Ditek DTK-DR48B Din Rail Surge Protector 48V 2-pair

Product Description

The DITEK DTK-DR48B is a DIN rail-mounted surge protector designed for 2-pair, 48-volt signal and data circuits commonly found in fire alarm and life safety systems. The unit clips directly onto standard DIN rail inside a control panel enclosure, providing transient voltage surge suppression without requiring additional mounting hardware. Rated for 48V circuits, it protects low-voltage wiring runs from voltage spikes caused by lightning, switching transients, and power induction. Fire alarm technicians and low-voltage contractors install this device during new construction and retrofit projects to safeguard panel communication and signaling circuits.

The DTK-DR48B is suited for fire alarm control panels, notification appliance circuits, and similar 48-volt low-voltage signaling applications in commercial and residential installations. It is sized for 2-pair wiring configurations and mounts inside the system enclosure on standard DIN rail, keeping the installation clean and organized within the panel cabinet. The compact form factor makes it practical in space-limited enclosures where inline or hardwire-only protection is not preferred.

Key Features

• Designed for 48V 2-pair signal and data circuit protection
• DIN rail mounting for clean, tool-minimal installation inside panel enclosures
• Suppresses transient voltage spikes from lightning and switching events
• Compact form factor suited for space-limited fire alarm control panel cabinets
• Sold as a single unit for targeted circuit-level surge protection

Compatibility

Designed as an OEM-style surge protection device for 48-volt 2-pair low-voltage signaling circuits, including fire alarm and life safety system applications that use standard DIN rail panel mounting.

Installation Notes

Installation should be performed by a licensed low-voltage or fire alarm contractor in accordance with NFPA 72 and local authority having jurisdiction requirements. De-energize the fire alarm control panel and follow lockout/tagout procedures before connecting or disconnecting any wiring. Secure the device firmly on DIN rail before terminating circuit conductors. Do not install on circuits whose operating voltage exceeds the rated 48V limit of this device.