Metal Oxide Varistor Surge Protection -BT 3L BM200/275 1+N
-
Type
BT 3L BM200/275 1+N
-
Art.-No.
840300X
-
Features
1. Surge arresters for class I single-phase TT/TN system.
2. Max. Discharge current up to 200kA 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-N; N-PE.
9. Suitable for single phase 220V/230V/240V AC system compatible.
Metal Oxide Varistor Surge Protection is designed to control transient overvoltage in electrical systems using nonlinear resistance behavior. Under normal voltage conditions, the varistor remains inactive. When voltage exceeds its threshold, resistance changes rapidly to divert surge energy away from protected circuits. This protection method is widely applied at power inputs, distribution points, and equipment interfaces. The device supports stable electrical operation by limiting surge amplitude caused by lightning or switching events. Its compact structure allows integration into panels and devices where space is limited while maintaining continuous readiness during normal system operation.
Features
1. Nonlinear Voltage Limiting: Adjusts resistance instantly when voltage exceeds preset levels.2. Fast Overvoltage Clamping: Restricts surge amplitude during transient voltage events.
3. Passive Standby State: Remains inactive during normal voltage conditions.
4. Compact Protection Element: Suitable for installation in panels and equipment enclosures.
5. Repeated Surge Endurance: Supports multiple surge events within rated limits.
6. AC and DC Circuit Support: Applicable to various power and control circuits.
Advantages
1. Component Voltage Stress Reduction: Lowers electrical impact on sensitive parts.2. Circuit Protection Support: Helps reduce surge-related damage within wiring systems.
3. Entry-Level Overvoltage Control: Manages abnormal voltage near power interfaces.
4. Stable System Operation: Supports consistent voltage conditions during disturbances.
5. Suitable for Long-Term Use: Designed for repeated transient voltage exposure.
6. Simple Electrical Integration: Fits into existing layouts without structural changes.
Applications
1. Power Distribution Panels: Surge control for incoming and outgoing circuits.2. Electrical Equipment Inputs: Protects devices connected to external power sources.
3. Control and Automation Systems: Used in control cabinets and signal interfaces.
4. Industrial Power Lines: Suitable for systems exposed to switching surge.
5. Communication Power Interfaces: Supports protection of power and signal lines.
6. Electrical System Expansion: Adds overvoltage protection during system upgrades.
Technical Data
Product Showcase
Start Your Project
-
3 Years Warranty -
Free Customized Design
-
Welcome OEM and ODM Service
-
CE RoHS CB KEMA TUV Certificates
-
Surge Protecetive Device（SPD）Factory
-
30+ Years Surge Protector SPD Experiences
