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. 891-4449
Mfr. Part No.2622K5
BrandVCC
PHP299.60
Each
units
Wire Terminal - - 105 → 125 V ac - 17.53 mm -
RS Stock No. 105-039
BrandRS PRO
PHP58.598
Each (In a Pack of 10)
units
BA9s T10 Orange 220/250 V 4.5 mA 28 mm 50000h
RS Stock No. 891-3787
Mfr. Part No.2112A5
BrandVCC
PHP203.418
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 42.42 mm -
RS Stock No. 891-4049
Mfr. Part No.2151A3
BrandVCC
PHP181.473
Each (In a Pack of 10)
units
Wire Terminal - Amber 208 → 250 V ac - 44.45 mm -
RS Stock No. 891-3765
Mfr. Part No.2150QA4
BrandVCC
PHP204.897
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 41.91 mm -
RS Stock No. 891-4566
Mfr. Part No.2120A4
BrandVCC
PHP157.862
Each (In a Pack of 500)
units
Wire Terminal - - 105 → 125 V ac - 42.42 mm -
RS Stock No. 891-3796
Mfr. Part No.2110QA1
BrandVCC
PHP194.703
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 42.67 mm -
RS Stock No. 891-4768
Mfr. Part No.2620K1
BrandVCC
PHP213.068
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 17.53 mm -
RS Stock No. 411-2135
Mfr. Part No.3SB3901-1DA
BrandSiemens
PHP564.90
Each
units
- - - - - - -
RS Stock No. 891-3803
Mfr. Part No.2110QA2
BrandVCC
PHP194.469
Each (In a Pack of 10)
units
Wire Terminal - - 105 → 125 V ac - 42.67 mm -
RS Stock No. 891-4051
Mfr. Part No.2153A5
BrandVCC
PHP292.60
Each
units
Wire Terminal - Green 208 → 250 V ac - 44.45 mm -
RS Stock No. 891-3752
Mfr. Part No.2150A4
BrandVCC
PHP173.225
Each (In a Pack of 10)
units
Wire Terminal - White 105 → 125 V ac - 44.45 mm -
RS Stock No. 890-5906
Mfr. Part No.2112AX5
BrandVCC
PHP203.44
Each (In a Pack of 500)
units
Wire Terminal - - 105 → 125 V ac - 42.42 mm -
RS Stock No. 891-3783
Mfr. Part No.2110A2
BrandVCC
PHP178.905
Each (In a Pack of 10)
units
Wire Terminal - Clear 105 → 125 V ac - 42.42 mm -
RS Stock No. 104-755
BrandRS PRO
PHP45.368
Each (In a Pack of 10)
units
BA9s T10 Red 100/125 V ac/dc 2.5 mA 28 mm 50000h
RS Stock No. 891-3759
Mfr. Part No.2152A5
BrandVCC
PHP292.60
Each
units
Wire Terminal - Green 105 → 125 V ac - 44.45 mm -
RS Stock No. 655-9334
BrandRS PRO
PHP50.898
Each (In a Pack of 10)
units
BA9 10.3 mm Orange 220/250 V 1.8 mA 30 mm 50000h
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