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APPROVED VENDOR Incandescent Bulb: Incandescent, Glass Wedge (W2.1x9.5d), (T) Tubular, T3-1/4 - W2.1x9.5d Wedge Base Lamps
APPROVED VENDORW2.1x9.5d Wedge Base Lamps

APPROVED VENDOR Incandescent Bulb: Incandescent, Glass Wedge (W2.1x9.5d), (T) Tubular, T3-1/4

The APPROVED VENDOR Incandescent Bulb is a T3-1/4 tubular wedge base lamp with a W2.1x9.5d base, operating at 14V AC. It produces white light and carries the trade number 193 (manufacturer part number 21U537).

SKU 3G-OTH-386072

Brand
APPROVED VENDOR
Item
Incandescent Bulb: Incandescent, Glass Wedge
Category
W2.1x9.5d Wedge Base Lamps
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
21U537
Type
Glass Wedge (W2.1x9.5d), (T) Tubular, T3-1/4, 193
Voltage
14V AC
Bulb Shape
T3-1/4
Light Color
White
Trade Number
193
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APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Incandescent Bulb is a T3-1/4 tubular wedge base lamp with a W2.1x9.5d base, operating at 14V AC. It produces white light and carries the trade number 193 (manufacturer part number 21U537).

Frequently Asked Questions

What is the APPROVED VENDOR 21U537 incandescent bulb used for?

The APPROVED VENDOR 21U537 is a T3-1/4 tubular wedge base lamp used for indicator lighting, panel illumination, and small appliance applications. Its 14V AC rating and W2.1x9.5d base make it suitable for automotive, marine, and industrial control panels where a compact white light source is needed.

What are the specifications of the APPROVED VENDOR 21U537 bulb?

The APPROVED VENDOR 21U537 is an incandescent bulb with a glass wedge W2.1x9.5d base, T3-1/4 tubular shape, 14V AC operating voltage, white light color, and trade number 193. It is manufactured under part number 21U537 and is designed for reliable low-voltage illumination.

Where to buy the APPROVED VENDOR 21U537 bulb worldwide?

You can source the APPROVED VENDOR 21U537 bulb through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this item.

How to select the correct wedge base lamp for replacement?

To select the correct wedge base lamp, match the base type (W2.1x9.5d), voltage (14V AC), bulb shape (T3-1/4), and trade number (193) to your existing fixture. The APPROVED VENDOR 21U537 meets these specs. Always verify the original part number before ordering to ensure compatibility.

Used in

Common applications for APPROVED VENDOR
Laboratory sampling — APPROVED VENDOR clear wide mouth glass bottles for collecting and storing liquid samples in non-sterile environments.
Steam heating maintenance — APPROVED VENDOR forged brass radiator valves for regulating steam flow in commercial building heating systems.
High-pressure cleaning — APPROVED VENDOR turbo spray nozzles for pressure washers used in industrial equipment cleaning up to 6,000 psi.
Cleanroom operations — APPROVED VENDOR vinyl task chairs for seating in ISO 5 classified manufacturing or assembly areas.
General sealing — APPROVED VENDOR natural rubber stoppers for closing laboratory flasks or test tubes in educational or research settings.
Tamper-evident security — APPROVED VENDOR brass lead and wire seals for securing utility meters, cargo containers, or access panels.

APPROVED VENDOR Products

3G Electric supplies APPROVED VENDOR w2.1x9.5d wedge base lamps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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