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511
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We source brand-new parts via original manufacturers, franchised distributors or verified independent channels, with incoming inspection. Channel type is confirmed on your quote.

Contact sales or email [email protected] with MPN and quantity. We reply with stock, ETA and reference pricing — confirm before PO.

Reference price and stock shown as of 2026-09-20. Confirm live availability and unit price via RFQ before placing a PO.

511

VARIABLE TRANSFORMER 140V 5A
Staco Energy Products Co. · Equipment - Variable Transformers · BOM Matching
Mfr. Part Number
511
Manufacturer
Staco Energy Products Co.
Datasheet
Datasheet
Description
VARIABLE TRANSFORMER 140V 5A
RoHS Status
Lead Free / RoHS Complaint
Availability
Sourcing — Lead time quoted on request (often 3–15 business days by channel)
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511
Staco Energy Products Co.
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In Stock5,979
Unit
Price
$271.0
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Reference Price
QuantityPrice
1$ 271.0000
Prices are for reference only. The final transaction is subject to confirmation.
As of 2026-09-20 · Valid as reference until 2026-09-27 · Request RFQ for live stock.
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Specification Summary

Voltage - Output
120VAC, 140VAC
Voltage - Supply
120VAC
Constant Current Load - Max
5A (0.7kVA)
Input Type
Terminals
Output Type
Terminals
Size
4.160" L x 3.940" W x 2.380" H (105.66mm x 100.08mm x 60.45mm)
Type
Panel Mount
Full specifications are listed below. Need alternates or BOM matching? Read BOM guide · Request a quote
Stock status: Sourcing — Lead time quoted on request (often 3–15 business days by channel)
Shortage / allocation / EOL lines may need longer — ask via RFQ.
Reference price and stock shown as of 2026-09-20. Confirm live availability and unit price via RFQ before placing a PO.
Lead time FAQ Authenticity FAQ MOQ FAQ
Specifications
Product Description
Purchase & Inquiry
Output Type
Terminals
Constant Current Load - Max
5A (0.7kVA)
Size
4.160" L x 3.940" W x 2.380" H (105.66mm x 100.08mm x 60.45mm)
Type
Panel Mount
Input Type
Terminals
Voltage - Output
120VAC, 140VAC
Voltage - Supply
120VAC
VARIABLE TRANSFORMER 140V 5A
Brand Introduction

Staco Energy Products Co. is the oldest and largest manufacturer of variable transformers in the United States. Since 1937, Staco Energy Products has been a pioneer in design and construction of both standard and specialized variable transformers, AC voltage control, sophisticated power conditioners and UPS equipment.

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Buying FAQ — 511

Answer-first notes for stock, authenticity, lead time and quoting. Marked up as FAQPage.

How do I buy 511 from Yingxinyuan?

Open RFQ with quantity and target date, or upload a BOM that includes 511. We reply with stock, channel note, reference price and ETA.

Is the listed price final?

Prices on the product page are reference only. Confirm unit price, currency and validity via RFQ before placing a PO.

How fresh is the stock figure?

Stock and reference price show an as-of date on the page. Ask for a live confirm — allocation lines can change daily.

How do you source authentic parts?

We source from manufacturers, franchised distributors and verified independents, then inspect incoming lots. See /anti-counterfeit/.

What is a typical lead time?

In-stock lines often ship within 24–48 hours after confirmation. Sourcing / allocation ETAs are quoted per line — see /lead-time-shipping/.
BOM matching · Anti-counterfeit · Lead time & shipping

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