FLB Series Explosionproof Circuit Breakers
FLB Circuit Breakers are used:
- For service entrance, feeder or branch circuit protection for lighting, heating, appliance and motor circuits
- To provide disconnect means, short circuit protection and thermal time delay overload protection
- Indoors or outdoors at petroleum refineries, chemical and petrochemical plants and other process industry facilities where similar hazards exist
| Frame Sizes | 100 or 225A |
| Number of Poles | 1; 2; 3 |
| Enclosure Hub Sizes | 3/4"; 1"; 1 1/2"; 1 1/4"; 2 1/2"; 3" |
| Circuit Breaker Amperages | 15; 20; 30; 40; 50; 70; 90; 100; 125; 150; 175; 200; 225A |
| Body, Cover, and Operating Handle Material | Copper-free aluminum |
| Operating Shaft Material | Stainless steel |
| Interior Parts Material | Sheet steel |
| Available Options | Lugs for neutral connections; breather/drains; auxiliary switches |
Features
- Semi-cylindrical body shape for maximum strength at lowest practical weight
- Round threaded covers at each end, set at an angle to provide ready access to interior for ease of wiring
- Breaker is operated by an external handle which can be padlocked in either "ON" or "OFF" positions; breaker is trip-free of the handle and will open under short circuit or overload even if the handle is locked in the "ON" position
- Bodies have vertical through feed conduit hubs of sizes given in the listings
