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. 891-3755
Mfr. Part No.2150A2
BrandVCC
HK$19.375
Each (In a Pack of 10)
units
Wire Terminal - Clear 105 → 125 V ac - 44.45 mm -
RS Stock No. 891-4049
Mfr. Part No.2151A3
BrandVCC
HK$19.375
Each (In a Pack of 10)
units
Wire Terminal - Amber 208 → 250 V ac - 44.45 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. 891-3806
Mfr. Part No.2112QA5
BrandVCC
HK$35.08
Each
units
Wire Terminal - - 105 → 125 V ac - 42.67 mm -
RS Stock No. 891-4452
Mfr. Part No.2620QK4
BrandVCC
HK$26.10
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 17.53 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. 891-3765
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. 891-4051
Mfr. Part No.2153A5
BrandVCC
HK$34.14
Each
units
Wire Terminal - Green 208 → 250 V ac - 44.45 mm -
RS Stock No. 891-3768
Mfr. Part No.2150QA1
BrandVCC
HK$20.909
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 41.91 mm -
RS Stock No. 891-3777
Mfr. Part No.2110A1
BrandVCC
HK$21.375
Each (In a Pack of 10)
units
Wire Terminal - Red 105 → 125 V ac - 42.42 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. 891-4055
Mfr. Part No.2153A6
BrandVCC
HK$35.94
Each
units
Wire Terminal - Blue 208 → 250 V ac - 44.45 mm -
RS Stock No. 891-3787
Mfr. Part No.2112A5
BrandVCC
HK$30.396
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 42.42 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. 891-4443
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. 891-4073
Mfr. Part No.2151QA1
BrandVCC
HK$20.909
Each (In a Pack of 10)
units
Wire Terminal - - 208 → 250 V ac - 41.91 mm -
RS Stock No. 891-3774
Mfr. Part No.2152QA5
BrandVCC
HK$37.82
Each
units
Wire Terminal - - 105 → 125 V ac - 41.91 mm -
RS Stock No. 890-5906
Mfr. Part No.2112AX5
BrandVCC
HK$24.267
Each (In a Pack of 500)
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 -