
42SR2-4001 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $8.99 | Condition is New – Open box, NEW ALLEN BRADLEY PHOTOSWITCH SER B 42SR2-4001, shipping cost = $19.45 | 99.5% |
![]() | $70.36 | Condition is New – Open box, 207896 New-No Box; Allen-Bradley 42SR2-4001L Sub-Compact Reflex Scanner, FREE SHIPPING | ![]() |
![]() | $59.99 | Condition is New – Open box, Allen-Bradley 42SR2-4001 Sub-Compact Reflex Scanner Photoswitch Ser B, shipping cost = $16.45 | 100.0% |
![]() | $80.00 | Condition is New – Open box, ALLEN BRADLEY 42SR2-4001 SER. B (GY/BL) NSMP, FREE SHIPPING | 99.9% |
![]() | $79.99 | Top Pick! Condition is New – Open box, Allen Bradley 42SR2-4001 42SR24001 Reflex Scanner nib, shipping cost = $15.21 | 100.0% |
![]() | $108.00 | Condition is New – Open box, ALLEN BRADLEY 42SR2-4001 SER.B SCANNER NSNP, FREE SHIPPING | 99.8% |
![]() | $108.00 | Condition is New – Open box, ALLEN BRADLEY 42SR2-4001 SER. B NSMP, FREE SHIPPING | 100.0% |
![]() | $100.00 | Top Pick! Condition is New – Open box, NEW ALLEN BRADLEY 42SR2-4001 PHOTOSWITCH REFLEX SCANNER 42SR24001, shipping cost = $9.95 | ![]() |
![]() | $109.00 | Condition is New – Open box, ALLEN BRADLEY 42SR2-4001 NSNP, FREE SHIPPING | 99.9% |
![]() | $100.00 | Top Pick! Condition is New – Open box, ALLEN BRADLEY PHOTOSWITCH SUN-CONTACT REFLEX SCANNER 42SR2-4001 SERIES B, shipping cost = $17.56 | 99.7% |
![]() | $130.00 | Condition is New – Open box, ALLEN BRADLEY 42SR2-4001 SER. B (BK/YL) NSMP, FREE SHIPPING | 99.9% |
![]() | $206.00 | Condition is New – Open box, ALLEN BRADLEY 42SR2-4001 -Surplus Open Box-, FREE SHIPPING | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $5.00 | Condition is New, Allen Bradley 42SR2-4001 Photoswitch Sub Compact Reflex Scanner Industrial OEM, shipping cost = $5.00 | 99.6% |
![]() | $18.99 | Condition is New, Allen Bradley Type 42SR2 Model 4001 Sub Compact Reflex Scanner 42SR2-4001, FREE SHIPPING | ![]() |
![]() | $19.99 | Condition is New, NEW ALLEN BRADLEY 42SR2-4001 SUB-COMPACT REFLEX SCANNER, FREE SHIPPING | 100.0% |
![]() | $19.99 | Condition is New, Allen Bradley 42SR2-4001 Sub-Compact Reflex Scanner Photoswitch NOS, FREE SHIPPING | 100.0% |
![]() | $19.99 | Condition is New, ALLEN BRADLEY 42SR2-4001 SUB-COMPACT REFLEX SCANNER W440, FREE SHIPPING | 100.0% |
![]() | $50.00 | Condition is New, FS Allen Bradley Sub Compact Reflex Scanner 20ft Cable 42SR2-4001L Ser B, FREE SHIPPING | 100.0% |
![]() | $59.00 | Condition is New, Brand New Factory Sealed Allen Bradley 42SR2-4001L Sub Compact Reflex Scanner, FREE SHIPPING | 100.0% |
![]() | $62.81 | Top Pick! Condition is New, Allen Bradley Sub-Compact Reflex Scanner 42SR2-4001 Series B , FREE SHIPPING | 99.8% |
![]() | $68.00 | Condition is New, Allen Bradley Sub-Compact Reflex Scanner 42SR2-4001 Series B , shipping cost = $7.60 | 99.6% |
![]() | $78.00 | Condition is New, ALLEN BRADLEY 42SR2-4001 SER.B SCANNER NSMP, FREE SHIPPING | 99.8% |
![]() | $78.00 | Condition is New, ALLEN BRADLEY 42SR2-4001 SER.B SCANNER (AS PICTURED) NSMP, FREE SHIPPING | 99.8% |
![]() | $75.00 | Condition is New, ALLEN BRADLEY PHOTOSWITCH 42SR2-4001 SER. B NEW 42SR24001, shipping cost = $5.95 | 100.0% |
![]() | $78.89 | Condition is New, Allen Bradley 42SR2-4001 Sub-Compact Reflex Scanner-New In Box, shipping cost = $14.00 | 99.9% |
![]() | $88.41 | Condition is New, Allen-Bradley 42SR2-4001 Sub-Compact Reflex Scanner Ser B Photoswitch, shipping cost = $17.76 | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $9.00 | Condition is Used, 42SR2-4001 /B Allen Bradley Photoswitch 42SR24001 R39, FREE SHIPPING | 100.0% |
![]() | $93.36 | Condition is Used, ALLEN BRADLEY 42SR2-4001 / 42SR24001 (USED), shipping cost = $12.90 | 99.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $106.93 | Condition is Seller refurbished, ALLEN BRADLEY 42SR2-4001 / 42SR24001 (NO BOX), shipping cost = $36.38 | 99.3% |
![]() | $123.13 | Condition is Seller refurbished, ALLEN BRADLEY 42SR2-4001 / 42SR24001 (IN BOX), shipping cost = $36.38 | 99.3% |



The Allen-Bradley 42SR2-4001/B Photoswitch 42SR24001 R39 is a versatile and reliable opto-isolated device designed for use in various industrial automation applications. This photocoupler, specifically the R39 variant, is known for its high performance and reliability, making it an ideal choice for applications that require safe and efficient signal transmission.
The 42SR2-4001/B Photoswitch features a high-quality photoemissive tube and an optically isolated relay contact. This design ensures that the input and output signals are completely isolated, preventing electrical interference and providing protection against voltage surges. The device is rated for a maximum voltage of 400VAC and a maximum current of 1A, making it suitable for use with a wide range of power sources.
The photoswitch has a compact and rugged design, with a dust-tight IP67 rating, ensuring that it can withstand harsh environmental conditions. It is also designed for easy installation, with a quick-connect terminal block and a wide range of available mounting options. The device is available in both normally open (NO) and normally closed (NC) configurations, providing flexibility in design and application.
In terms of performance, the 42SR2-4001/B Photoswitch has a fast switching time of 5ms, ensuring that signals are transmitted efficiently and without delay. It also has a high contact life of 10 million cycles, ensuring long-term reliability and reducing maintenance costs. The device is suitable for use in a wide range of applications, including motor control, lighting, and process control.
Overall, the Allen-Bradley 42SR2-4001/B Photoswitch 42SR24001 R39 is a high-performing and reliable opto-isolated device that is ideal for use in industrial automation applications. Its compact design, high performance, and long-term reliability make it a popular choice among engineers and designers in the industry.
The Allen-Bradley 42SR2-4001/B PhotoSwitch 42SR24001 R39 is a photovoltaic sensor used in industrial automation applications. Here are some pros and cons of buying this product:
Pros:1. Reliable and Durable: The Allen-Bradley 42SR2-4001/B PhotoSwitch is known for its reliability and durability, making it a suitable choice for harsh industrial environments.
2. Easy to Install and Use: The product is easy to install and operate, reducing downtime and complexity in the installation process.
3. High-Quality Sensor: The sensor has a high-quality photoelectric sensor that provides accurate and reliable detection of objects, reducing false alarms and improving safety.
4. Wide Operating Temperature Range: The sensor has a wide operating temperature range, making it suitable for use in various industrial environments.
Cons:1. High Cost: The Allen-Bradley 42SR2-4001/B PhotoSwitch is more expensive than some other photovoltaic sensors, which may be a deterrent for some buyers.
2. Limited Compatibility: The sensor may not be compatible with all industrial automation systems, requiring additional equipment or software to integrate it with existing systems.
3. Maintenance Requirements: The sensor may require regular maintenance to ensure optimal performance, which can be a drawback for some users.
Conclusion:The Allen-Bradley 42SR2-4001/B PhotoSwitch 42SR24001 R39 is a reliable and durable photovoltaic sensor that provides accurate object detection in industrial environments. While it may be more expensive than some other options and require regular maintenance, its high-quality sensor and wide operating temperature range make it a worthwhile investment for many industrial automation applications. Ultimately, the decision to buy the Allen-Bradley 42SR2-4001/B PhotoSwitch should be based on the specific needs and budget of the user.
Details:
Condition: clean used. Warranty: guaranteed to be in the condition described and function properly. 60 day return option if item does not function properly. Ups or USPS are the only carriers used for shipping.
Item: Allen Bradley 42SR2-4001. Re-use, re-cycle.
specifications indusswitch:
- brand: Allen-bradley
- mpn: 42sr2-4001
shipping indusswitch:
- service: usps ground advantage, usps priority mail, ups 2nd day air, ups next day air
- transit: 3-8 days
- carrier: usps, ups
- type: calculated
- class: standard, expedited, one-day
payments indusswitch:
- wallet: apple-pay
- other
- credit card: visa
seller indusswitch:
- city: knoxville, iowa
- rating: 99.8%
- # reviews: 23726
offer indusswitch:
- options: ship-to-home
- availability: in stock
- prices: $50.00–$206.00
- item condition:
- New – Open box
- New
- Used
- Seller refurbished
- sold #: 30
- started: august 26, 2024
- in stock #: 5
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Switches > Accessories
returns indusswitch:
- method: money back
- paid by: buyer
- time: 30 days
- policy: returns accepted
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