OEM Approved Vendor 657-10PK T3-1/4 Wedge Base Incandescent Lamp, 28V AC
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
Also listed as: 65710PK · 657 10PK
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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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.
OEM Products
3G Electric supplies OEM 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.