The SB-9 is a Master Control Switch – Rotary Switch for Frequent Control of Circuit Breakers, Motors, or Magnetic Switches. The contacts and stages of this switch are similar to the SB-1 switch except the SB-9 switch has a more positive positioning device, better insulation to ground, and more substantial end bearings. The positioning device is located at the rear of the switch.
Features
- UL Recognized
- Standard mounts on panels up to 3/16″ (up to 2″ available)
- Up to 16 stages (32 contacts)
- Up to 12 positions, 360° rotation
- Rated 600 V, 20 A continuous (250 A for 3 seconds)
Application
- The SB-9 master control switches are recommended for applications requiring a large number of repetitive operations with positive positioning on each operation. This switch was designed primarily for use in steel mills, petroleum and chemical plants, and similar heavy industries where thousands of operations with positive positioning are required per week.