s1 s2  

 

Compatible with

metal-halidemercury-vaporfluorescent-re

 

Recommended Areas

Public Areas
Street Lighting

 

How to choose the device


Select the device by the current of the lighting system in each circuit. For example, in a streetlight, there are 5 of HID 400W lamps per circuit. HID400W consumes 4.5 Amp. Therefore, 5 lamps equal to 22.5 Amp. All in all, we choose 30 amp model [PSJP-30], or we can choose ‘one to one’ model [PSJMC-400].

 

Type of lamp Watt Amp per lamp
FL 18W 0.37 Amp
36W 0.45 Amp
HID 70W 1 Amp
100W 1.2 Amp
150W 1.8 Amp
250W 3 Amp
400W 4.5 Amp
1000W 10 Amp
2000W 20 Amp

 

The device is suitable for use

 

power_controller_501PSJP-10 / 20 / 30 module_power_controller_501PSJMD-35 / 60 / 80 micro-power-wirelessPSJMC-RF-250 / 400 / 1000 micro_501PSJMC-250 / 400 / 1000

 

The table shows the calculation of electricity

 

Type of lamp High Pressure Mercury Lamp or Mercury Vapor (MV)
High Pressure Sodium (HPS)
Metal Halide (MH)
Quantity of lamp 1 lamp
Month 12 months
Average working time 30 days
Average working hours per day 12 hours
Electricity rates 4 baht per unit

 

Type of lamp HPS / MH / MV
250W
HPS / MH / MV
4000W
HPS / MH / MV
1000W
Ballast Loss (W) 50 80 200
Electricity per year (Baht) in proportion to usage
Energy used (kW.Hr) 100% 4,838.40 8,294.40 20,736.00
Energy used (kW.Hr; 80% 3,870.72 6635.52 12,317.18
Energy used 3,386.88 5,806.08 10,777.54
Energy used 2,903.04 4,976.64 9,237.89
Energy used 2,419.20 4,147.20 7,698.24
Savings per year (Baht)
Energy used (kW.Hr)    100% 0.00 0.00 0.00
Energy used (kW.Hr)      80% 967.68 1,658.88 8,418.82
Energy used (kW.Hr)      70% 1,451.52 2,488.32 9,958.46
Energy used (kW.Hr)      60% 1,935.36 3,317.76 11,498.11
Energy used (kW.Hr)      50% 2,419.20 4,147.20 13,037.76


Example: Street lighting in one of university in Thailand

 

Type of Lamps High Pressure Sodium 250W
Number of Lamps 892 lamps
Operating Hours 12 hours per day
Devices ‘one to one’ model 250W [PSJMC-250]
Electricity charged before installation 4,688,352.00 baht
Electricity charged after installation 2,578,593.60 baht
Electricity charged savings per year 2,109,758.40 baht
Investment budget 5,753,400.00 baht
Break-Even 2.73 year