Description
ABB 1SDA053999R1
Technical Specifications:
- Compatibility: Designed specifically for ABB molded case circuit breakers (MCCBs).
- Function Type: Shunt trip, under-voltage release, or motor mechanism (exact function defined by specific catalog).
- Control Voltage: Standard control voltages matching industrial automation standards.
- Response Time: Fast-acting mechanical release for immediate circuit interruption.
Functional Features:
- Remote Control: Enables remote tripping or closing of the circuit breaker from a central control panel.
- Safety Integration: Provides critical fault isolation in response to fire alarms or emergency stop signals.
- Status Feedback: Integrates with auxiliary switches to report breaker position to SCADA systems.
- Plug-and-Play: Tool-less or minimal-tool installation directly onto the breaker frame.
Application Scenarios:
- Emergency power disconnects in industrial facilities.
- Remote load shedding during peak demand periods.
- Automated bus-tie switching in redundant power distribution systems.
Material Composition & Structural Characteristics:
- Mechanism: High-strength steel linkages and springs for reliable mechanical actuation.
- Coils: Precision-wound electromagnetic coils with thermal protection.
- Housing: Insulated, flame-retardant composite materials.
Working Principle:
The accessory receives a control signal (voltage pulse) which energizes an internal solenoid or motor. This mechanical energy is transferred through a linkage system to physically actuate the circuit breaker’s trip or close mechanism, overriding or assisting the manual operating handle.
Installation Requirements:
- Breaker State: The circuit breaker must be in the OFF position before installing the accessory.
- Mounting: Slide the accessory onto the designated side slot of the circuit breaker until it clicks securely into place.
- Wiring: Connect control wires to the accessory terminals, ensuring proper strain relief.
Usage Precautions:
- Verification: Always perform a manual and electrical test after installation to verify proper mechanical linkage.
- Voltage Check: Confirm the control voltage matches the accessory rating before applying power.
- Maintenance: Do not lubricate the mechanical linkage; keep the mechanism clean and dry.
