-2) 2M4
Classification of mechanical
conditions acc. to IEC 60721
Storage (IEC 60721-3-1) 1M12
30 RCM420_D00057_06_M_XXEN/12.2023
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