Siemens Sirius contact module with 1 normally closed (NC) contact and positive opening function. Ideal for industrial use, front plate mounting and screw terminal connection, with the following features:
Number Contacts: 1 NC (normally closed) with positive opening function
Mounting: Front plate, suitable for plastic and metal panels
Compatible with voltages: AC/DC from 5 to 500 V
Rated thermal current: 10 A
Degree of protection: IP40 (enclosure) - IP20 (terminals)
Screw terminals, secure connection with tightening torque 0.8-0.9 Nm
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The Sirius ACT 3SU1 NC contact module is designed for applications in industrial environments where safe circuit status signaling is required. With its positive opening function, it is perfect for emergency and safety circuits.
Approved for rail and industrial applications, the module withstands shock up to 15g and vibration up to 5g. Supports up to 3,600 switchings/hour, ensuring reliability in mechanically stressed environments.
Compatible with rigid and flexible conductors from 0.5 to 1.5 mm² and AWG 18-14 cables. Front mounting is quick and allows integration into panels with plastic or metal enclosures.
| Contact type | 1 NC (normally closed) |
|---|---|
| Positive opening function | Yes |
| Mounting | On front plate |
| Rated insulation voltage | 500 V |
| Rated thermal current | 10 A |
| Operating voltage (AC/DC) | 5 ÷ 500 V |
| Maximum operating frequency | 3,600 cycles/h |
| Protection | IP40 (enclosure), IP20 (terminals) |
| Operating temperature range | -25 ÷ +70 °C |
| Connectivity | Screw terminals Rigid/flexible: 2x (0.5-1.5 mm²) AWG: 2x (18-14) |
| Dimensions | 33.2 x 9.8 x 27.7 mm |
| Certifications | CE, UL, CSA - RoHS - EPD |
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