
3SB3500-1KA20 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $24.15 | Condition is New – Open box, SIEMENS 3SB3500-1KA20 / 3SB35001KA20 (NEW IN BOX), shipping cost = $12.90 | 99.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $180.72 | Condition is New, 1pcs Siemens 3SB3500-1KA20 NEW Fedex DHL Ship, FREE SHIPPING | 100.0% |
![]() | $181.03 | Top Pick! Condition is New, One Siemens 3SB3500-1KA20 NEW Welcome counteroffer, FREE SHIPPING | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $42.82 | Condition is Neu, Siemens 3SB3 500-1KA20 EMERGENCY STOP Mushroom Push Button Emergency Stop 3SB35, shipping cost = $75.43 | 99.5% |
![]() | $56.86 | Condition is Neu, Siemens 3SB3 500-1KA20 (3SB3500-1KA20), shipping cost = $98.53 | 100.0% |
![]() | $46.36 | Top Pick! Condition is Neu, Siemens 3SB3 500-1KA20 3SB3500-1KA20 E:01 EMERGENCY STOP Rotary Unlocked, shipping cost = $172.91 | 99.8% |



The Siemens 3SB3500-1KA20 Sirius ACT Emergency Pushbutton is a high-quality, reliable safety device designed for use in various industrial applications. This pushbutton is part of Siemens' Sirius ACT series, known for its robustness and durability.
The Siemens 3SB3500-1KA20 is a Type 4X pushbutton, which means it is designed for use in harsh environments, such as those with high humidity, dust, and water splash. It is made of die-cast zinc and has a polycarbonate lens, ensuring it can withstand the rigors of industrial use.
The pushbutton features a red actuator, which is standard for emergency pushbuttons, making it easily identifiable in an emergency situation. It has a contact rating of 6A at 250V AC, 10A at 125V AC, and 1A at 30V DC, ensuring it can handle a variety of applications.
The Siemens 3SB3500-1KA20 also includes a status LED, which provides visual confirmation of the pushbutton's state. It has a NEMA 1 rating, making it suitable for use in indoor locations.
This pushbutton is designed for easy installation and maintenance. It has a mounting screw thread of M6x0.75, and the top of the pushbutton is removable, allowing for easy access to the internal contacts.
In conclusion, the Siemens 3SB3500-1KA20 Sirius ACT Emergency Pushbutton is a reliable, high-quality safety device suitable for use in harsh industrial environments. Its robust design, versatile contact rating, and easy installation and maintenance make it an excellent choice for any application that requires an emergency pushbutton.
Pros of buying Siemens 3SB3500-1KA20 Sirius ACT Emergency Pushbutton 278781:1. Reliability: Siemens is a well-known brand with a reputation for producing high-quality products. This pushbutton is designed for emergency situations and is built to withstand heavy use.
2. Durability: The product is made with robust materials, such as stainless steel, which are resistant to corrosion and wear. This ensures a long lifespan and minimal maintenance.
3. Safety Features: The pushbutton is designed with safety in mind. It features a tamper-proof cover and a self-resetting function, which ensures the safety of users and reduces the risk of false alarms.
4. Compatibility: This pushbutton is compatible with various Siemens fire alarm systems, which makes it a versatile choice for businesses and institutions.
Cons of buying Siemens 3SB3500-1KA20 Sirius ACT Emergency Pushbutton 278781:1. Price: The product is more expensive than some other emergency pushbuttons on the market. This may make it less accessible for small businesses or individuals with a limited budget.
2. Limited Customization: While the pushbutton is compatible with various Siemens fire alarm systems, it may not be compatible with all fire alarm systems. This could limit its versatility for businesses that use different types of fire alarm systems.
Conclusion:The Siemens 3SB3500-1KA20 Sirius ACT Emergency Pushbutton 278781 is a reliable and durable product that is designed with safety in mind. Its robust materials and safety features make it a great choice for businesses and institutions that prioritize safety and reliability. However, its high price and limited customization options may make it less accessible or versatile for some buyers.
Recommendation:If you have a budget and are looking for a reliable and durable emergency pushbutton, the Siemens 3SB3500-1KA20 Sirius ACT Emergency Pushbutton 278781 is a great choice. Its safety features and compatibility with various Siemens fire alarm systems make it a versatile and reliable option for businesses and institutions. However, if you have a limited budget or need a pushbutton that is compatible with a different fire alarm system, you may want to consider other options on the market.
Details:
Outer diameter: 40mm. Command points: : Siemens 3SB3500-1KA20. Manufacturer part number: 3SB3500-1KA20.
specifications indusswitch:
- brand: Siemens
- mpn: 3sb3500-1ka20
offer indusswitch:
- in stock #: 5
- prices: $42.82–$181.03
- item condition:
- New – Open box
- New
- Neu
- best offers: true
- started: august 20, 2024
- options: ship-to-home
- availability: in stock
- sold #: 33
payments indusswitch:
- other
- credit card: mastercard
- wallet: apple-pay
seller indusswitch:
- city: clinton township, michigan
- rating: 99.5%
- # reviews: 17644
shipping indusswitch:
- transit: 4-7 days
- carrier: fedex, ups, usps
- service: fedex ground or fedex home delivery, ups ground, usps priority mail, fedex standard overnight
- class: standard, expedited, one-day
- type: calculated
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Switches > Accessories
returns indusswitch:
- policy: no returns
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