Philips Son-T-Light HPS Lamp - 400W for efficient plant lighting

Philips Son-T-Light HPS Lamp Bulb - 400W

Philips Master SonT Agro 400w HPS are the perfect solution for landscape and security applications where lower light levels are desired. Philips high pressure sodium lamps have superb energy savings and low maintenance costs. They also have a very long lamp life and excellent lumen maintenance.

Philips Son-T-Light HPS Lamp - 400W Specifications:

General Characterstics
System Description: External Ignitor
Cap-Base: E40
Bulb: T46 [T 46mm]
Bulb Finish: Clear
Operating Position: any [Any or Universal (U)]
Life to 5% failures: 20500 hr
Life to 10% failures: 24000 hr
Life to 20% failures: 28000 hr
Life to 50% failures: 36000 hr

Light Technical Characterstics
Color Code: 220 [CCT of 2000K]
Color Rendering Index: 25 (max) Ra8
Color Temperature: 2000K
Luminous Flux EM 25°C, Rated: 55800Lm
Lum Efficacy Rated EM 25°C: 137 Lm/W
Lumen Maintenance 2000h: 99%
Lumen Maintenance 4000h: %
Lumen Maintenance 5000h : 96.5%
Lumen Maintenance 12000h: %
Lumen Maintenance 20000h: 88 %

Electrical Characteristics
Lamp Wattage: 400W
Lamp Wattage EM 25°C, Nominal: 400.0W
Lamp Wattage EM 25°C, Rated: 400.0W
Voltage: 230V
Lamp Voltage: 100V
Lamp Current EM: 4.5A
Ignition Time: 10 (max) s
Run-up time 90%: 5 (max) min
Re-ignition Time [sec] 120 (max) s