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APPROVED VENDOR Incandescent Bulb: Incandescent, Telephone Slide No. 5, T2, 28PSB, 28V AC - Telephone Slide #5 Base Lamps
APPROVED VENDORTelephone Slide #5 Base Lamps

APPROVED VENDOR Incandescent Bulb: Incandescent, Telephone Slide No. 5, T2, 28PSB, 28V AC

The APPROVED VENDOR Incandescent Bulb is a Telephone Slide #5 Base Lamp with a T2 bulb shape and a trade number of 28PSB. It operates at 28V AC and produces white light. This incandescent bulb is identified by…

SKU 3G-OTH-392800

Brand
APPROVED VENDOR
Item
Incandescent Bulb: Incandescent, Telephone Slide No. 5, T2, 28PSB, 28V AC
Category
Telephone Slide #5 Base Lamps
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
21U507
Type
Telephone Slide No. 5, T2, 28PSB, White
AC
28V
Voltage
28V AC
Bulb Shape
T2
Light Color
White
Trade Number
28PSB
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APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Incandescent Bulb is a Telephone Slide #5 Base Lamp with a T2 bulb shape and a trade number of 28PSB. It operates at 28V AC and produces white light. This incandescent bulb is identified by manufacturer part number 21U507.

Frequently Asked Questions

What is the APPROVED VENDOR 21U507 incandescent bulb used for?

The APPROVED VENDOR 21U507 is a Telephone Slide #5 base lamp used as a replacement indicator bulb in telephone switchboard panels, test equipment, and industrial control consoles that require a 28V AC white light source.

What are the specifications of the APPROVED VENDOR 21U507 bulb?

The APPROVED VENDOR 21U507 is a T2-shaped incandescent bulb with a Telephone Slide No. 5 base, trade number 28PSB, operating at 28V AC. It produces white light and is identified by manufacturer part number 21U507.

Where to buy the APPROVED VENDOR 21U507 bulb worldwide?

3G Electric supplies the APPROVED VENDOR 21U507 incandescent bulb worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility, ensuring you receive the correct Telephone Slide #5 base lamp.

How to select the correct replacement for a Telephone Slide #5 base lamp?

To select the correct replacement, match the trade number (28PSB), voltage (28V AC), bulb shape (T2), and base type (Telephone Slide No. 5). The APPROVED VENDOR 21U507 meets these criteria. Always verify the original part number before ordering.

Used in

Common applications for APPROVED VENDOR
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APPROVED VENDOR Products

3G Electric supplies APPROVED VENDOR telephone slide #5 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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