
HY57B Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $22.78 | Condition is New – Open box, QTY:1pc KEDU HY57B Emergency Stop Push Button Switch, shipping cost = $1.00 | 99.7% |
![]() | $22.79 | Top Pick! Condition is New – Open box, QTY:1pc KEDU Emergency Stop Push Button Switch HY57B, shipping cost = $3.00 | 99.6% |
![]() | $22.79 | Condition is New – Open box, QTY:1pc KEDU HY57B Emergency Stop Push Button Switch, shipping cost = $3.00 | 99.3% |
![]() | $23.16 | Condition is New – Open box, QTY:1pc KEDU HY57B Emergency Stop Push Button Switch, shipping cost = $3.00 | 100.0% |
![]() | $27.83 | Top Pick! Condition is New – Open box, 1PCS KEDU HY57B Emergency Stop Push Button Switch New, FREE SHIPPING | 96.2% |
![]() | $28.06 | Condition is New – Open box, QTY:1pc KEDU HY57B Emergency Stop Push Button Switch #ke, FREE SHIPPING | 98.4% |
![]() | $28.80 | Condition is New – Open box, QTY:1pc KEDU HY57B Emergency Stop Push Button Switch, FREE SHIPPING | 100.0% |
![]() | $29.81 | Condition is New – Open box, QTY:1pc KEDU HY57B Emergency Stop Push Button Switch , FREE SHIPPING | 100.0% |
![]() | $22.57 | Condition is New – Open box, KEDU HY57B Emergency Stop Push Button Switch 1PC, shipping cost = $8.07 | 100.0% |
![]() | $26.00 | Condition is New – Open box, KEDU HY57B Round Emergency Stop Pushbutton Switches 125V/250V 18A/12A 1NO Red, shipping cost = $8.60 | 99.5% |
![]() | $36.25 | Top Pick! Condition is New – Open box, 1PCS KEDU HY57B Emergency Stop Push Button Switch New, FREE SHIPPING | 99.6% |
![]() | $23.98 | Condition is New – Open box, 1pc KEDU HY57B Emergency Stop Push Button Switch #VG95 CH, shipping cost = $15.00 | 99.2% |
![]() | $38.48 | Condition is New – Open box, 1pc KEDU HY57B Emergency Stop Push Button Switch #VG95 CH-/55, FREE SHIPPING | 95.2% |
![]() | $80.00 | Condition is New – Open box, 4 X KEDU HY57B Round Button Switch 125V/250V 18A/12A, shipping cost = $10.00 | 98.9% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $31.78 | Top Pick! Condition is Neu, 1pc KEDU HY57B Emergency Stop Push Button Switch #A6-9, shipping cost = $13.95 | 99.3% |
![]() | $30.14 | Top Pick! Condition is Neu, 1pc KEDU HY57B Emergency Stop Push Button Switch #zb, shipping cost = $16.09 | 93.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $27.00 | Condition is New, New For KEDU HY57B Round Emergency Stop Pushbutton Switch 125V/250V 18A/12A 1NO, shipping cost = $5.00 | 98.9% |
![]() | $30.94 | Top Pick! Condition is New, KEDU HY57B 125V/250V 18A/12A 1NO Red Electric Emergency Stop Pushbutton Switches, shipping cost = $5.75 | 100.0% |

Introducing the KEDU Hy57B Round Emergency Pushbutton Switches, a must-have safety solution for any residential or commercial setting operating at 125V or 250V voltage levels. These switches are designed to provide reliable and fast emergency power activation during power outages or other unexpected situations.
The KEDU Hy57B switches come in a round shape, adding a sleek and modern look to your electrical setup. They are available in two current ratings: 12A for single-pole, single-throw (SPST) applications and 18A for SPST applications that require higher current capacity. The switches are rated for 1 NO (Normally Open) contact, making them suitable for various emergency lighting and power applications.
Each switch is engineered with durability in mind, featuring a robust die-cast aluminum housing and a corrosion-resistant brass contact. The switch's contacts are designed to provide a long-lasting, secure connection, ensuring reliable operation even during high current loads.
The KEDU Hy57B Round Emergency Pushbutton Switches are easy to install, with clear markings on the switch indicating the "Normal" and "Emergency" positions. The switches can be mounted on a surface using the provided mounting screws, making the installation process quick and hassle-free.
These switches are UL listed, ensuring they meet the stringent safety standards set by Underwriters Laboratories. They are also RoHS compliant, meaning they are free of hazardous substances such as lead, mercury, and cadmium.
The KEDU Hy57B Round Emergency Pushbutton Switches are an essential addition to any electrical system, providing peace of mind and safety during power outages or other emergencies. Their modern design, durability, and easy installation process make them a smart choice for both residential and commercial applications.
KEDU Hy57B Round Emergency Pushbutton Switches are commonly used in various applications where an emergency power source is required. These switches come in different voltage and amperage ratings, and in this discussion, we will focus on the 125V/250V 18A/12A 1NO version. Let's examine the pros and cons of buying these switches.
Pros:1. Robust Design: KEDU Hy57B switches are known for their durable construction, making them suitable for heavy-duty applications. They have a corrosion-resistant body and a clear lens that allows easy identification of the switch's status.
2. Versatile: These switches can be used in various applications, including emergency lighting systems, backup power supplies, and fire alarm systems. They can handle a wide range of voltage and amperage ratings, making them a versatile option for different applications.
3. Easy Installation: The KEDU Hy57B switches are relatively easy to install, and they come with clear instructions and mounting hardware. They can be wired in series or parallel, depending on the application requirements.
4. Cost-Effective: Compared to other emergency pushbutton switches in the market, KEDU Hy57B switches are relatively affordable, making them a cost-effective option for many applications.
Cons:1. Limited Rating: While the KEDU Hy57B switches come in various voltage and amperage ratings, they may not be suitable for high-power applications. For instance, they may not be ideal for industrial equipment or large-scale emergency power systems.
2. Manual Operation: These switches are manually operated, which means that they rely on human intervention to activate the emergency power source. This may not be the most efficient solution for applications where automatic switching is required.
3. Limited Customization: The KEDU Hy57B switches come in a standard design, and there may be limited options for customization. For instance, customers may not be able to choose the color or labeling of the switch.
Conclusion:The KEDU Hy57B Round Emergency Pushbutton Switches are a reliable and cost-effective option for various applications where an emergency power source is required. They offer a robust design, versatility, and easy installation. However, they may not be suitable for high-power applications, and they are manually operated, which may not be the most efficient solution. Therefore, customers should carefully consider their application requirements before deciding to purchase these switches.
Recommendation:If you are looking for a reliable and cost-effective emergency pushbutton switch for applications where a manual switch is suitable, then the KEDU Hy57B Round Emergency Pushbutton Switches are an excellent option. However, if you require a switch for high-power applications or automatic switching, you may need to explore other options in the market.
Details:
Kedu HY57B round emergency stop pushbutton switches 125v/250v 18a/12a 1no red. Open box no packaging.
specifications indusswitch:
- brand: Kedu
- mpn: Hy57b
- fuse type: No
- switch style: Push Button/retractive
- suitable for: Interior
- switch action: On Off
- current type: Ac
- contact material: Metal
- features: Emergency Stop, On/off Switch
- finish: Silber
- button color: Red Black
- maximum amperage: 18a
- current rating: 16-30 A
- button type: Push Button Switch
- operation method: On/off
- type: Maintaining Switch
- coil voltage: 125/250v
- button shape: Round
- application: Electronics
- country of origin: China
returns indusswitch:
- time: 30 days
- method: money back
- paid by: buyer
- policy: returns accepted
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Pushbutton Switches
shipping indusswitch:
- transit: 4-10 days
- carrier: usps
- type: calculated
- class: standard
- service: usps first class
payments indusswitch:
- other
- wallet: paypal
- credit card: mastercard
offer indusswitch:
- started: november 22, 2025
- in stock #: 5
- prices: $22.57–$80.00
- item condition:
- New – Open box
- Neu
- New
- availability: in stock
- options: ship-to-home
- sold #: 10
seller indusswitch:
- rating: 99.7%
- city: utica, michigan
- # reviews: 25341
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