Here is the data sheet for LED luminaires equivalent to 250 watts conventional as extracted from the document:

### LED Luminaires Equivalent to 250 Watts Conventional

**General Specifications: **
- **Power Capacity: ** Equivalent to 125, 250, and 400 watts conventional sodium or metal halide lamp luminaires.
- **Energy Saving: ** Not less than 50%.
- **Installation Compatibility: ** Compatible with existing pole arms; Side entry cut-off type for arms of 60mm diameter.

**Housing and Durability: **
- **Material: ** Injection molded die-cast corrosion-resistant aluminum alloy.
- **Finish: ** Electro-coating paint finish, covered with high reflective material of solar radiation.
- **Thickness: ** Not less than 2mm.
- **Heat Management: ** Integrated heat sink to prevent dust, sand, water, and dirt accumulation.
- **Protection: ** Design to prevent build-up of water and dust; Exposed heat sink fins oriented for water runoff.

**Lighting Distribution: **
- **Illumination: ** Homogeneous with wide range and high uniformity; Side intensity not less than 70% of center intensity.
- **Efficiency: ** Lighting efficacy not less than 100 lumens per watt.
- **Operational Life: ** Components designed to maintain at least 75% efficiency after 50, 000 hours at ambient temperature of 55°C.

**Thermal Management: **
- **Technology: ** Designed for high efficiency and long lifetime.
- **Junction Temperature: ** Maximum of 105°C; Junction to ambient thermal resistance of 15°C/Watt or less.

**Control Gear (Electronic Control Gear or AC-DC Convertor): **
- **Input Voltage: ** 160V ~ 240V.
- **Temperature Resistance: ** Can withstand high temperatures up to 80°C under the sun.
- **Stability and Protection: ** High stability, thermal dissipation, and includes protection circuits (noise, voltage instability, over-voltage, over-current, high temperature).

**Physical Installation Specifications: **
- **Pole Height: ** 10-12 meters.
- **Spacing: ** To achieve average illumination not less than 14 lux with a uniformity ratio of 40% or better.
- **Outreach Arm: ** 0.5-1 meter with a tilting angle of 10-15 degrees.
- **Pole Position: ** 1 meter from the edge of the curbstone.
- **Street Width: ** 9 meters each way with 4 meters central reservation.

**Maintenance and Reliability: **
- **Maintenance: ** Free maintenance design.
- **Warranty: ** 18 months after delivery.
- **Total Harmonic Distortion: ** Must not exceed 10% at the point of connection to the network.
- **Power Factor: ** Not less than 0.90.

**Accessories and Wiring: **
- **Internal Wiring: ** High heat resistance as per IEC standards.
- **Protection Degree: ** Not less than IP66 (dustproof and waterproof).
- **Vandal Proofing: ** Minimum IK08 rating according to IEC 62262.

**Environmental and Safety Standards: **
- **Electromagnetic Interference: ** Circuits should not emit electromagnetic waves to avoid interference with neighboring communications devices.

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