
800MR-HH2BLAS Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $18.99 | Condition is New, NEW ALLEN-BRADLEY 800MR-HH2BLAS SER.C 2-POSITION SELECTOR SWITCH BLACK KNOB, FREE SHIPPING | 100.0% |
![]() | $96.00 | Condition is New, ALLEN BRADLEY 800MR-HH2BLAS SER.C BLACK KNOB SELECTOR SWITCH NSMP, FREE SHIPPING | 99.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $49.99 | Top Pick! Condition is New – Open box, New Allen Bradley 800MR-HH2BLAS Ser. C 800MRHH2BLAS Small Round Switch Unit, shipping cost = $5.99 | 100.0% |
![]() | $55.00 | Condition is New – Open box, ALLEN BRADLEY 800MR-HH2BLAS SER. C (AS PICTURED) (WH) NSMP, FREE SHIPPING | 99.9% |
![]() | $55.00 | Condition is New – Open box, ALLEN BRADLEY 800MR-HH2BLAS SER. C 300VAC (WH) NSMP, FREE SHIPPING | 99.9% |
![]() | $80.00 | Condition is New – Open box, Allen Bradley 800MR-JH9BLAS Ser C , shipping cost = $15.79 | 99.7% |
![]() | $174.00 | Condition is New – Open box, ALLEN BRADLEY 800MR-HH2BLAS SER. C 300VAC (BK/YL) NSMP, FREE SHIPPING | 99.9% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $147.32 | Condition is Used, ALLEN BRADLEY 800MR-HH2BLAS / 800MRHH2BLAS (USED), shipping cost = $12.90 | 99.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $163.94 | Condition is Seller refurbished, ALLEN BRADLEY 800MR-HH2BLAS / 800MRHH2BLAS (NO BOX), shipping cost = $36.48 | 99.3% |

The Allen-Bradley 800MR-HH2BLAS Series C Knob Selector Switch is a versatile and robust component designed for applications requiring multiple circuit selection in industrial automation systems. This switch is part of Rockwell Automation's Allen-Bradley product line, known for delivering high-performance and reliable solutions.
The 800MR-HH2BLAS switch comes in a compact, round knob design, offering easy and intuitive operation. Its Series C designation signifies its compatibility with ControlLogix and CompactLogix PAC systems, making it an ideal choice for those utilizing these platforms. This switch is also NSMP (Networked Input/Output System Module Product) compliant, allowing seamless integration into Rockwell's ControlNet and EtherNet/IP networks.
The Allen-Bradley 800MR-HH2BLAS switch features a stainless steel housing, ensuring durability and resistance to harsh environments. The knob is designed with a captive nut, ensuring it stays securely in place during operation. This switch supports up to 12 positions, allowing for ample choices in circuit selection. Each position offers a clear and distinct label, ensuring accurate identification of the corresponding circuit.
The 800MR-HH2BLAS switch is rated for a maximum voltage of 24Vdc and a maximum current of 1.5A at 25 C. It offers a wide operating temperature range of -40 C to 70 C, catering to various industrial applications. This switch also comes with a built-in LED indicator, providing visual confirmation of the selected position.
The Allen-Bradley 800MR-HH2BLAS Series C Knob Selector Switch is designed to meet the stringent performance requirements of industrial automation applications. Its rugged construction, compatibility with popular Rockwell Automation platforms, and easy-to-use design make it an excellent choice for those seeking a reliable and versatile circuit selection solution.
The Allen-Bradley 800MR-HH2BLAS Series C Knob Selector Switch (NSMP) is a versatile and reliable switching solution for various industrial automation applications. Here are some pros and cons to help you make an informed decision about purchasing this switch:
Pros:1. Versatility: This switch can be used in a wide range of applications due to its various mounting configurations and voltage ratings.
2. Ease of Use: The knob selector switch design provides a user-friendly interface, making it easy to operate and adjust settings.
3. Durability: Allen-Bradley products are known for their high-quality and durability, making this switch a reliable choice for industrial applications.
4. Integration: This switch is compatible with Rockwell Automation's RSLogix 5000 and Studio 5000 software, making it easy to integrate into control systems.
Cons:1. Cost: The Allen-Bradley 800MR-HH2BLAS Series C Knob Selector Switch (NSMP) may be more expensive than some other switching solutions on the market.
2. Complexity: While the knob selector switch design is user-friendly, the switch may require some configuration and setup to ensure proper functionality.
3. Size: This switch may be larger than some other switching solutions, which could impact installation and mounting considerations.
In conclusion, the Allen-Bradley 800MR-HH2BLAS Series C Knob Selector Switch (NSMP) offers versatility, ease of use, durability, and integration capabilities that make it a strong contender for industrial automation applications. However, its cost, complexity, and size may be disadvantages for some users.
Recommendation:If your application requires a reliable, user-friendly, and versatile switching solution, the Allen-Bradley 800MR-HH2BLAS Series C Knob Selector Switch (NSMP) is a strong recommendation. However, if cost is a significant factor, or if your application has unique size or complexity requirements, it may be worth exploring other switching solutions to find the best fit for your needs.
Details:
Rest assured that you're getting a good deal when purchasing with us. No questions asked. Allen Bradley 800MR-HH2BLAS ser.c black knob selector switch nsmp. Features details fast and free shipping you're already purchasing the item.
specifications indusswitch:
- brand: Allen Bradley
- mpn: 800mr-hh2blas
- part type: Knob Switch
- color: Black
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Selector Switches
payments indusswitch:
- credit card: diners-club
- other
- wallet: google-pay
returns indusswitch:
- paid by: buyer
- policy: returns accepted
- method: money back
- time: 30 days
shipping indusswitch:
- service: usps first class
- class: standard
- transit: 4-9 days
- carrier: usps
- type: fixed
seller indusswitch:
- city: knoxville, tennessee
- rating: 99.8%
- # reviews: 23633
offer indusswitch:
- availability: in stock
- prices: $18.99–$174.00
- item condition:
- New
- New – Open box
- Used
- Seller refurbished
- options: ship-to-home
- started: may 14, 2026
- sold #: 13
- in stock #: 5
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