The QNA1 Relay is a high-performance AC immune, DC neutral, tractive armature relay specifically designed for railway signaling applications. It ensures fail-safe operation in critical railway circuits and provides AC immunity up to 1600V AC RMS at 50Hz. This relay is widely used in track circuits, interlocking, and repeater circuits, ensuring accurate and reliable railway signaling. Built with high-quality materials, it meets BRS 931A series railway standards, making it ideal for long-term stability in railway infrastructure. Its compact and durable design, along with multiple contact arrangements, makes it a preferred choice for railway safety and automation.

Key Features:

● AC Immunized Relay – Effectively prevents AC interference for stable DC operation.
● Fail-Safe Design – Ensures reliable switching for railway signaling systems.
● Tractive Armature Mechanism – Provides high mechanical strength and durability.
● Multiple Contact Configuration – Features 8F/8B contacts for diverse applications.
● RDSO & BRS-931A Compliant – Designed as per Indian railway signaling standards.
● Easy Installation – Includes plug board, connectors, and retaining clips.
● Long Service Life – Ensures consistent performance in railway interlocking systems.

It's Uses:

● Railway Interlocking Systems – Ensures safe and smooth train movement control.
● AC Immunized Relay Circuits – Used where AC interference is a concern.
● Track Circuit Applications – Helps in accurate train detection and signaling.
● Safety-Critical Railway Automation – Supports reliable control and fail-safe operation.