
Siemens
- Available:
- 0 pcs.On RequestUpdated at: 05-09-2026
- Offer from:
Trusted supplier — Italy, member since 2021, 10–19 employees
- Warranty:
- 12 months
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This key-operated switch operates at three distinct positions (I, O, II) and features a momentary contact on the left with latching functionality on the right. It is designed with an actuating angle of two times 45 degrees, facilitating precise operation at 10:30h, 12h, and 13:30h. The switch allows key removal in positions O and II, enhancing operational flexibility.
Constructed from durable plastic, the switch has a front ring that is black and measures 22 mm in diameter. The actuator is metal with a silver finish, ensuring robust handling. Its installation requires a mounting diameter of 22.3 mm, with a height of 49.4 mm and a width of 29.5 mm, making it suitable for various applications.
This product is rated with an IP67/IP69K protection class, indicating its suitability for harsh environments. It meets multiple international standards and has undergone rigorous testing, including a mechanical service life of up to 1,000,000 operating cycles and operation within a temperature range of -25 to +70 °C.
The designation code for this product is 3SU1, and it can accommodate special locks such as SB31, 421, and 455 for added versatility in applications.

Siemens
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Datasheet for Siemens 3SU1000-4BP61-0AA0, including specifications and features.
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