The Allen-Bradley 1489-AAHS3 Series A Signal and Auxiliary Switch (5VDC) is an industrial accessory module designed to provide reliable auxiliary and signal contact feedback for miniature circuit breakers and protection devices. It is used to indicate breaker status (such as ON/OFF or TRIPPED conditions) and to provide low-voltage control signals to PLCs, monitoring systems, or alarm circuits. This allows operators and automation systems to remotely verify electrical system status and integrate breaker conditions into control logic for improved safety and diagnostics.
This module is typically mounted directly onto compatible Allen-Bradley 1489 series circuit protection devices and operates as a mechanical linkage-based switch that changes contact state when the breaker operates. Rated for low-voltage control applications such as 5VDC signaling, it is commonly used in industrial control panels, electrical distribution systems, automation equipment, and machine safety circuits. Its compact design and dependable switching performance make it ideal for system monitoring, status indication, and integration into modern industrial automation architectures.
Key Features:
- Auxiliary and signal contact switch module
- Provides breaker status indication
- Designed for Allen-Bradley 1489 series devices
- Low-voltage 5VDC signal compatibility
- Mechanical linkage operation for reliable switching
- Compact DIN-mounted accessory design
- Integrates with PLC and control systems
Specifications:
- Brand: Allen-Bradley
- Model: 1489-AAHS3
- Series: A
- Type: Signal and Auxiliary Switch Module
- Voltage: 5VDC (signal/control applications)
- Function: Auxiliary contact / status monitoring
- Mounting: Direct mount to compatible breaker
Applications:
- Industrial control panels
- Circuit breaker status monitoring
- PLC input signaling systems
- Machine safety and control circuits
- Electrical distribution systems
- Automation and remote monitoring systems
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