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Product Specifications:
| Item | Contactor |
| Aux. Contact Configuration | 1NO/1NC |
| Auxiliary Contacts Included | 1NO/1NC |
| Coil Voltage | 208V AC |
| Connection Type | Screw Connection |
| Contactor Style | IEC |
| Depth | 97 mm |
| Embedded Surge Suppressor | No |
| Frame Size | S0 |
| Frequency | 50/60 Hz |
| Full Load Amps-resistive | 40A |
| Full Load Inductive Amps | 17A |
| Height | 85 mm |
| Hp @ 1 Ph | 3 hp |
| Hp @ 1 Ph-240v | 3 hp |
| Hp @ 1 Phase-120v | 1 hp |
| Hp @ 1 Phase-240v | 3 hp |
| Hp @ 3 Phase-208v | 3 hp |
| Hp @ 3 Phase-240v | 5 hp |
| Hp @ 3 Phase-480v | 10 hp |
| Hp @ 3 Phase-575v | 15 hp |
| Hp @ 3 Phase-600v | 15 hp |
| Included Auxiliary Contacts | Yes |
| Integrated Surge Suppression | No |
| Ip Rating | IP20 |
| Main Power Pole Contact Form | 3NO |
| Max. Operating Temp. | 140°F |
| Max. Voltage | 690V AC |
| Mechanical Operating Durability | 10000000 |
| Min. Operating Temp. | -13°F |
| Mounting Hole Dia. | 0.19" |
| Mounting Hole Distance | 2 9/25" |
| Mounting Hole Width | 1.38" |
| Mounting Postion | Vertical |
| Nema Enclosure Rating | No Enclosure |
| No. Of Auxillary Contacts | 2 |
| No. Of Making Contacts And Main Contacts | 3 |
| No. Of Normally Open Main Contacts | 3 |
| No. Of Poles | 3 |
| Nominal Coil Voltage @ 60hz | 208V AC |
| Overall Depth | 4 1/2" |
| Overall Height | 3 3/5" |
| Overall Width | 2.9" |
| Phase | 3 |
| Reversing Capability | Non Reversing |
| Series | SIRIUS 3RT20 Series |
| Suitable For Series Installation | Yes |
| Terminal Connection Type | Screw Terminal |
| Width | 45 mm |
| Wire Termination Type | Screw |
Shipping Info:
| Ship weight (kg) | 0.41 |
| Ship height (cm) | 9.14 |
| Ship length (cm) | 11.43 |
| Ship width (cm) | 7.37 |
| Country of Origin | DE |
Product Variants
| Product | Model | Reversing Capability | Main Power Pole Contact Form | Auxiliary Contacts Included | Frame Size | Wire Termination Type | Integrated Surge Suppression | Nominal Coil Voltage @ 60hz | Height | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
3RT20182AF02 | Non Reversing | 3NO | 1NC | S00 | Spring Loaded | No | 120V AC | 70 mm | €218.26 | |
![]() |
3RT20181AF01 | Non Reversing | 3NO | 1NO | S00 | Screw | No | 120V AC | 3 2/25" | €216.44 | |
![]() |
3RT20182AF01 | Non Reversing | 3NO | 1NO | S00 | Spring Loaded | No | 120V AC | 70 mm | €218.26 | |
![]() |
3RT20271AG20 | - | - | - | - | - | - | - | 85 mm | €415.54 | |
![]() |
3RT20271AF00 | Non Reversing | 3NO | 1NO/1NC | S0 | Screw | No | 120V AC | 85 mm | €429.72 | |
![]() |
3RT20181AK610UA0 | Non Reversing | 3NO | 1NO | S00 | Screw | - | 120V AC | 2 2/5" | €327.93 | |
![]() |
3RT20272AK60 | Non Reversing | 3NO | 1NO/1NC | S0 | Spring Loaded | No | 120V AC | 102 mm | €452.06 |
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Contact us
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SIEMENS 3RT20251AM20 Power Contactor, 208 V AC Coil Volts, 17 A Full Load Amps-Inductive, 1No/1Nc
€262.78 /unit




