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What is 5 pairs over-voltage protection magazine used for?
DESCRIPTIONS
5 pairs over-voltage protection magazine (TP-1503-5) is used for MDF disconnection block 71, which forms the protection circuit for the protection of exchange room equipments and personnel against over voltage, for mainly as follows:
- The surge voltage caused by lightning on or around the outside lines.
- The short-time AC voltage inducted on external lines, when the power line, the power system or the electric railway system is broken down in the neighborhood of the outside line.
- The outside line directly collides against a 220 V power line.
The housing of the magazine is flame retardant, high temperature resistance and aging resistance. It is 5 pair modular design magazine.
MAIN FEATURES
- Modular 5 Pair Design: The magazine is structured to accommodate five pairs in a modular format, allowing flexible integration into MDF disconnection block 71 systems. This design simplifies expansion and ensures efficient use of available space.
- Easy Installations: Engineered for quick and straightforward mounting, the unit minimizes installation time and does not require special tools, making it highly convenient for field technicians.
- Maintenance Free: Built with durable materials and a robust structure, the protection magazine operates reliably without the need for regular servicing, reducing long-term operational costs.
- Graded 3 Point Protection: The inclusion of a graded three-point protection system ensures multi-level defense against over-voltage, enhancing reliability and safeguarding sensitive telecommunication circuits.
- Fail Safe (FS) Function: Designed with a fail-safe mechanism, the device provides an added layer of security by defaulting to a protective state under fault conditions, preventing network damage.
- Fast Response Time: The over-voltage protection responds rapidly to electrical surges, minimizing exposure time and reducing the likelihood of circuit failure or equipment damage.
- High Current Rating: Capable of withstanding high surge currents, the magazine ensures consistent performance even during significant transient events, maintaining system stability.
- High Insulation Resistance: The unit offers excellent insulation resistance, which reduces leakage currents and ensures reliable electrical isolation between contacts, improving long-term safety.
INSTALLATION VIDEOS
SCHEMATIC DIAGRAMS

ILLUSTRATION PICTURES


PACKING PICTURES


ORDER DATA
Item No |
Descriptions |
TP-1503-5 |
5 pairs over-voltage protection magazine for MDF disconnection block 71 #TP-1401-100, with 2-pole GDT arrester |
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