LED SIGNAL UNIT for Calling On as per RDSO/SPN/ 153/2023 or latest

This LED Signal Unit is designed for "Calling On" applications in Indian Railways and manufactured in compliance with RDSO/SPN/153/2023 or latest specifications. Built with high-intensity, energy-efficient LEDs and a robust weatherproof housing, it ensures clear visibility and reliable performance under harsh environmental conditions. This unit is engineered to be highly durable, low-maintenance, and compatible with existing signaling systems. Ideal for improving railway signal reliability and reducing operational downtime, it’s perfect for both new installations and upgrades. Its long service life and low power consumption make it a sustainable choice for modern railway networks.

Key Features:

• As per RDSO/SPN/153/2023 (latest)
• White LED for calling-on aspect
• Low-luminance signal to differentiate from main aspects
• Phantom-free display for high contrast
• Built-in fail-safe current regulator
• UV-stabilized polycarbonate lens with high durability
• IP65-rated housing for outdoor use
• Works in RE and non-RE areas
• Compatible with SSI and relay systems
• Compact design for standard signal enclosures

Its Uses:

• Installed at railway stations and yards for “Calling On” signal operations
• Enhances visibility and safety in low-visibility or emergency conditions
• Used in both mainline and metro railway signaling systems
• Suitable for modern signal upgrading and replacement