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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 W2.1x9.5d Wedge Base Lamp with a T3-1/4 tubular shape. It operates at 28V AC and produces white light. The bulb carries Trade Number 657 and Manufacturer Part Number 657-10PK.

SKU 3G-OTH-386087

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
657-10PK
Type
Glass Wedge (W2.1x9.5d), (T) Tubular, T3-1/4, 657
Voltage
28V AC
Bulb Shape
T3-1/4
Light Color
White
Trade Number
657
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APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Incandescent Bulb is a W2.1x9.5d Wedge Base Lamp with a T3-1/4 tubular shape. It operates at 28V AC and produces white light. The bulb carries Trade Number 657 and Manufacturer Part Number 657-10PK.

Frequently Asked Questions

What is the APPROVED VENDOR 657-10PK incandescent bulb used for?

This T3-1/4 tubular incandescent bulb with a W2.1x9.5d wedge base is used for indicator lighting, panel illumination, and small appliance applications where a compact, reliable 28V AC white light source is required.

What are the specifications of the APPROVED VENDOR 657-10PK bulb?

The bulb is a T3-1/4 tubular shape with a glass wedge W2.1x9.5d base. It operates at 28V AC, produces white light, and carries Trade Number 657. The manufacturer part number is 657-10PK.

Where to buy the APPROVED VENDOR 657-10PK bulb worldwide?

3G Electric supplies the APPROVED VENDOR 657-10PK incandescent bulb worldwide. We handle full logistics, customs clearance, and delivery to your facility, ensuring you receive the correct 28V AC wedge base lamp for your application.

How to install a W2.1x9.5d wedge base bulb like the 657?

To install a W2.1x9.5d wedge base bulb, simply push the glass wedge into the socket until it locks. Ensure power is off and the bulb is rated for your circuit voltage (28V AC for this model). Avoid touching the glass with bare hands to prevent oil contamination.

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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