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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RS Stock No. 655-9407
BrandRS PRO
PHP19.61
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RS Stock No. 655-9457
BrandRS PRO
PHP50.656
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RS Stock No. 105-017
BrandRS PRO
PHP15.642
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RS Stock No. 655-9429
BrandRS PRO
PHP88.636
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RS Stock No. 106-385
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RS Stock No. 891-4562
Mfr. Part No.2120A3
BrandVCC
PHP194.314
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RS Stock No. 891-3793
Mfr. Part No.2110QA4
BrandVCC
PHP161.163
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Mfr. Part No.2150A3
BrandVCC
PHP155.652
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RS Stock No. 104-711
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PHP80.387
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RS Stock No. 106-414
BrandRS PRO
PHP58.598
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Mfr. Part No.3SX1731
BrandSiemens
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RS Stock No. 891-3799
Mfr. Part No.2110QA3
BrandVCC
PHP168.40
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RS Stock No. 106-420
BrandRS PRO
PHP88.636
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RS Stock No. 891-3755
Mfr. Part No.2150A2
BrandVCC
PHP173.225
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RS Stock No. 891-4777
Mfr. Part No.2620K3
BrandVCC
PHP213.068
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RS Stock No. 630-0176
Mfr. Part No.BN-2-1-R
BrandSato Parts
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RS Stock No. 790-3044
Mfr. Part No.8350
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RS Stock No. 655-9441
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