
SI-QS90F Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $44.99 | Top Pick! Condition is New – Open box, Banner SI-QS90F Safety Interlock Switch NOS Open Box 2NC 1NO, shipping cost = $8.06 | 100.0% |
![]() | $81.99 | Condition is New – Open box, NEW GENUINE BANNER SI-QS90F SAFETY SWITCH 49470, shipping cost = $15.10 | 100.0% |
![]() | $81.99 | Condition is New – Open box, NEW GENUINE BANNER SI-QS90F SAFETY SWITCH 49470 WITH 46996, shipping cost = $15.10 | 100.0% |
![]() | $93.10 | Top Pick! Condition is New – Open box, BANNER ENGINEERING SI-QS90F / SIQS90F (NEW IN BOX), shipping cost = $12.90 | 99.7% |
![]() | $82.94 | Top Pick! Condition is New – Open box, BANNER ENGINEERING SI-QS90F / SIQS90F (NEW IN BOX), shipping cost = $36.25 | 99.4% |
![]() | $119.00 | Condition is New – Open box, BANNER SI-QS90F Non-Locking Interlock Switch Key/Tongue 2Nc 1 (30294), shipping cost = $9.42 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $12.50 | Condition is Used, BANNER SI-QS90F Safety Switch 49470 Fast Shipping, FREE SHIPPING | 100.0% |
![]() | $14.99 | Condition is Used, BANNER SI-QS90F SAFTEY SWITCH FREE SHIPPING!!!!!!!, FREE SHIPPING | 99.7% |
![]() | $15.00 | Condition is Used, Banner SI-QS90F Interlock Body Safety Switch, FREE SHIPPING | ![]() |
![]() | $15.20 | Condition is Used, BANNER SI-QS90F Safety Switch 49470 Fast Shipping, FREE SHIPPING | 100.0% |
![]() | $17.00 | Condition is Used, BANNER SI-QS90F Safety Switch 49470 Fast Shipping, FREE SHIPPING | 100.0% |
![]() | $17.00 | Condition is Used, BANNER SI-QS90F Safety Switch 49470 w/ magnet Fast Shipping, FREE SHIPPING | 100.0% |
![]() | $17.99 | Condition is Used, Banner SI-QS90F Safety Door Switch Sensor 6 Amp 300 V SIQS90F (TBI), FREE SHIPPING | ![]() |
![]() | $18.50 | Condition is Used, BANNER SI-QS90F SAFETY SWITCH B94, FREE SHIPPING | 100.0% |
![]() | $19.50 | Condition is Used, BANNER SI-QS90F INTERLOCK SAFETY SWITCH - NO KEY - FREE SHIPPING - QUANTITY, FREE SHIPPING | 100.0% |
![]() | $21.59 | Condition is Used, Banner SI-QS90F Safety Door Switch Sensor 6 Amp 300 V SIQS90F, FREE SHIPPING | ![]() |
![]() | $25.00 | Condition is Used, Banner SI-QS90F Non-Locking Interlock Switch, 2NC + 1NO, 6A 400VAC *No Key*, FREE SHIPPING | ![]() |
![]() | $21.00 | Top Pick! Condition is Used, BANNER SI-QS90F Safety Switch Interlock New, shipping cost = $9.00 | 100.0% |
![]() | $31.99 | Condition is Used, 4 Pack Banner SI-QS90F Safety Switch 6A Ui 400 Vac IP65 49470 Used, FREE SHIPPING | 100.0% |
![]() | $25.00 | Condition is Used, BANNER SI-QS90F, shipping cost = $7.02 | 100.0% |
![]() | $29.95 | Condition is Used, (2) Banner Engineering Interlock Switch SI-QS90F, Key/Tongue, 2NC/1NO, 400V AC, shipping cost = $5.00 | 100.0% |
![]() | $35.00 | Condition is Used, Banner SI-QS90F 49470 , FREE SHIPPING | 99.8% |
![]() | $34.50 | Condition is Used, BANNER SI-QS90F Safety Switch w/ Lead #MULTIPLE IN STOCK WARRANTY FAST SHIPPING!, shipping cost = $9.00 | ![]() |
![]() | $54.99 | Condition is Used, BANNER SI-QS90F SAFETY SWITCH INTERLOCK BODY 78448 SI-QS90MFF, FREE SHIPPING | 99.9% |
![]() | $40.00 | Condition is Used, BANNER SI-QS90F PLASTIC COMPACT SAFETY SWITCHES WITH BRACKET - LOT OF FOUR (4), shipping cost = $34.30 | 99.8% |
![]() | $73.50 | Top Pick! Condition is Used, BANNER ENGINEERING SI-QS90F / SIQS90F (USED), shipping cost = $12.90 | 99.7% |
![]() | $32.23 | Top Pick! Condition is Used, BANNER SI-QS90F 49470 SAFETY INTERLOCK SWITCH (IN1S1B3), shipping cost = $59.08 | 100.0% |
![]() | $29.15 | Condition is Used, BANNER SI-QS90F 49470 SAFETY INTERLOCK SWITCH (IN1S1B3), shipping cost = $63.61 | 100.0% |
![]() | $30.04 | Condition is Used, Banner SI-QS90F SIQS90F P/N: 49470 LC2 Safety Switch, shipping cost = $71.00 | 100.0% |
![]() | $75.00 | Condition is Used, Banner Engineering SI-QS90F Flat Pack Safety Interlock Switch, shipping cost = $33.19 | 99.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $40.00 | Top Pick! Condition is For parts or not working, 14177 Banner SI-QS90F safety interlock, shipping cost = $16.93 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $122.50 | Condition is New, BANNER ENGINEERING SI-QS90F / SIQS90F (BRAND NEW), shipping cost = $12.90 | 99.7% |
![]() | $152.83 | Condition is New, 1PC BANNER ENGINEERING SI-QS90F Non-Locking Interlock Switch, Key/Tongue, 2, shipping cost = $10.99 | 99.8% |

The Siemens SI-QS90F non-locking interlock switch is an essential component in various automation systems, designed for applications where a reliable interlock function is necessary, but a positive mechanical interlocking action is not required. This switch, with the product code 30294, is a 2-pole, non-latching device, meaning it returns to its reset position after operation.
This switch features a robust and compact design, making it suitable for installation in harsh environments, including those with challenging conditions. Its non-locking design ensures easy operation and reduces the risk of accidental activation. Designed with practicality in mind, the SI-QS90F comes with two rectangular terminals on each pole, enabling the connection of multiple wiring configurations - parallel, series, or a combination - making it more versatile for various installation requirements.
The switch body is manufactured using high-quality materials, ensuring it is resilient against wear and tear and can withstand a wide temperature range, from -25 C to 70 C. Additionally, it is sealed against the ingress of dust, splashing water, and water jets, ensuring the device's durability in hazardous environments as per IP66/67 protection rating.
The non-locking interlock switch has an operating force of just 3 N, making it user-friendly for operators while reducing the wear on the component over time. It is suitable for applications where plant availability and operating efficiency are vital. The SI-QS90F switch also offers a best-in-class contact reliability level, ensuring smooth operation and long-lasting performance.
In conclusion, the Siemens SI-QS90F non-locking interlock switch (product code 30294) is a highly versatile and durable device, perfect for automation systems that require a reliable interlock function without the need for a latching action. Its robust design, ease of use, and excellent performance make it a trusted choice for those seeking optimal functionality and efficiency in their operations.
Pros and Cons of Buying a Non-Locking Interlock Switch Key/Tongue (2NC 30294) by Banner (SI-QS90F)
Introduction:The Banner SI-QS90F non-locking interlock switch key/tongue (2NC 30294) is a component used in various industrial applications where machine safety is crucial. This switch ensures that one guard or machine door is completely closed before another can be operated. Here are the pros and cons of investing in this particular product.
Pros:1. Versatile application: The non-locking interlock switch is suitable for various industries, including food processing, manufacturing, automotive, and others where interlocking safety measures are essential.
2. Reliable and durable: Banner's SI-QS90F switch is known for its robust design, which can withstand the demands of harsh industrial environments.
3. Cost-effective: The non-locking interlock switch is relatively affordable in comparison to other safety devices, making it an attractive option for many businesses.
4. Easy to install: This switch can be installed quickly and easily, meaning minimal downtime for the machine or production line.
5. Customizable: The non-locking interlock switch is available in various sizes and configurations to accommodate different application requirements.
Cons:1. Limited safety function: While effective as a safety device, the non-locking interlock switch does not offer the same level of security as a locking switch, which could be a drawback for applications where additional security measures are necessary.
2. Requires proper installation and maintenance: For optimal performance, the non-locking interlock switch must be installed and maintained correctly. Failing to do so could result in malfunctions or accidents.
3. Manual operation: Unlike automated systems, this switch requires manual interaction to ensure guards are locked before proceeding, which could lead to inconsistencies or errors if not used correctly.
Conclusion:The Banner SI-QS90F non-locking interlock switch key/tongue (2NC 30294) is a valuable tool for improving safety in industrial settings. Its affordability, reliability, and ease of installation make it an attractive option for businesses. However, it is important to consider the limitations, such as the lack of automatic features and manual operation, when making a purchasing decision.
Recommendation:For applications where added security and automation are necessary, businesses may want to consider investing in locking interlock switches or automated safety systems. However, for those who require a cost-effective and easily installable solution to ensure machine safety with manual operation, the Banner SI-QS90F non-locking interlock switch key/tongue (2NC 30294) is a solid choice.
Details:
Item: 30294 location: Sr -112. Lake Zurich, IL. FDA.gov/cadre/divvies/. The item has been cleaned and handled in accordance with the manufacturers instructions.
If the item in this listing is medical device, following applies. Banner SI-QS90F non-locking interlock switch 49470 key/tongue 2nc 1 6a line 400vac.
specifications indusswitch:
- brand: Banner
- mpn: Si-qs90f
- part type: Switch Key
- current type: Ac
- current rating: 1-15 A
- fuse type: Switch
- material: Plastic
shipping indusswitch:
- service: ups ground, usps priority mail, ups next day air, ups 2nd day air
- transit: 3-7 days
- class: standard, expedited, one-day
- type: calculated
- carrier: ups, usps
payments indusswitch:
- credit card: mastercard
- wallet: paypal
- other
returns indusswitch:
- policy: returns accepted
- method: money back
- paid by: buyer
- time: 30 days
seller indusswitch:
- rating: 100.0%
- # reviews: 8584
- city: lake zurich, illinois
offer indusswitch:
- prices: $21.00–$152.83
- item condition:
- New – Open box
- Used
- For parts or not working
- New
- best offers: true
- started: february 4, 2025
- options: ship-to-home
- in stock #: 5
- availability: in stock
- sold #: 23
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Switches > Accessories
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