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RS PRO T1 1/4 Bi-Pin Indicator Lamp Clear Lens 28V 40mA 1000h 104-985

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RS PRO T1 1/4 Bi-Pin Indicator Lamp Clear Lens 28V 40mA 1000h 104-985

Name: RS PRO T1 1/4 Bi-Pin Indicator Lamp Clear Lens 28V 40mA 1000h 104-985
Brand: RS PRO
SKU: 140597

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Category Incandescent Light Bulbs Brand RS PRO Condition New

Specifications

Country of Origin	Korea
Voltage	28V
Diameter	4.14mm
Brand	RS PRO
Current	40mA
Length	20.35mm
Model	104-985
Lifespan	1000h
Sub Type	Indicator Lamp
Standards/Approvals	RoHS
Lamp Base/Socket	BI-Pin
Lamp Designation	T1 1/4
Body colour coding	White (6V), Yellow (12V), Green (24V), 14V and 28V colour coding not applicable
RS PRO BI-Pin Indicator Light, Clear, 24V, 35mA, 7500 hBrand	RS PRO
T1 1/4-4mm bi-pin filament lamp,28VBrand	NEUTRAL

Key Features

The lamp base is a bi-pin type suitable for compact installations.
Rated lifespan is approximately 1000 hours under specified operating conditions.
Diameter measures 4.14mm and length is 20.35mm providing a compact form factor.
Produces luminous power of 4 lumens for clear visibility.
RoHS certified ensuring environmentally compliant manufacturing.
Colour coding is not applicable at 28V as per body color standards.
Ideal for meters, switches, and other control panel applications requiring indicator lighting.
Designed for optimal performance with stabilized 50Hz AC supply within ambient temperatures of 20 to 25°C.

Product Description

RS PRO 104-985 is a T1 1/4 (4mm) bi-pin filament indicator lamp with a clear lens, operating at 28 volts and 40 milliamperes current rating. It offers a lifespan of 1000 hours, making it suitable for prolonged use in electrical and electronic devices where compact indicator lighting is essential.

This lamp type is specifically intended for illumination in confined spaces such as meters, switches, and control panels where a visible indicator is required. The bi-pin base provides easy installation in tight locations.

The lamp has a diameter of 4.14mm and an overall length of 20.35mm, making it compact and versatile for various applications. It produces a luminous power output of 4 lumens, sufficient for clear visibility in indicator roles.

Manufactured under RoHS compliance, this lamp ensures adherence to environmental standards. Colour coding for body differs by voltage rating, with 28V lamps having no specific colour coding applied.

Optimal performance is achieved when powered from a stabilized 50Hz AC supply, operating within ambient temperatures of 20 to 25°C, and free from mechanical vibration. Deviations from these conditions may reduce lamp life, particularly for low current filaments.

This product is made in Korea, Republic Of, exemplifying quality manufacturing standards. The lamp base is a bi-pin type suitable for compact installations. Provides clear lens illumination for indicator applications. Long lifespan of 1000 hours under normal operating conditions.

Compact dimensions enable use in confined spaces. Complies with RoHS environmental standards. Designed specifically for use in meters, switches, and control panels. Stable operating performance requires a 50Hz AC power source and controlled ambient temperature.

Made in Korea, Republic Of. Explore a wide range of indicator lamps and lighting solutions at EnvMart to meet your industrial and electronic component needs.

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