
K4123 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $6.73 | Condition is New – Open box, Intermatic K4123C, 208 to 277 VAC 50/60 Hz, Thermal Photocontrol, 1pc, shipping cost = $7.99 | ![]() |
![]() | $6.73 | Condition is New – Open box, Intermatic K4123C, 208/277 VAC, Thermal Photocontrol, 1 pc, shipping cost = $7.99 | ![]() |
![]() | $8.95 | Condition is New – Open box, Intermatic K4123-8 15Amp 1/2" 208/277 Stem Mount Photo Control New, shipping cost = $5.75 | 99.2% |
![]() | $15.00 | Condition is New – Open box, INTERMATIC INCORPORATED K4123-8 PHOTO CONTROL NSNP, FREE SHIPPING | 99.8% |
![]() | $15.99 | Condition is New – Open box, Intermatic K4123C Threaded Stem Mount Photocontrol Light Sensor 208-277V, FREE SHIPPING | 99.9% |
![]() | $16.99 | Condition is New – Open box, (Lot Of 2) Intermatic Thermal Photocontrol K4123C LDJ2-D , FREE SHIPPING | 99.8% |
![]() | $7.55 | Condition is New – Open box, Intermatic K4123C Stem Mount Thermal Photocontrol, 208-277 V FNOB, shipping cost = $11.35 | 99.8% |
![]() | $14.95 | Condition is New – Open box, INTERMATIC K4123C NSFB, shipping cost = $5.00 | 99.6% |
![]() | $14.99 | Condition is New – Open box, Intermatic K4123C Threaded Stem Mount Photocontrol Light Sensor 208-277V, shipping cost = $5.97 | 99.8% |
![]() | $13.50 | Condition is New – Open box, INTERMATIC K4123C SENSOR NEW - New In Box, shipping cost = $7.44 | 99.8% |
![]() | $20.00 | Top Pick! Condition is New – Open box, INTERMATIC K4123C PHOTO CONTROL STEM MOUNT 1/2" 208-277VAC I-877, FREE SHIPPING | 100.0% |
![]() | $22.90 | Condition is New – Open box, NEW INTERMATIC K4123 STEM MOUNT PHOTO CONTROL 208/277V K4123C, FREE SHIPPING | 100.0% |
![]() | $16.95 | Condition is New – Open box, SEALED NOS! INTERMATIC STEM MOUNT PHOTO CONTROL K4123C 15A 208-277VAC, shipping cost = $8.35 | 100.0% |
![]() | $15.77 | Condition is New – Open box, INTERMATIC K4123C 15A 208-277V PHOTO CONTROL a457, shipping cost = $10.95 | 99.7% |
![]() | $25.00 | Condition is New – Open box, INTERMATIC K4123C 15A 208-277V PHOTO CONTROL, FREE SHIPPING | 99.7% |
![]() | $19.95 | Condition is New – Open box, Intermatic K4123-8/K41238 208/277 VAC, shipping cost = $7.60 | 100.0% |
![]() | $10.00 | Condition is New – Open box, Intermatic K4123C Photo Control Stem Mount 208-277 VAC 1/2"-14 A8000ISU, shipping cost = $17.56 | 100.0% |
![]() | $11.00 | Condition is New – Open box, INTERMATIC K4123 NSNP, shipping cost = $16.50 | 99.9% |
![]() | $22.99 | Top Pick! Condition is New – Open box, (Qty 3) Intermatic Photo Control - K4123C Stem Mount - 208-277 VAC New, shipping cost = $5.99 | 100.0% |
![]() | $17.64 | Top Pick! Condition is New – Open box, INTERMATIC K4123-8 / K41238 (NEW IN BOX), shipping cost = $12.90 | 99.7% |
![]() | $21.00 | Condition is New – Open box, Intermatic K4123C Threaded Stem Mount Photocontrol Light Sensor 208-277V, shipping cost = $8.30 | 100.0% |
![]() | $29.00 | Condition is New – Open box, INTERMATIC K4123C, FREE SHIPPING | 100.0% |
![]() | $19.00 | Condition is New – Open box, INTERMATIC K4123C (AS PICTURED) NSMP, shipping cost = $16.50 | 99.9% |
![]() | $19.00 | Condition is New – Open box, INTERMATIC K4123C 277V NSMP, shipping cost = $16.50 | 99.9% |
![]() | $21.00 | Top Pick! Condition is New – Open box, Intermatic Photo Control - K4123C - Stem Mount -- 208-277 V - 15 Amps -New, shipping cost = $14.50 | 100.0% |
![]() | $20.00 | Condition is New – Open box, INTERMATIC K4123C NSNP, shipping cost = $16.50 | 99.9% |
![]() | $20.00 | Condition is New – Open box, INTERMATIC K4123-8 208/277VAC 8.3A NSMP, shipping cost = $16.50 | 99.9% |
![]() | $20.00 | Condition is New – Open box, INTERMATIC K4123-8 5U788 NSMP, shipping cost = $16.50 | 99.9% |
![]() | $25.00 | Top Pick! Condition is New – Open box, Intermatic, Photo Control, Stem Mount, K4123C, shipping cost = $11.54 | 100.0% |
![]() | $25.00 | Condition is New – Open box, INTERMATIC K4123C 208-277VAC NSMP, shipping cost = $16.50 | 99.9% |
![]() | $31.95 | Condition is New – Open box, INTERMATIC K4123M STEM MOUNT PHOTO CONTROL, shipping cost = $11.90 | 100.0% |
![]() | $45.00 | Top Pick! Condition is New – Open box, INTERMATIC K4123C / K4123C (NEW IN BOX), shipping cost = $12.90 | 99.7% |
![]() | $59.00 | Condition is New – Open box, LOT OF 2 NEW INTERMATIC K4123C PHOTOCONTROL 208-277VAC 50/60HZ, FREE SHIPPING | 100.0% |
![]() | $62.00 | Condition is New – Open box, LOT OF 2 NEW INTERMATIC K4123C PHOTO CONTROL 208-277VAC, FREE SHIPPING | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $11.94 | Condition is New, INTERMATIC Model K4123-8 Photo Control 208/277V 3100/4150W 8.3A (15A max)., FREE SHIPPING | 100.0% |
![]() | $12.00 | Condition is New, INTERMATIC MODEL K4123-8 PHOTO CONTROL W251, FREE SHIPPING | 100.0% |
![]() | $13.99 | Condition is New, Intermatic K4123C, 208/277 VAC, Thermal Photocontrol, 1 pc, FREE SHIPPING | 98.4% |
![]() | $14.99 | Condition is New, NEW INTERMATIC MODEL K4123-8 PHOTO CONTROL, FREE SHIPPING | 100.0% |
![]() | $10.99 | Condition is New, Intermatic Photo Control,photo Cell K4123C, 208/277 Volt, shipping cost = $6.58 | 100.0% |
![]() | $7.98 | Condition is New, Intermatic K4123C Stem Mount Thermal Photocontrol, 208-277 V FNFP, shipping cost = $11.35 | 99.8% |
![]() | $19.99 | Condition is New, Intermatic K4123C, 208 to 277 VAC 50/60 Hz, Thermal Photocontrol, 1pc, FREE SHIPPING | 100.0% |
![]() | $17.50 | Condition is New, New Intermatic K4123C 208-277V Stem Mount Thermal Photocontrol, shipping cost = $5.97 | 100.0% |
![]() | $15.00 | Condition is New, INTERMATIC K4123 PHOTOELECTRIC SENSOR NEW IN BOX, shipping cost = $8.00 | 100.0% |
![]() | $19.99 | Top Pick! Condition is New, Intermatic K4123C Thermal Photocontrol Stem Mount 208-277V Gray Plastic, shipping cost = $5.97 | 100.0% |
![]() | $24.95 | Condition is New, INTERMATIC K4123C Photocontrol Stem 208 to 277VAC, FREE SHIPPING | 100.0% |
![]() | $24.99 | Condition is New, NOS Intermatic K4123-8/K41238 208/277 VAC, FREE SHIPPING | 100.0% |
![]() | $25.00 | Condition is New, INTERMATIC K4123C 15A 208-277V PHOTO CONTROL, FREE SHIPPING | 99.7% |
![]() | $25.99 | Condition is New, Intermatic K4123-8 Threaded Stem Mount Photocontrol Light Sensor 208-277V, FREE SHIPPING | 99.9% |
![]() | $9.00 | Condition is New, *NEW OLD STOCK* INTERMATIC K4123C PHOTOELECTRIC SENSOR, shipping cost = $17.02 | 100.0% |
![]() | $15.99 | Condition is New, Intermatic K4123C Photo Control Polycarbonate Stem Mount Gray 277V 5U788 - NIB, shipping cost = $11.35 | 99.0% |
![]() | $19.00 | Condition is New, Intermatic Photo Control - K4123C - Stem Mount -- 208-277 V - 15 Amps -New, shipping cost = $8.76 | 99.7% |
![]() | $23.00 | Condition is New, New Intermatic K4233 Photo Control Stem Mount with Swivel 277V 15A, shipping cost = $5.00 | ![]() |
![]() | $23.99 | Condition is New, Lot 4 Intermatic K4021C K4123c K4223c 120-Volt Fixed Position Photo Control G07, shipping cost = $6.99 | 98.2% |
![]() | $24.99 | Condition is New, Intermatic K4123C Photo Control Stem Mount 1/2" 208-277VAC, shipping cost = $5.97 | 100.0% |
![]() | $29.99 | Condition is New, NEW INTERMATIC K4123 PHOTO CONTROL SENSOR 208-277 VAC, FREE SHIPPING | 100.0% |
![]() | $25.86 | Condition is New, Intermatic K4123c Fluorescent, Hid, Incandescent Photocontrol, 4, 150 W,, shipping cost = $5.00 | 99.8% |
![]() | $32.00 | Condition is New, Intermatic K4123C K4100 Stem Mounting Photocontrol, 208 to 277 VAC, FREE SHIPPING | 100.0% |
![]() | $30.00 | Top Pick! Condition is New, Intermatic Thermal Photocontrol Stem Mount K4123C New, shipping cost = $8.95 | 99.7% |
![]() | $38.44 | Condition is New, Intermatic K4123C Stem Mount Photoelectric Control, FREE SHIPPING | 99.9% |
![]() | $39.99 | Condition is New, INTERMATIC 208-277V K4123M STEM MOUNT PHOTO CONTROL, NEW IN BOX, FREE SHIPPING | 99.6% |
![]() | $43.55 | Condition is New, Intermatic K4123C Stem Mounting Photocontrol 208 to 277VAC, FREE SHIPPING | ![]() |
![]() | $46.21 | Condition is New, INTERMATIC K4123C Photocontrol, Polycarbonate, Stem, Gray 5U788, shipping cost = $7.99 | ![]() |
![]() | $59.00 | Condition is New, INTERMATIC K4123C / K4123C (BRAND NEW), shipping cost = $12.90 | 99.7% |
![]() | $75.00 | Condition is New, Lot Of Five Intermatic K4123C Photo Control (Stem Mount) 208-277 Volt AC, shipping cost = $15.10 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $9.45 | Condition is Used, Intermatic Incorporated K4123C 208/277V , FREE SHIPPING | ![]() |
![]() | $8.99 | Condition is Used, INTERMATIC K4123 SENSOR USED, shipping cost = $7.44 | 99.8% |
![]() | $9.00 | Condition is Used, INTERMATIC K4123C SENSOR USED (1229180693 - ), shipping cost = $7.44 | 99.8% |
![]() | $12.00 | Condition is Used, Intermatic K4123C 208-277Vca 1/2" -14 threaded stem Photo Control Stem Mount, shipping cost = $5.00 | 99.8% |
![]() | $10.00 | Condition is Used, INTERMATIC K4123 PHOTO CONTROL STEM MOUNT UNMP, shipping cost = $16.50 | 99.9% |
![]() | $38.06 | Top Pick! Condition is Used, Intermatic K4123C Electronic Photo Control Photocell Dusk to Dawn Twist-Lock, FREE SHIPPING | ![]() |
![]() | $22.00 | Condition is Used, INTERMATIC STEM MOUNT PHOTO CONTROL 208/277V MODEL: K4123C (1-65-1) 223972, shipping cost = $18.75 | 98.1% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $13.00 | Condition is Open box, Intermatic K4123C Photo Control (Stem Mount), shipping cost = $5.00 | 98.0% |

The Intermatic K4123 Proximity Photoelectric Switch is an advanced automation solution designed to provide reliable and energy-efficient lighting control. This switch operates using photoelectric technology, which makes it ideal for environments where natural light levels vary.
The K4123 switch features a robust, all-weather design, making it suitable for installation in both indoor and outdoor applications. It is constructed with high-quality materials that ensure durability and resistance to harsh environmental conditions. The switch comes with a white, corrosion-resistant housing and a clear, temperature-resistant lens for optimal performance.
The photoelectric sensor in the Intermatic K4123 switch is designed to detect the presence of objects within its field of view. It can be adjusted to cover a wide range of distances, making it adaptable to various lighting environments. The switch operates with a sensing range of up to 10 feet (3 meters) and offers a quick response time for efficient and accurate operation.
One of the key advantages of the Intermatic K4123 Proximity Photoelectric Switch is its energy-saving capabilities. By automatically turning on and off the connected lighting based on the presence of people or objects, it helps reduce energy consumption and lower utility bills. Additionally, it can be used in conjunction with other energy management systems to create more comprehensive and cost-effective lighting control solutions.
The installation process for the Intermatic K4123 switch is straightforward and requires minimal effort. It is designed to fit standard junction boxes and can be wired using the provided terminals. The switch also features a convenient test button, which allows users to verify its functionality before and after installation.
In summary, the Intermatic K4123 Proximity Photoelectric Switch is a versatile and reliable automation solution for lighting control applications. Its advanced photoelectric technology, durable construction, and energy-saving capabilities make it an excellent choice for various indoor and outdoor environments. With its easy installation process and user-friendly design, the K4123 switch offers a cost-effective and efficient way to manage lighting and improve energy efficiency.
Intermatic K4123 Proximity Photoelectric Switches are commonly used for automatic lighting control in various applications such as warehouses, factories, and outdoor lighting systems. Here are some pros and cons of buying these switches:
Pros:1. Energy Efficiency: These switches turn on the lights only when motion is detected, making them energy-efficient and cost-effective in the long run.
2. Durability: Intermatic K4123 switches are built to withstand harsh environments, making them suitable for industrial applications. They are weather-resistant and can operate in temperatures ranging from -40 F to 140 F.
3. Adjustable Sensitivity: These switches offer adjustable sensitivity settings, allowing users to customize the switch's response to motion.
4. Versatile: Intermatic K4123 switches can be used to control various types of lights, including fluorescent, HID, and LED.
5. Easy Installation: These switches are easy to install and can be wired in series or parallel with other switches.
Cons:1. Limited Coverage Area: The coverage area of these switches is limited, and they may not be suitable for large areas or for applications where motion is detected from a long distance.
2. Sensitivity to False Triggers: These switches can be sensitive to false triggers, such as animals or moving shadows. This can lead to unnecessary light activation and energy waste.
3. Cost: Intermatic K4123 switches can be more expensive than other types of switches, such as manual switches or timers.
4. Complexity: These switches may require more complex wiring than manual switches or timers, which can make installation more difficult and time-consuming.
In conclusion, Intermatic K4123 Proximity Photoelectric Switches offer energy efficiency, durability, adjustable sensitivity, versatility, and easy installation, making them a suitable choice for automatic lighting control in various applications. However, they have some disadvantages, such as limited coverage area, sensitivity to false triggers, cost, and complexity.
If you are looking for a cost-effective solution for lighting control in a small area, manual switches or timers may be a better option. However, if you require automatic lighting control in a harsh environment or for a large area, Intermatic K4123 Proximity Photoelectric Switches are a reliable and efficient choice.
Details:
Intermatic K4123 proximity and photoelectric switches. New in open box.
specifications indusswitch:
- brand: Intermatic
- mpn: K4123
- type: Proximity And Photoelectric Switches
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Switches > Accessories
payments indusswitch:
- wallet: apple-pay
- other
- credit card: visa
shipping indusswitch:
- service: usps first class
- carrier: usps
- class: standard
- transit: 4-8 days
- type: calculated
returns indusswitch:
- paid by: buyer
- time: 30 days
- method: money back
- policy: returns accepted
offer indusswitch:
- in stock #: 5
- started: may 29, 2025
- prices: $6.73–$75.00
- item condition:
- New – Open box
- New
- Used
- Open box
- options: ship-to-home
- sold #: 16
- availability: in stock
seller indusswitch:
- # reviews: 3442
- rating: 99.1%
- city: arlington, virginia
Also Purchased:
- 785524978935: MOUNT STEM TOP, Intermatic






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