
9001KR9RH8 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $197.10 | Condition is New, UpTo 62 NEW at MostElectric: 9001KR9RH8 SQUARE D 9001-KR9RH8, shipping cost = $11.50 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $49.95 | Top Pick! Condition is New – Open box, SQUARE D 9001 KR9 Non-Illuminated Operator W/KA-3 Ser. H Contact Block, NOS. NIB, shipping cost = $6.07 | 100.0% |
![]() | $165.00 | Top Pick! Condition is New – Open box, NEW Square D 9001KR9RH8 Ser J Red Push/Pull Operated Pushbutton , FREE SHIPPING | 100.0% |

The 9001 Kr9 Rh8 series contact blocks, specifically modeled as Ka-3 types, are essential components in various automation and control applications. These non-illuminated contact blocks, manufactured by 9001, offer reliable and robust performance with their distinct features.
These contact blocks are designed to accommodate terminals with a thread size of Rh8 and are suitable for use in Operator Stations and Control Panels. They are ideal for applications requiring non-illuminated contact blocks, which may include machinery control, process automation, or other industrial settings where bright lights are not desirable.
The Ka-3 type contact blocks are characterized by their compact size and robust construction. They feature a rectangular design, measuring approximately 61mm in length, 28mm in width, and 19mm in height (including the mounting studs). These dimensions make them suitable for most standard control panel applications.
The contact blocks are made of high-quality materials, ensuring long-term durability and resistance to wear and tear. The contacts are made of silver-plated brass, which provides excellent electrical conductivity and reliability. The housing is typically made of a durable polyamide material, which offers resistance to environmental conditions and provides a stable base for the contacts.
The contact blocks have a rated current capacity of 10A and a voltage rating of 600V. They are designed to operate in temperatures ranging from -25 C to 70 C, making them suitable for use in a wide range of industrial environments.
The Ka-3 contact blocks come in sets of various quantities, allowing users to order the exact number they need for their specific application. Each contact block is designed to be easily installed and wired, making the installation process efficient and straightforward.
In summary, the 9001 Kr9 Rh8 Ka-3 series non-illuminated contact blocks are versatile and reliable components suitable for various industrial automation and control applications. Their compact size, robust construction, and high electrical conductivity make them an excellent choice for users seeking dependable and long-lasting contact blocks.
Pros and Cons of Buying Square KA-3 Contact Blocks (9001 Kr9 Rh8, 9001 Kr9 Non-Illuminated)
1. Pros of Buying Square KA-3 Contact Blocks:a. Durability: These contact blocks are known for their robustness and can withstand heavy usage in industrial applications.
b. Versatility: They come in various configurations, including non-illuminated and 2-pole versions, making them suitable for diverse applications.
c. Compatibility: These contact blocks are compatible with various control systems, increasing their value for users.
d. Cost-effective: Compared to other contact blocks in the market, these are reasonably priced, offering good value for money.
2. Cons of Buying Square KA-3 Contact Blocks:a. Limited Illumination: As these are non-illuminated contact blocks, they don't provide visual feedback, which might be a disadvantage for operators who require constant monitoring.
b. Installation Complexity: Installing these contact blocks may require some technical expertise, which could add to the installation cost and time.
3. Conclusion:The Square KA-3 Contact Blocks (9001 Kr9 Rh8, 9001 Kr9 Non-Illuminated) offer several advantages, including durability, versatility, compatibility, and cost-effectiveness. However, their lack of illumination and the complexity of installation could be potential drawbacks.
4. Recommendation:If your application requires constant visual monitoring, consider purchasing illuminated contact blocks instead. However, if you are looking for a robust, versatile, and cost-effective contact block solution, the Square KA-3 Contact Blocks (9001 Kr9 Rh8, 9001 Kr9 Non-Illuminated) would be a suitable choice.
Details:
Square9001 kr9 non-illuminated operator w/ka-3 ser. Includes class 9001 type kn-379 legend plate. The ka-3 series contact block may be outdated for your application; however, the kr9 operator is still functional and units are priced competitively.contact block, nos.
Bin gb37-balk.
specifications indusswitch:
- brand: Square D
- mpn: 9001kr9rh8
- model: 9001-kr9rh8
- part type: Contact Block
- operation method: On/off
- termination type: Screw
- fuse type: Switch
- switch style: Push Button/retractive
- application: Industrial, Commercial
- button color: Red
- suitable for: Exterior, Interior
offer indusswitch:
- availability: in stock
- prices: $49.95–$197.10
- item condition:
- New
- New – Open box
- sold #: 13
- options: ship-to-home
- started: february 4, 2026
- in stock #: 3
shipping indusswitch:
- class: standard
- carrier: usps
- type: calculated
- transit: 5-10 days
- service: usps ground advantage
returns indusswitch:
- policy: no returns
seller indusswitch:
- # reviews: 541
- rating: 99.7%
- city: west chester, pennsylvania
payments indusswitch:
- other
- credit card: diners-club
- wallet: paypal
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Pushbutton Switches
Also Purchased:
- 9001-DA11: CONTACT BLOCK, Square D
- 041814082486: BUTTON, Uxcell
- 041814082929: BUTTON, Uxcell
- HU363: SWITCH AMP POLE, Square D
- -FSG2J21: PRESSURE WATER PUMP SWITCH, Schneider Electric
- KNOX50057628-9007CO3: SWITCH, Industrial Mro
- 9001-TU-12: CAP, Square D
- PQ4620G: AMP PLUG SWITCH, Square D
- 9001-KM7: LAMP, Square D
- 9422TCF33: SWITCH HANDLE, Square D
- DU322: SWITCH AMP, Square D


