RTA421
Limit switch
Contactor with loop power supply for monitoring current or voltage signals
Predecessor: HTA182, HTA380, HTA423, XT170
o Inputs: 1 x analog (U, I), Outputs: 2 x relays, LPS (24V);
Power supply: 196…250 VAC, 50/60 Hz; 98…126 VAC, 50/60 Hz; 20…250 VDC/AC, 50/60 Hz;
Operation: On-site via 3 keys
o Display: 4-digit LC display, alarm markings, bargraph;
Housing: DIN Rail housing, Width: 45 mm; Material: plastic
o Further functions: Loop power supply (LPS)


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