Ditek DTK-4LVXR Telephone & Intercom Surge Protector

Multi-Circuit Surge Protector for Telephone and Intercom Entry Systems

The Ditek DTK-4LVXR Surge Protector provides professional-grade surge protection for residential gate and telephone entry systems. Designed to protect up to four critical low-voltage circuits - including power, release, and two telephone lines - it safeguards access control and intercom systems from electrical surges caused by lightning or power fluctuations. Compact and easy to install, it ensures reliable performance and long-term protection for communication and control equipment.

Key Features

• Multi-circuit protection – Safeguards power, door release, and two telephone lines
• Single grounding point – Simplifies installation and ensures balanced surge protection
• Automatic reset design – Recovers instantly after multiple surge events
• 5,000A surge current capacity for robust protection
• Compact ABS enclosure rated for indoor or protected outdoor use
• Compatible with residential and light commercial entry systems

Technical Specifications

• Model: DTK-4LVXR
• Service Voltage (Power): 12V or 24V
• Service Voltage (Door Release): 24V
• MCOV (Power): 33V
• MCOV (Door Release): 33V
• MCOV (Telco): 140V
• Clamping Voltage (Power): 39V
• Clamping Voltage (Door Release): 39V
• Clamping Voltage (Telco): 155V
• Protection Modes: Differential (L-L) and Common (L-G)
• Surge Current Rating: 5,000A
• Max Continuous Current: 5A
• Connection Method: Hardwired terminals (30–12 AWG)
• Housing Material: ABS
• Operating Temperature: -40°F to 158°F (-40°C to 70°C)
• Humidity: 95% non-condensing
• Dimensions: 3.30" L × 1.55" W × 1.10" H
• Weight: 2.6 oz (68 g)

Conclusion

The Ditek DTK-4LVXR is a compact, high-performance surge protector purpose-built for telephone and intercom entry systems. Providing reliable protection for power, release, and communication lines, it ensures system uptime and longevity for residential gate and access control applications.