APC Varistor Surge Suppressor Module 110-240V LAD4VU

The APC Varistor Surge Suppressor Module LAD4VU is a high-performance transient overvoltage protection device designed for industrial control and motor control applications. It provides reliable protection against voltage spikes, ensuring the longevity and safe operation of connected equipment.

Advantages

This varistor module offers rapid response time of less than 25 ns, effectively clamping overvoltages to safe levels. With an energy absorption capacity of 100 J and peak surge current rating of 1.5 kA, it delivers robust protection for sensitive control circuits. Its compact plug-in design allows for easy front mounting directly onto compatible contactors, simplifying installation and maintenance.

Suitable for

• Industrial control panels
• Motor control centers
• Automation systems
• Protection of TeSys D and TeSys K contactors

Key specifications

• Product Type: Varistor Surge Suppressor Module
• Rated Operating Voltage: 110-240 V AC/DC
• Energy Absorption Capacity: 100 J (for 2 ms)
• Peak Surge Current: 1.5 kA (8/20 µs waveform)
• Response Time: < 25 ns
• Compatibility: TeSys D (LC1D09-LC1D150) & TeSys K (LP1K, LP4K) Contactors
• Mounting Type: Direct Plug-in (Front Mounting)
• Protection Technology: Varistor
• Operating Temperature Range: -25 to 50 °C
• Storage Temperature Range: -40 to 80 °C
• Degree of Protection: IP20 (when mounted)
• Standards & Certifications: IEC 60947-5-1, UL, CSA, CCC

Recommendations

For optimal protection, install this varistor module directly onto the contactor as per manufacturer guidelines. Ensure the operating voltage matches your system requirements. This module is a critical component for safeguarding industrial control circuits against transient overvoltages.