PRODUCT DESCRIPTION
SCHNEIDER ELECTRIC 18818 - Auxiliary Contact Block
This component is an auxiliary contact block from the SCHNEIDER ELECTRIC TeSys D series, engineered for front mounting onto compatible TeSys D contactors and motor starters. It provides supplementary electromechanical switching contacts for control circuits, enabling advanced interlocking, signaling, and feedback functionalities within industrial automation systems. This device is critical for enhancing the control logic of motor control centers, machinery, and power distribution applications.
Technical Specifications:
- SERIES/FAMILY: TeSys D
- COMPONENT TYPE: Auxiliary Contact Block
- ELECTRICAL SPECS:
- CONTACT CONFIGURATION: 1 Normally Open (NO) + 1 Normally Closed (NC)
- RATED OPERATIONAL CURRENT (AC-15): 10A at 24-690V
- RATED OPERATIONAL CURRENT (DC-13): 10A at 24V, 2.5A at 48V, 1A at 125V
- RATED INSULATION VOLTAGE (Ui): 690V (IEC 60947-5-1)
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 6kV
- MECHANICAL/PHYSICAL:
- MOUNTING TYPE: Front-mounted
- TERMINALS: Screw clamp terminals
- INTERFACE/CONTROL:
- FUNCTION: Provides supplementary control contacts for interlocking and signaling
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (IEC 60529)
- OPERATING TEMPERATURE: -5°C to +60°C
- STORAGE TEMPERATURE: -60°C to +80°C
- COMPATIBILITY/APPLICATION:
- COMPATIBLE CONTACTORS: SCHNEIDER ELECTRIC TeSys D series (e.g., LC1D contactors)
- TYPICAL APPLICATIONS: Motor control circuits, interlocking systems, status indication, safety circuits, industrial control panels