Transient Voltage Surge Suppressor TVSS -BT 4L PBM120 385V 2P-2+N
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Type
BT 4L PBM120 385V 2P-2+N
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Art.-No.
840001
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Features
1. Surge arresters for class I two-phase TT/TNsystem.
2. Max. Discharge current up to 120kA 8/20us.
3. Built-in circuit breaker, prewired with SPD.
4. All wires (phase line to neutral line, phase line to ground, neutral line to ground full protection model).
5. Full protection design, able handle part of lightning current, protection equipment can continue normal operation.
6. Green indicates normal and red light indicates fault for operation.
7. Impulse counter function, recording the lightning events.
8. External wiring terminal, easy for connection, suitable for indoor application.
Transient Voltage Surge Suppressor TVSS is designed to control short-duration voltage spikes that occur within electrical power systems. Installed at distribution panels or power entry points, it limits transient overvoltage before it reaches branch circuits and connected equipment. This product supports stable electrical conditions during switching events, lightning-related disturbances, or utility power irregularities. Its structure suits common panel layouts and remains active during normal power flow. By managing transient voltage levels, TVSS helps reduce electrical stress on wiring, control devices, and power-sensitive equipment across residential and light-load electrical systems.
Features
1. Transient Voltage Control: Limits short-duration voltage spikes before they spread through circuits.2. Panel-Level Installation: Designed for placement inside distribution panels or power entry sections.
3. Fast Electrical Reaction: Responds immediately to transient overvoltage events.
4. Defined Voltage Limiting Range: Keeps surge voltage within preset safety thresholds.
5. Continuous Protection State: Remains active during everyday electrical operation.
6. Compact Panel Structure: Fits standard electrical enclosures without layout changes.
Advantages
1. Circuit Stress Reduction: Helps lower transient voltage impact on protected circuits.2. Equipment Protection Support: Reduces surge exposure for connected electrical devices.
3. Panel-Centered Coverage: Protects multiple downstream circuits from one installation point.
4. Stable Electrical Conditions: Supports controlled voltage levels during power disturbances.
5. Suitable for Repeated Events: Designed for environments with frequent transient activity.
6. Long-Term Panel Use: Fits continuous operation within electrical distribution systems.
Applications
1. Electrical Distribution Panels: Core location for transient voltage suppression.2. Power Entry Points: Controls surge voltage before circuit distribution.
3. Residential Electrical Systems: Protects household circuits and connected devices.
4. Control and Automation Panels: Supports stable voltage for control components.
5. Light-Load Power Systems: Suitable for moderate electrical demand environments.
6. Electrical Upgrade Projects: Adds transient voltage control during system updates.
Technical Data
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