Transient Voltage Surge Suppressors-BT 3L PBM120 385V 2P
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Type
BT 3L PBM120 385V 2P
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Art.-No.
840100X
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Features
1. Surge arresters for class I single-phase TN system.
2. Max. Discharge current up to 120kA 8/20us.
3. Built-in circuit breaker, prewired with SPD, easy for installation.
4. Can inspect the SPD operation window, suitable for indoor application.
5. Green indicates normal and red light indicates fault for operation.
6. Impulse counter function, recording the lightning events.
7. External wiring terminal, easy for connection.
8. Mode of protection: L-PE; N-PE.
9. Suitable for single phase 220V/230V/240V AC system compatible.
Transient Voltage Surge Suppressors are designed to control brief voltage spikes that occur within electrical power systems. Installed at power entry locations or distribution panels, they limit transient overvoltage before it reaches downstream circuits. These devices remain active during normal power flow and support stable electrical conditions during switching actions, lightning-related disturbances, or utility irregularities. Their structure suits common panel configurations and supports ongoing operation in residential and light-load environments. By reducing exposure to short-duration voltage surges, they help protect wiring, control components, and power-sensitive equipment across connected electrical systems.
Features
1. Transient Overvoltage Limiting: Restrains short-duration voltage spikes before circuit distribution.2. Distribution-Level Installation: Designed for placement at power entry points or panel locations.
3. Fast Electrical Response: Reacts immediately when transient voltage events occur.
4. Defined Voltage Control Range: Keeps surge levels within preset electrical thresholds.
5. Continuous Protection State: Remains active during normal system operation.
6. Panel-Compatible Structure: Fits standard electrical enclosures without layout modification.
Advantages
1. Circuit Stress Reduction: Lowers transient voltage impact on protected circuits.2. Equipment Exposure Control: Reduces surge contact with connected devices.
3. Centralized Voltage Management: Protects multiple downstream circuits from one point.
4. Stable Electrical Conditions: Supports controlled voltage during power disturbances.
5. Repeated Surge Handling: Suitable for environments with frequent transient activity.
6. Long-Term System Support: Designed for continuous use within distribution systems.
Applications
1. Electrical Distribution Panels: Core locations for transient voltage control.2. Power Entry Sections: Limits overvoltage before circuit branching.
3. Residential Electrical Systems: Protects household wiring and connected equipment.
4. Control Panel Circuits: Supports stable voltage for control components.
5. Light-Load Power Networks: Suitable for moderate electrical demand environments.
6. Electrical Upgrade Projects: Adds transient voltage protection during system updates.
Technical Data
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