SIEMENS
SIEMENS 3RT20241AP60 Contactor 1NC/1NO 220-240V AC 3P
Three-pole IEC contactor with 12 A inductive and 40 A resistive ratings, 220-240 V AC coil, 1NO/1NC auxiliary contacts, screw terminals, DIN-rail or surface mount
- IEC-standard contactor fits global control panels
- 12 A inductive rating handles motor loads
- 40 A resistive capacity supports heating circuits
- 220–240 V AC coil matches common supplies
- DIN-rail and surface mounting simplifies installation
SIRIUS 3RT20 IEC Contactor
The SIRIUS 3RT20 IEC magnetic contactor switches three-phase loads up to 12 A inductive or 40 A resistive. It mounts on DIN rail or surface and uses screw terminals for secure wiring. The coil operates at 220 V to 240 V AC for standard control circuits.
Thermals, noise and power draw
The contactor has no enclosure and no internal fan, so it runs silently in normal operation. Heat dissipation depends on the 12 A inductive or 40 A resistive load carried through the three main poles. Coil power consumption is low, typical for IEC frame S0 devices.
Auxiliary contacts and mounting
Two built-in auxiliary contacts (1NO/1NC) provide status feedback or interlock logic without extra modules. The screw-terminal design accepts standard ferrules or solid wire for quick installation. The compact 3.45 in by 4.25 in footprint fits dense panels.
Highlights
- IEC-standard contactor fits global control panels
- 12 A inductive rating handles motor loads
- 40 A resistive capacity supports heating circuits
- 220–240 V AC coil matches common supplies
- DIN-rail and surface mounting simplifies installation
Specifications
| Brand | SIEMENS |
|---|
Questions about this item
How do I mount the frame size S0 contactor and wire the screw terminals?
Mount on a DIN rail or surface using the integrated brackets, then connect control and power cables to the screw terminals.
What maintenance or replacement will the auxiliary contacts need?
The 1NO/1NC auxiliary contacts are rated for 12 A inductive and 40 A resistive; inspect periodically and replace if contact wear appears.
What is the first limit reached under sustained load?
The inductive full-load current limit of 12 A is reached before the 40 A resistive rating.
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