SKU: 27859928962

B3K0-0503-3H | Micron 3.0kVA ImperviTRAN Transformer — PRI: 240x480V, SEC: 120x240V

$380.25 $422.50
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Description

B3K0-0503-3H | Micron 3.0kVA ImperviTRAN Transformer — PRI: 240x480V, SEC: 120x240VRequest a Quote for B3K0 0503 3H Micron B3K0 0503 3H 3. 0kVA ImperviTRAN Control Transformer The Micron B3K0 0503 3H is a 3. 0kVA ImperviTRAN epoxy encapsulated control transformer. Primary: 240x480V. Secondary: 120x240V. Single phase, 50 60Hz. Features Micron's legendary epoxy encapsulation for superior moisture and contaminant resistance. UL cUL Listed. Backed by Micron's industry leading 20 year warranty. Made in the USA. B3K0 0503 3H

⚡ Request a Quote for B3K0-0503-3H

Micron B3K0-0503-3H — 3.0kVA ImperviTRAN Control Transformer

The Micron B3K0-0503-3H is a 3.0kVA ImperviTRAN epoxy-encapsulated control transformer. Primary: 240x480V. Secondary: 120x240V. Single-phase, 50/60Hz. Features Micron's legendary epoxy encapsulation for superior moisture and contaminant resistance. UL/cUL Listed. Backed by Micron's industry-leading 20-year warranty. Made in the USA.

📋 B3K0-0503-3H Specifications

Part Number B3K0-0503-3H
Manufacturer Micron Industries Corporation
Series ImperviTRAN
VA Rating 3.0kVA
Full Load Amps 26.09/13.04A
Primary Voltage 240x480V
Secondary Voltage 120x240V
Voltage Group Group K
Phase / Freq Single Phase, 50/60Hz
Construction Epoxy Encapsulated
Approx. Weight 69.0 lbs
Certifications UL/cUL Listed (File #E46323)
Warranty 20-Year Manufacturer Warranty

🔄 Cross-Reference & Alternatives

The B3K0-0503-3H replaces comparable 3.0kVA control transformers with 240x480V primary and 120x240V secondary from Hammond Power Solutions, Sola, Acme, Jefferson, Eaton, Square D, Schneider Electric, Siemens, Allen-Bradley. Contact us for an exact cross-reference.

❓ FAQ

What does the B3K0-0503-3H replace?
Any 3.0kVA control transformer with 240x480V primary/120x240V secondary from Hammond (HPS), Sola, Acme, Jefferson, Eaton, Square D/Schneider, Siemens, or Allen-Bradley.

Why choose Micron over Hammond or Acme?
Micron's epoxy encapsulation provides superior environmental protection vs. standard varnish-dipped transformers, plus a 20-year warranty — the longest in the industry.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 27859928962

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4.3 ★★★★★
Based on 9 reviews
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Product Reviews
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Verified Purchase
kaykay
San Leandro, US
★★★★★ 5
Reliable and lasts forever Best budget option
Style: Combo, Color: Black, Size: 1 Pack, Style: Combo, Color: Black, Size: 1 Pack
I had this same model a long time ago and it lasted forever, I only had to get a new one because I lost the USB receiver, so I know for a fact they are very durable. For the price, you can't beat the compatibility you just plug it in and it works instantly. The appearance is very simple, it's not the most attractive or pretty keyboard since it has no lighting or fancy features, but it's built to last. The noise level is fine for a membrane keyboard, not too loud. In terms of ergonomics, it feels comfortable enough for daily work and the color is just the standard black that goes with everything. The best part is the battery life, it lasts months without needing a change.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
S
Verified Purchase
SandyLK
Chelsea, US
★★★★★ 5
Very comfortable to use
Style: Combo, Color: Rose, Size: 1 Pack
This is a nice keyboard/mouse for the money. I ordered it in pink because it will help me to keep it separate from others I have. I have a tendency to forget which mouse goes with which keyboard. The color makes all the difference. In addition this works well and has a light up indicator for the caps lock which my older one does not. That was annoying to look up and see that everything was in caps by mistake. Good product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026
E
Verified Purchase
Em
New York, US
★★★★★ 5
Works great, very happy with it!
Style: Combo, Color: Black, Size: 1 Pack
I really like this keyboard and mouse combo! It arrived in perfect condition and works exactly like it should. Setting it up was incredibly easy- you just plug in the little USB receiver and you are ready to go. ​The keyboard is comfortable to type on, the mouse is smooth, and the wireless connection has been flawless. If you need a reliable, no-nonsense setup for daily use, this is a great choice. Highly recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2026
L
Verified Purchase
Larry G.
Natrona Heights, US
★★★★★ 5
Keyboard and Mouse
Style: Combo, Color: Black, Size: 1 Pack
Great items. Fast delivery. Easy to use and very handy. Great gift idea.
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Reviewed in the United States on May 18, 2026
N
Verified Purchase
Nicole
Port Orchard, US
★★★★★ 4
Perfect, Budget‑Friendly Combo
Style: Combo, Color: Black, Size: 1 Pack
The Logitech MK270 Wireless Keyboard and Mouse Combo for Windows, 2.4 GHz Wireless is a great, cost‑effective set of everyday desktop accessories. It connects easily with a single USB‑A dongle, gives you a full‑size keyboard with a number pad and media keys, and includes a compact, comfortable mouse that works smoothly for typing and browsing. Battery life is excellent (keyboard and mouse both last many months), and the 2.4 GHz wireless connection stays stable without noticeable lag, so it’s reliable for office work, school, or casual home use. Overall, it’s a simple, plug‑and‑play wireless combo that delivers solid performance at a very reasonable price.
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Reviewed in the United States on April 12, 2026

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