Neon Indicator Lamps

Neon indicator lamps (also called pilot lights) are lights used on some electrical equipment to indicate that electrical power is available or that the device is working. Light-emitting diodes (LEDs) are often used as an alternative. They generally have a long life, low current drain and are resistant to shock and vibration.

How do neon indicator lamps work?

Neon indicator lamps are designed with two electrodes within a small glass case. Two tin plated wires extend out of the lamp to make electrical connections to the electrodes. These lamps are filled with either a neon and argon gas mixture, with neon gas used entirely for high brightness lamps. When a voltage is applied, the gas ionizes, allowing a small current to travel from one electrode to the other. Once this has happened, a lower voltage maintains the operation of the lamp.

What are the different types of neon indicator lamps?

Neon indicator lamps are designed in different colours and with varying brightness levels. They are available in different lengths, voltages and current ratings.


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Description Price Lamp Base Lamp Size Light Colour Voltage Rating Current Rating Length Life Hours
RS Stock No. 891-3796
Mfr. Part No.2110QA1
BrandVCC
HK$21.676
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 42.67 mm -
RS Stock No. 891-4067
Mfr. Part No.2111A3
BrandVCC
HK$21.375
Each (In a Pack of 10)
units
Wire Terminal - - 208 → 250 V ac - 42.42 mm -
RS Stock No. 891-3799
Mfr. Part No.2110QA3
BrandVCC
HK$21.676
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 42.67 mm -
RS Stock No. 891-4569
Mfr. Part No.2120A1
BrandVCC
HK$21.171
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 42.42 mm -
RS Stock No. 891-3743
Mfr. Part No.2150A3
BrandVCC
HK$19.375
Each (In a Pack of 10)
units
Wire Terminal - Amber 105 → 125 V ac - 44.45 mm -
RS Stock No. 891-3783
Mfr. Part No.2110A2
BrandVCC
HK$26.733
Each (In a Pack of 10)
units
Wire Terminal - Clear 105 → 125 V ac - 42.42 mm -
RS Stock No. 891-4070
Mfr. Part No.2113A6
BrandVCC
HK$28.074
Each (In a Pack of 10)
units
Wire Terminal - - 208 → 250 V ac - 42.42 mm -
RS Stock No. 891-4077
Mfr. Part No.2151QA3
BrandVCC
HK$20.88
Each (In a Pack of 10)
units
Wire Terminal - - 208 → 250 V ac - 41.91 mm -
RS Stock No. 891-4768
Mfr. Part No.2620K1
BrandVCC
HK$22.06
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 17.53 mm -
RS Stock No. 890-5919
Mfr. Part No.2620QK1
BrandVCC
HK$29.233
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 17.53 mm -
RS Stock No. 891-4086
Mfr. Part No.2153QA5
BrandVCC
HK$37.82
Each
units
Wire Terminal - - 208 → 250 V ac - 41.91 mm -
RS Stock No. 891-3749
Mfr. Part No.2150A1
BrandVCC
HK$19.399
Each (In a Pack of 10)
units
Wire Terminal - Red 105 → 125 V ac - 44.45 mm -
RS Stock No. 891-4562
Mfr. Part No.2120A3
BrandVCC
HK$19.946
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 42.42 mm -
RS Stock No. 891-3752
Mfr. Part No.2150A4
BrandVCC
HK$19.399
Each (In a Pack of 10)
units
Wire Terminal - White 105 → 125 V ac - 44.45 mm -
RS Stock No. 890-5900
Mfr. Part No.2110AX3
BrandVCC
HK$23.303
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 42.42 mm -
RS Stock No. 891-3765
Mfr. Part No.2150QA4
BrandVCC
HK$20.909
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 41.91 mm -
RS Stock No. 891-3759
Mfr. Part No.2152A5
BrandVCC
HK$34.14
Each
units
Wire Terminal - Green 105 → 125 V ac - 44.45 mm -
RS Stock No. 891-4443
Mfr. Part No.2620QK3
BrandVCC
HK$24.795
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 17.53 mm -
RS Stock No. 891-4064
Mfr. Part No.2111A1
BrandVCC
HK$26.733
Each (In a Pack of 10)
units
Wire Terminal - - 208 → 250 V ac - 42.42 mm -
RS Stock No. 891-3780
Mfr. Part No.2110A4
BrandVCC
HK$26.733
Each (In a Pack of 10)
units
Wire Terminal - White 105 → 125 V ac - 42.42 mm -