Selector Switch 3 Pos. | DB2-BD33
Selector Switch 3 Pos. | DB2-BD33
Blog Article
The Selector Switch 3-Position (DB2-BD33) is a rotary switch commonly used in industrial control panels for mode selection, manual/auto switching, or circuit control. Here’s a detailed breakdown:
Key Specifications:
Model: DB2-BD33
Series: Likely part of the Omron DB Series or similar industrial-grade switches.
Positions: 3-Position (e.g., ON-OFF-ON, LEFT-OFF-RIGHT, or other configurations).
Contact Configuration:
BD33 typically indicates Break-Before-Make (BBM) contacts for safe switching.
2NO + 2NC (common configuration, but verify datasheet).
Electrical Ratings:
Voltage: 250V AC/DC (standard).
Current: 5A–10A resistive load.
Mechanical Design:
Rotary knob (key-operated or standard).
Dust/water resistance (IP65 common).
Panel-mount (22mm or 30mm cutout).
Wiring & Functionality:
Terminals: Screw or spring-clamp terminals.
Position Logic:
Position 1: Circuit A active (e.g., Manual Mode).
Position 2: Neutral/Off.
Position 3: Circuit B active (e.g., Auto Mode).
Standards & Certifications:
IEC 60947-5-1 (Low-voltage switches).
CE/UL Listed (varies by manufacturer).
Common Applications:
Motor control (Forward/Stop/Reverse).
Mode selection (Manual/Auto/Test).
Lighting control.
Similar Models:
Omron DB2E-BD33 (Explosion-proof variant).
Siemens 3SU1 / 3SB3 Series.
**Schneider Electric Harmony XB5).
Installation Notes:
Ensure correct contact configuration (BD33 = Break-Before-Make).
Verify load ratings for inductive vs. resistive loads.https://store.unigulfsupply.com/product/selector-switch-db2-bd33/