Siemens Sirius ACT 3SU1 contact module, for front installation, with screw terminals. Designed for SIRIUS ACT control systems, compatible with AC/DC applications up to 500 V, with the following characteristics:
Contact number: 1 NO (normally open)
Mounting on: Front plate, compatible with plastic/metal boxes
Rated insulation voltage: 500 V
Rated thermal current: 10 A
Degree of protection: IP40 enclosure - IP20 terminals
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The Sirius ACT 3SU1 contact module is an ideal solution for implementing auxiliary contacts in control circuits. With its 1 NO configuration, it is perfect for sending signals or activating secondary loads, ensuring high operating life and reliable performance even at high switching frequencies (up to 3,600 cycles/h).
Compatible with operating voltages from 5 to 500 V AC/DC, it offers excellent current ratings up to 10 A in AC-12 and 6 A in AC-15. In addition, quality silver alloy contact materials ensure reliability even at low loads.
Front-plate mounting makes it ideal for switchboards and industrial pushbuttons. Screw terminals accept rigid and flexible conductors, including ferrule, and ensure secure tightening with 0.8-0.9 Nm torque.
| Contact type | 1 NO (normally open) |
|---|---|
| Mounting | On front plate |
| Rated insulation voltage | 500 V |
| Rated thermal current | 10 A |
| Max. switching frequency | 3,600 cycles/hour |
| Mechanical endurance | 10 million cycles |
| Electrical endurance | 10 million cycles |
| Terminal type | Screw type |
| Supported cable cross-sections | Rigid: 2x (1.0 to 1.5 mm²) Flexible with ferrule: 2x (0.5 to 1.5 mm²) AWG: 2x (18 to 14) |
| Operating voltage (AC/DC) | 5 ÷ 500 V |
| Protection class | IP40 (enclosure), IP20 (terminals) |
| Dimensions | 33.2 x 9.8 x 27.7 mm |
| Operating temperature range | -25 ÷ +70 °C |
| Certifications | CE, UL, CSA - RoHS |
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