# Nexen 843201 Air Engaged Drum Brake - Open, 720 inlb Max Static Torque, 7.00 in Length - MROSupply.com

***Nexen 843201 is an air engaged drum brake with a spring release mechanism. It features an open design, black oxide finish, and fixed top housing. The brake delivers 720 inlb max static torque and 1.50 hp peak thermal input rate. It supports continuous slip, cyclic dynamic, e-stop, and holding braking capabilities. Inlet size is 0.125 NPT. Shaft inertia is 9.79 lbin². CE and RoHS certified.***



## Product details:

- Catalog number: 843201
- SKU: 534221
- Price: ***$535.83*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 3 days
- Brand: [Nexen](https://www.mrosupply.com/brands/nexen/)
- Category: 
    - [Pneumatic Brakes](htts://www.mrosupply.com/clutches-and-brakes/pneumatic-clutches-brakes/pneumatic-brakes/)
    - [Pneumatic Clutches & Brakes](htts://www.mrosupply.com/clutches-and-brakes/pneumatic-clutches-brakes/)
    - [Clutches and Brakes](htts://www.mrosupply.com/clutches-and-brakes/)
- Unit of measure: each
- Weight: 7.500 lb
- Technicall support: contact supplier for technical support on 800 843 7445


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Anti rotation style: Slot for Pin, Foot Mounting Bracket Sold Separately
  

  
- Approximate brake facing life: 998 hphr
  

  
- Brake air chamber volume when new: 6.283 in³
  

  
- Brake air chamber volume when worn out: 12.566 in³
  

  
- Brake facing edge color code: Green
  

  
- Brake facing effective area: 1.6 in²
  

  
- Brake facing type: Low Coefficient
  

  
- Brake heat sink capacity: 70000 ftlb
  

  
- Brake peak thermal input rate: 1.50 hp
  

  
- Brake torque: 720 inlb
  

  
- Braking capability: Continuous Slip, Cyclic Dynamic, E-Stop, Holding
  

  
- CE certified: CE
  

  
- Enclosure: Open
  

  
- Engagement method: Air
  

  
- Finish: Black oxide
  

  
- Housing type: Fixed Top
  

  
- Inlet size: 0.125 NPT
  

  
- Length: 7.00 in
  

  
- Materials of construction: Black oxide
  

  
- Max allowable pressure (psi): 120
  

  
- Max ambient temperature (°F): 150
  

  
- Max brake continuous thermal dissipation: 0.50 hp
  

  
- Max operating pressure (psi): 80
  

  
- Max static brake torque: 720 inlb
  

  
- Min ambient temperature (°F): 32
  

  
- Min engagement pressure (psi): 2
  

  
- Open or enclosed design: Open
  

  
- Product features: Air Engaged, Shoe Only, Drum Required
  

  
- Release method: Spring
  

  
- RoHS compliant: RoHS
  

  
- Shaft inertia: 9.79 lbin²
  

  
- Unit height: 9 in
  

  
- Unit width: 7 in
  
## Product documents / software:

- [Cutaway](https://documents.mrosupply.com/product_documents/84/843201/KBrakeCutaway.gif)
- [PDF Cad Drawing](https://documents.mrosupply.com/product_documents/84/843201/843201s.pdf)
- [Thermalgraph](https://documents.mrosupply.com/product_documents/84/843201/4KThermalGraph.jpg)
- [Torquegraph](https://documents.mrosupply.com/product_documents/84/843201/4KLoTorqueGraph.jpg)
- [User Manual](https://documents.mrosupply.com/product_documents/88/887021/21180.pdf)

## Product's reviews:
- Great prices and great service - I continue to use MRO for various production parts I need. They beat the competition hands down. And the delivery is timely.
- Great service - Provide great pricing, accurate order processing, and timely delivery. I recommend MRO for your electronic needs.
- None - all good