SOX 55W-Low Pressure Sodium Lamp-ZHEJIANG ALITE LIGHTING CO., LTD.

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Benefits
• High luminous efficacy leads to low energy consumption
Features
• Uniform sodium distribution in the discharge tube by means of dimples for a
more stable
discharge, higher efficacy and better lumen maintenance and lamp life
• Monochromatic yellow color with non-existent color rendering

Road lighting, railway marshalling yards and crossings, airports, harbours and
docks,
quarries, foundries and rolling mills

Specification

Mercury (Hg) Content (Nom) 0 mg

Cap-Base BY22D

Bulb Temperature (Max) 150 °C

Correlated Color Temperature (Nom) 1800 K

Life To 30% Failures (Nom) 8000 h

Life To 40% Failures (Nom) 10000 h

Life To 8% Failures (Nom) 6000 h

Product name	SOX 35W BY22d	SOX 55W BY22d	SOX 90W BY22d	SOX 135W BY22d
D(Max)	53mm	53mm	66mm	66mm
C(Max)	311mm	425mm	525mm	765mm
Energy Consumption kWh/1000h	40kWh	61kWh	100kWh	148kWh
Energy Efficiency Label(EFL)	A+	A++	A++	A++
Lamp Current (Nom)	0.53 A	0.51 A	0.82 A	0.82 A
Voltage (Nom)	70 V	109 V	112 V	164 V
Power (Rated) (Nom)	37 W/(±3W)	56.0 W (±3W)	91.0(±3 W)	135.0(±3 W)
Operating Position	H110	H110	P20	P20
Lumen Maintenance 2000h (Nom)	95%	98%	95%	95%
Lumen Maintenance 5000 h (Nom)	90%	90%	90%	90%
Luminous Efficacy (rated) (Nom)	129 lm/W	140 lm/W	150 lm/W	167 lm/W
Luminous Flux (Nom)	4500 lm	7800 lm	13600 lm	22600 lm
Bulb Shape	T53	T53	T66	T66