FAQ for LY21-1RJ11 TELEPHONE SURGE PROTECTIVE DEVICE
1. What are RJ11 telephone surge protective devices designed for?
RJ11 surge protective devices are designed to protect telephone and low-speed communication lines from lightning surges and induced transient overvoltage.
2. What applications require RJ11 surge protection?
They are commonly used in telephone lines, PBX systems, intercoms, alarm systems, and analog communication networks.
3. Do RJ11 SPDs affect voice quality?
No. These devices are engineered with low insertion loss, ensuring clear voice transmission without noise or interruption.
4. What protection components are typically used in RJ11 SPDs?
Most RJ11 surge protectors use GDT-based protection, offering high surge discharge capacity for telecom environments.
5. Where should RJ11 surge protective devices be installed?
They should be installed in series with the telephone line, as close as possible to the protected equipment.
6. Are these telephone SPDs compliant with international standards?
Yes. All RJ11 surge protective devices are manufactured according to IEC 61643-21 / EN 61643-21 and meet CE requirements.
7. Can these products be supplied in bulk or OEM branding?
Yes. We support OEM/ODM production, private labeling, and factory-direct wholesale supply.
