Luminescent lamps

LB and LD series lamps are low-pressure luminescent lamps. They are designed for illumination of enclosed spaces as well as for outdoor use. These lamps work in 50 Hz AC 127-220 V electrical mains, to which they are to be connected using the appropriate starting regulators. Lamp-base type - G13.

This low-pressure luminescent type of lamp is represented by a cylindrical glass bulb, the internal surface of which is coated with luminophore. Cathode stems are sealed in on both ends. The main source of optical radiation in this group of lamps comes from a layer of fluorescent material (luminophore) that is excited by the ultraviolet radiation of the mercury vapor's electric discharge. These lamps have a few times more intensive luminous efficiency in comparison to incandescent lamps.

The marking:
L - luminescent lamp; B - white light; D - daylight; U - universal. Construction:
1 - straight tube; 2 - U-tube.

Denomination	Power, W	Current, A	Voltage, V	Overall dimensions, mm			Luminous flux, lumen	Service life, hours	Const.
Denomination	Power, W	Current, A	Voltage, V	D	L₁	L	Luminous flux, lumen	Service life, hours	Const.
LD-18	18	0.37	57	26	604	589.8	880	12,000	1
LB-18	18	0.37	57	26	604	589.8	1060	12,000	1
LD-20	20	0.37	57	38	604	589.8	880	12,000	1
LB-20	20	0.37	57	38	604	589.8	1060	12,000	1
LD-36	36	0.43	103	26	1213.6	1199.4	2300	12,000	1
LB-36	36	0.43	103	26	1213.6	1199.4	2800	12,000	1
LD-40	40	0.43	103	38	1213.6	1199.4	2300	12,000	1
LB-40	40	0.43	103	38	1213.6	1199.4	2800	12,000	1
LD-65	65	0.67	110	38	1514.2	1500	3750	12,000	1
LB-65	65	0.67	110	38	1514.2	1500	4600	12,000	1
LD-80	80	0.87	99	38	1514.2	1500	4250	12,000	1
LB-80	80	0.87	99	38	1514.2	1500	5200	12,000	1

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